Bulletin 1494D Fixed-Depth Flange-Mounted Circuit Breakers

Product Overview

Cat. No. 1494D-N4 and Cat. No. 1494D-N40 (Circuit Breaker Not Included. Auxiliary Contact and Adapter Kit Must be Ordered Separately)

Bulletin 1494D — Fixed-Depth Flange-Mounted
Circuit Breaker Operating Mechanism

Industrial rated circuit breaker operating mechansim pre-assembled on a mounting bracket for use in flange constructed enclosures.
Circuit breaker operating mechanisms for use with Cutler-Hammer circuit breakers in a fixed depth enclosure.

• 3-pole, 600V AC rating
  
• 150…1200 A frame sizes
  
• Accessories — Field installed
  
• Can be used with enclosure Types 1, 12
  
• Lockable handle
  
• Available only for right-hand flange operation
  

Standards Compliance and Certifications

Standards Compliance

UL 508
CSA C22.2, No. 14

Certifications

UL Recognized (File No. E3125, Guide No. NLDX2)
CSA Certified (File No. LR1234)

Product Selection

Build a Catalog Number

Circuit Breaker Operating Mechanism

The device is complete, and includes a handle, operating mechanism, and slide/bail mechanism all pre-assembled on a mounting bracket.

3-Pole Circuit Breaker★			Operator	Slide or Bail
Brand	Frame Size [A]	Frame Designation	Cat. No.	Cat. No.
Cutler-Hammer	150	EHD, FD, FDB, FDC, HFD, HMCP	1494D-N4	1494D-N40
	250	JD, JDB, JDC, HJD, HMCP	1494D-N5	1494D-N50
	400	KD, KDB, KDC, HKD, HMCP		1494D-N60
	600	LD, HLD, LDC, LA, HLA, LC, HLC	1494D-N3	1494D-N31
	800	MA, MDL, HMDL, HMA, MC, ND, HND, NDC		1494D-N41
	1200	NB Tri-Pac		1494D-N41T
	1200	ND, HND, NDC, NB, HNB, NC, HNC		1494D-N43
★ Circuit breakers to be provided by customer.

Accessories

		Description		For Use With	Cat. No.
		Auxiliary Contacts	1 N.O. Contact	1494C, 1494F, 1494V, and 1494G (30…400 A) Disconnect Switches 1494D, 1494V★  (125…400 A Frame) Circuit Breakers	1495-N8
			1 N.O. Contact (low-level switching)		1495-N8X
			1 N.C. Contact		1495-N9
			1 N.C. Contact (low-level switching)		1495-N9X
		Auxiliary Contacts (600 A Disconnect Switch only)	1 N.O. Contact	1494C, 1494G, and 1494V Disconnect Switches 600 A only	595-A
Cat. No. 595-A	Cat. No. 595-B		1 N.C. Contact		595-B
		Auxiliary Contact Adapter Kit For Disconnect Switches	600 A		‡	595-N1
Cat. No. 595-N1
		Auxiliary Contact Adapter Kit For Disconnect Switches with Left-Hand Mechanism	30…100 A Disconnect Switch	1494V Disconnect Switch with Left-Hand Mechanism, 30…100 A	‡	1495-N24
Cat. No. 1495-N24			200…400 A Disconnect Switch	1494V Disconnect Switch with Left-Hand Mechanism, 200…400 A	‡	1495-N25
		Auxiliary Contact Adapter Kit For Circuit Breakers	125 A and 150 A Frame Allen‑Bradley, Cutler-Hammer	1494D, 1494V Circuit Breakers	‡	1495-N21
			250 A, 400 A Frame Allen‑Bradley, Cutler-Hammer	1494V Circuit Breaker	‡	1495-N23
			250 A Frame Allen-Bradley, Cutler-Hammer	1494D Circuit Breaker	‡	1495-N22
			400 A Frame Allen-Bradley, Cutler-Hammer	1494D Circuit Breaker	‡	1495-N16
Cat. No. 1495-N21	Cat. No. 1495-N23		600 A, 800 A, 1200 A Frame Cutler-Hammer	1494D Circuit Breaker	‡	1495-N13
		Auxiliary Contacts	1 N.O. Contact	1494R Disconnect Switch 30 A, 60 A	895-A1
			1 N.C. Contact		895-B1
			1 N.O. and 1 N.C. Contact		895-C1
		Auxiliary Contact Adapter Kit for 1 contact			895-M11
Cat. No. 895-A1	Cat. No. 895-M11	Auxiliary Contact Adapter Kit for 2 contacts			895-M12
		Auxiliary Contacts	1 N.O. Contact	1494R Disconnect Switch 100 A, 200 A	895-A2
			1 N.C. Contact		895-B2
			1 N.O. and 1 N.C. Contact		895-C2
		Auxiliary Contact Adapter Kit for 1 contact			895-M21
Cat. No. 895-A2	Cat. No. 895-M21	Auxiliary Contact Adapter Kit for 2 contacts			895-M22
		Electrical Interlocks	1 N.O. and 1 N.C. — early make/break	1494C, 1494G & 1494V Disconnect Switches with Left-/Right-Hand Mechanism, 30…100 A & Right-Hand Mechanism, 600 A	§	1495-N34
			2 N.O. and 2 N.C. — early make/break		§	1495-N35
			1 N.O. and 1 N.C. — early make/break	1494C, 1494G, & 1494V Disconnect Switch with Right-Hand Mechanism, 200 A, 400 A	1495-N43
			2 N.O. and 2 N.C. — early make/break		1495-N44
			1 N.O. and 1 N.C. — early make/break	1494C and 1494V Disconnect Switch with Left-Hand Mechanism, 30…100 A	1495-N37
Cat. No. 1495-N34			2 N.O. and 2 N.C. — early make/break		1495-N38
			1 N.O. and 1 N.C. — early make/break	1494V Disconnect Switch with Left-Hand Mechanism, 200 A	1495-N39
			2 N.O. and 2 N.C. — early make/break		1495-N40
			1 N.O. and 1 N.C. — early make/break	1494V Disconnect Switch with Left-Hand Mechanism, 400 A	1495-N41
			2 N.O. and 2 N.C. — early make/break		1495-N42
			10 A DPDT – early break (for 30 A, Type 1 & 3R only)	1494H Safety Switch	1495-N77
			15 A DPDT – early break (for 30 A, Type 12) 15 A DPDT – early break (for all 60 A, 100 A, & 200 A, Type 1, 3R, and 12)		1495-N78
Cat. No. 1495-N35		Electrical Interlock Adapter Kit	600 A Disconnect Switch	1494C, 1494G, 1494V Disconnect Switch	1495-N36
★ Requires an adapter kit on new installations.			‡ One adapter kit enables up to two auxiliary contacts to be installed.
§ Additional adapter kit (Cat. No. 1495-N36) required for installation on 600 A switch.

	Description			For Use With	Cat. No.
	Lug Connectors (3 per package)			1494C, 1494F, 1494G, and 1494V Disconnect Switches
	Disconnect Size [A]	Wire Size
	30	#14…8 AWG Wire			★
	60	#14…4 AWG Wire			♣	1494R-N1
	100	#8…1/0 AWG Wire			♣	1494R-N2
	200	#6…4/0 AWG Wire			♣	1494R-N3
		#6…250 MCM Wire (oversized)			♣	199-LF1
	400	#6…250 MCM AWG 16 mm2…120 mm2			♣	1494R-N14
		#4 AWG…500 MCM Wire (oversized)			♣	1494R-N15
	600	(2) of #1/0…350 MCM Wire			♣	1494R-N10
		(2) of #1/0…350 MCM Wire		1491-N621 or 1491-R621 600 A fuse blocks	∆	1494R-N11
Cat. No. 1494R-N3		(1) of #4…500 MCM Wire			∆	1494R-N12
	Ground Connectors			1494C, 1494F, 1494G, and 1494V Disconnect Switches	599-GR1
	Ground Lug Kits		30…100 A
			200…400 A		599-GR2
			600 A		599-GR3
			30, 60 A	1494H & 1494HL Safety Switches	599-GR4
Cat. No. 599-GR1			100, 200 A		599-GR5
	Neutral Kits 30 A @ 250/600V AC Fusible (Type 1 & 3R)			1494H Safety Switches	599-NK1
	30 A @ 250/600V AC Non-Fusible (Type 1 & 3R)				599-NK2
	30 A @ 250/600V AC Fusible & Non-Fusible (Type 12)				599-NK3
	60 A @ 250/600V AC Fusible & Non-Fusible (Type 1 & 3R)				599-NK4
	60 A @ 250/600V AC Fusible (Type 12)				599-NK5
	60 A @ 250/600V AC Non-Fusible (Type 12)				599-NK6
	100 A @ 250/600V AC Fusible (Type 1 & 3R)				599-NK7
	100 A @ 250/600V AC Non-Fusible (Type 1, 3R, and 12)				599-NK8
	100 A @ 250/600V AC Fusible (Type 12)				599-NK9
	200 A @ 250/600V AC Fusible & Non-Fusible (Type 1 & 3R)				599-NK10
	200 A @ 250/600V AC Fusible & Non-Fusible (Type 12)				599-NK11
	Phase Barrier Kits			1494C, 1494F, 1494G, 1494V
	Disconnect Size [A]
	30, 60				1494F-PH2
	100				1494F-PH3
	200				1494F-PH4
	400				1494F-PH5
★ All terminals of the 30 A switches are furnished with self-lifting pressure plate connectors as standard.
∆ Each kits contains (2) lugs.
♣ Each kit contains (3) lugs.

	Description			For Use With	Cat. No.
	Fuse Clips (6 per package)			1494C, 1494F, 1494G, and 1494V Disconnect Switches
	Fuse Class	Fuse Clip Rating [A]
		250V	600V
	H	30	—		1401-N41
		60	30		1401-N42
		—	60		1401-N43
		100	100		1401-N44
		200	200		1401-N45
		400	400		1401-N46
	J	30	30	1494C, 1494F, 1494G, and 1494V Disconnect Switches	1401-N42
		60	60	1494C, 1494F, 1494G, and 1494V Disconnect Switches	1401-N43
		100	100	1494C, 1494F, 1494G, and 1494V Disconnect Switches	1401-N44
		200	200	1494C, 1494F, 1494G, and 1494V Disconnect Switches	1401-N45
		400	400	1494C, 1494F, 1494G, and 1494V Disconnect Switches	1401-N46
		600	600	1494V-FS600 Fuse Blocks	‡
	R	30	—	1494C, 1494F, 1494G, and 1494V Disconnect Switches	1401-N50
		60	30		1401-N51
		—	60		1401-N52
		100	100		1401-N53
		200	200		1401-N54
		400	400		1401-N55
	H, R	600	600	1491 Fuse Blocks	§
	Class R Fuse Clip Kits 30 A @ 250V AC (Type 1, 3R, 12)			1494H Safety Switches	1401-N70
	30 A @ 600V AC (Type 1, 3R)				1401-N71
	30 A @ 600V AC (Type 12)				1401-N72
	60 A @ 250V AC (Type 1, 3R, 12)				1401-N73
	60 A @ 600V AC (Type 1, 3R, and 12)				1401-N74
	100 A @ 250/600V AC (Type 1 & 3R)				1401-N75
	100 A @ 250/600V AC (Type 12)				1401-N76
	100 A @ 250/600V AC (Type 1 & 3R) 200 A @ 250/600V AC (Type 1, 3R, and 12)				1401-N77
	30 A @ 250V AC (Type 1 & 3R)			1494HL Safety Switches	1401-N78
	60 A @ 250V AC (Type 1 & 3R)				1401-N79
	100 A @ 250V AC (Type 1 & 3R)				1401-N80
	100 A @ 250V AC (Type 1 & 3R) 200 A @ 250V AC (Type 1 & 3R)				1401-N81
§ Included with Bulletin 1491 separate mounted fuse blocks. One fuse block kit per pole required.
‡ Fuse clips not required; fuse bolts directly to terminal.

	Protective Fuse Covers (for use with Bul. 1494C, 1494F, 1494G, and 1494V disconnect switches)
	Switch Rating [A]	Fuse Class	Fuse Clip Rating [A]		Cat. No.
			250V	600V
	30 30 60 30 60 60 100	Non-fusible H, R H, R J J Non-fusible Non-fusible	— 30 60 30 60 — —	— — — 30 60 — —	1495-N64
	30 60 100	H, R H, R J	— — 100	30 60 100	1495-N65
	100 100	H, R J	100 200	100 200	1495-N66
	200 200 200	Non-fusible H, J, R J	— 200 400	— 200 400	◆	1495-N67
	200 200	Non-fusible H, J, R	— 200	— 200	♠	1495-N62
	400 400	Non-fusible H, J, R	— 400	— 400	◆	1495-N68
	400 400	Non-fusible H, J, R	— 400	— 400	♠	1495-N63
	600 600	Non-fusible J	— 600	— 600	◆	1495-N61
	600	H, J, R	600	600	∇	1495-N69
	Protective Line Covers (for use with Bul. 1494C, 1494F, 1494G, and 1494V disconnect switches)
	30, 60, 100	—	—	—	1495-N80
	200	—	—	—	1495-N81
	400	—	—	—	1495-N82
	600	—	—	—	1495-N83
	Terminal Lug Adapter Kit — allows two wires (maximum 8 AWG) to be installed on the line side or load side (for use with Bul. 1494C, 1494F, 1494G, and 1494V disconnect switches)
	30	—	—	—	1494R-N16
	60	—	—	—	1494R-N17
	100	—	—	—	1494R-N18
	200, 400	—	—	—	1494R-N19
◆ Switch with right-hand mechanism.
♠ Switch with left-hand mechanism.
∇ Used with Bulletin 1491-N621and 1491-R621 on Bulletin 1494V/1494C/1494G.

	Description		For Use With	Cat. No.
	Defeater Bracket Extension Kit For use with operating handles that do not align properly with the door catch or door hardware on enclosures with a rolled lip flange construction.		All 1494F and 1494V Handles (except 1494V-R1 and 1494V-R2)	1494V-H12
	Channel Support Kits For use to prevent flexing of the operating handle mounting surface. This is especially useful when the operating handle is mounted on a channel in a multi-door enclosure.		30…200 A Switches Applies only to Operating Handle Cat. Nos. 1494F-P1, M1, and S1.	1494V-H15
	Conduit Hubs (for Type 3R enclosures)★  19.05 mm (3/4 in.) hub	30 A, 60 A, 100 A	1494H Safety Switches	1495-N71
	25.4 mm (1 in.) hub	30 A, 200 A		1495-N72
	31.75 mm (1-1/4 in.) hub	60 A		1495-N73
	38.1 mm (1-1/2 in.) hub	100 A		1495-N74
	50.8 mm (2 in.) hub	—		1495-N75
	63.5 mm (2-1/2 in.) hub	200 A		1495-N76
	Non-Metallic Conduit Connectors 1/2 in. (12.7 mm)	30 A	1494G Disconnect Switches	1490-N1
	3/4 in. (19 mm)	30 A		1490-N9
	1 in. (25.4 mm)	30 A		1490-N10
	1-1/4 in. (31.75 mm)	60 A		1490-N11
	1-1/2 in. (38.1 mm)	100 A		1490-N5
	2 in. (50.8 mm)	200 A		1490-N6
	2-1/2 in. (63.5 mm)	200 A		1490-N7
	3 in. (76.2 mm)	400…600 A		1490-N8
	Grounding Adapters #14…10 AWG, 1/2 in. (12.7 mm)	30 A		1490-N19
	#14…8 AWG, 3/4 in. (19 mm)	30 A		1490-N20
	#14…8 AWG, 1 in. (24.5 mm)	30 A		1490-N21
	#14…4 AWG, 1-1/4 in. (31.8 mm)	60 A		1490-N22
	#8…1/0 AWG, 1-1/2 in. (38.1 mm)	100 A		1490-N23
	#8…1/0 AWG, 2 in. (50.8 mm)	200 A		1490-N24
	#6…2/0 AWG, 2-1/2 in. (63.5 mm)	200 A		1490-N25
	#6…4/0 AWG, 3 in. (76.2 mm)	400…600 A		1490-N26
★ Packaged in quantities of 10.

		Decription	For Use With	Cat. No.♣
		Type 12 Door Hardware Kit Includes: handle, cam, defeater actuator lever, rollers, and shims Enclosure Height less than 40 in. (1016 mm) Top and Side (Right Hand)	1494C, All 1494V	★	1494V-L1
		Top and Side (Left Hand)		★	1494V-LL1
		Enclosure Height 40…60 in. (1016…1524 mm) Top and Side (Right Hand) Bottom		★	1494V-L1
				and 1494V-L2
		Top and Side (Left Hand) Bottom		★	1494V-LL1
Cat. No. 1494V-L1				and 1494V-L2
		Enclosure Height greater than 60 in. (1524 mm) Top, Side, and Bottom (Right Hand)		★	1494V-L3
Cat. No. 1494V-L2	Cat. No. 1494V-L3	Top, Side, and Bottom (Left Hand)		★	1494V-LL3
		Type 12 Door Hardware Kit Includes: Handle, cam, defeater actuator lever, rollers, and shims Enclosure Height less than 30 in. (762 mm) Top and Side (Right Hand)	1494F, 1494D	★	1494F-L1
		Top and Bottom (Right Hand)		★	1494F-L2
		Enclosure Height 30…48 in. (762…1219 mm) Top and Bottom (Right Hand) Side		★	1494F-L2
				and 1494F-L3
Cat. No. 1494F-L2 and 1494F-L3		Enclosure Height greater than 48 in. (1219 mm) Top, Side, and Bottom (Right Hand)	‡	1494F-L4
		Master Door Interlock Kits Interlock kits are designed to provide interlocking between the master and auxiliary doors of the same enclosure and for use with Cat. Nos. 1494F-L4 hardware kits or Cat. No. 1494V-L3 hardware kits. Specify one master door kit and as many auxiliary door kits as necessary (9 maximum). Connecting bars must be supplied by user.	1494C, 1494F, 1494D, 1494V	§	1494F-N20
Cat. No. 1494F-N20		Auxiliary Door Interlock Kit		1494F-N21
★ Door hardware kit does not include rectangular connecting bars (1/4 x 1/2 in.). To be provided by customer.
‡ Door hardware kit does not include rectangular connecting bars (1/4 x 5/8 in.). To be provided by customer.
§ Master door interlock kit does not include rectangular connecting bars (3/8 x 3/8 in.). To be provided by customer.
♣ If the Rockwell Automation door hardware kits are to be installed in a commercially available enclosure, consult the enclosure manufacturer's application data for proper kit selection.

Specifications

Bulletin 1494C, 1494F, 1494G, 1494R, 1494V Disconnect Switches

Disconnect Switch Electrical Ratings
Switch Size			30 A	60 A	100 A	200 A	400 A	600 A
Rated insulation voltage Ui (UL) IEC			(600) 660V
Ratings UL/CSA/NEMA	Hp	230V/60 Hz 460V/60 Hz 575V/60 Hz	7.5 15 20	15 30 50	30 60 75	60 125 150	125 250 350	200 400 500
		250V DC	5	10	20	40	50	50
	Continuous Current	600V AC 250V DC	30	60	100	200	400	600
Ratings IEC Applications	Maximum kW (AC23)	220V/50 Hz 440V/50 Hz 550V/50 Hz	5.5 11 15	11 22 37	22 45 55	48 90 110	90 185 257	150 295 375
Auxiliary Contact Electical Ratings
NEMA/EEMAC			B600, P300
IEC Ratings			Ui    660V		Ith 10 A
			ACII    Ux		12…120V 220…240V 380…400V 500…600V		Ie	6 A 3 A 1.5 A 1.2 A
Low level switching			5 mA @ 12V DC
Mechanical
Degree of protection		Operating handles	Non-metallic Type 1, 3R, 4, 4X, 12, Painted Type 1, 3R, 4, 12 Stainless steel Type 4, 4X
Mechanical life (Typical)			20 000 operations (30…200 A) 10 000 operations (400…600 A)
Switching frequency (operations/hr)			30, 60, 100, and 200 A sizes — 300 max. 400 and 600 A sizes — 240 max.
Environmental
Temperature		Operating	-35…+40 °C (-31…+104 °F)
		Storage	-40…+65 °C (-40…+149 °F)
Altitude (per IEC 947-5)			2000 m per IEC 337-1
Relative Humidity (per IEC 947-3)			90% at 20 °C (68 °F) and 50% at 40 °C (104 °F)
Design Specification/Test Requirements
Dielectric strength			2200V for 1 minute
Electrical life			6000 operations at rated current
Short Circuit Withstand Capability			10 000 A: unfused 10 000 A: with Class H fuses 200 000 A: with Class J or Class R fuses
Construction
Switch body material			Phenolic
Contact material			Copper, tin-plated
Terminals		30 A 60 A 100 A 200 A 400 A 600 A	#10 - 32 screw and self-lifting pressure plate 1/4 in. - 28 screw-lug, copper 5/16 in. - 24 screw-lug, copper 3/8 in. - 24 screw-lug, copper 3/8 in. - 24 screw-lug, copper 1/2 in. - 13 screw-lug, copper
All wire rated 75 °C (167 °F) or higher must be sized per the local Electric Code for 75 °C (167 °F) wire.
Conductor Size (mm2)		30 A 60 A 100 A 200 A 400 A 600 A	#14…8 AWG (1.5…10 mm2) #14…4 AWG (2.5…16 mm2) #8…1/0 AWG (10…50 mm2) #6…4/0 AWG (16…95 mm2) 2 of #1/0 AWG…250 MCM (2 per lug) 2 of 185 mm2…250 MCM or (1) #4 AWG…500 MCM 2 of #1/0 AWG…350 MCM (2 per lug) 2 of 185 mm2…350 MCM or (1) #4 AWG…500 MCM
Recommended Torque		30 A 60 A 100 A 200 A 400 A 600 A	Conductor into Lug 20 lb•in 45 lb•in 150 lb•in 275 lb•in 325 lb•in 325 lb•in			Lug to Terminal 20 lb•in 50 lb•in 90 lb•in 175 lb•in 175 lb•in 275 lb•in
Switches, Mechanisms, and Accessory Kits			Zinc-plated steel, RoHS Compliant finish

Bulletin 1494H, 1494HL Disconnect Switches

Disconnect Switch Electrical Ratings
Switch Size			30 A	60 A	100 A	200 A
Rated insulation voltage Ui (UL) IEC			(600) 660V
Ratings UL/CSA/NEMA	Hp	230V/60 Hz 460V/60 Hz 575V/60 Hz	10 20 30	20 50 60	40 75 100	60 125 150
		250V DC	5	10	20	40
	Continuous Current	600V AC 250V DC	30	60	100	200
Auxiliary Contact Electical Ratings
Continuous Current			10 A	15 A
Pole Configuration			DPDT	DPDT
Mechanical
Degree of protection		Operating handles	Painted Type 1, 3R, 12
Mechanical life (Typical)			10 000 operations
Switching frequency (operations/hr)			300 maximum
Environmental
Temperature		Operating	-35…+40 °C (-31…+104 °F)
		Storage	-40…+65 °C (-40…+149 °F)
Altitude (per IEC 947-5)			2000 m per IEC 337-1
Relative Humidity (per IEC 947-3)			90% at 20 °C (68 °F) and 50% at 40 °C (104 °F)
Design Specification/Test Requirements
Dielectric strength			2200V for 1 minute
Electrical life			6000 operations at rated current
Short Circuit Withstand Capability			10 000 A: unfused 10 000 A: with Class H fuses 200 000 A: with Class J or Class R fuses (30…100 A) 100 000 A: with Class J or Class R fuses (200 A)
Construction
Switch body material			Phenolic
Contact material			Copper, tin-plated
Terminals		30 A 60 A 100 A 200 A	#10 - 32 screw and self-lifting pressure plate 1/4 in. - 28 screw-lug, copper 5/16 in. - 24 screw-lug, copper 3/8 in. - 24 screw-lug, copper
All wire rated 75 °C (167 °F) or higher must be sized per the local Electric Code for 75 °C (167 °F) wire.
Conductor Size (mm2)		30 A 60 A 100 A 200 A	#14…8 AWG #12…2 AWG #10…1/0 AWG #2…250 MCM AWG
Recommended Torque		30 A 60 A 100 A 200 A	Conductor into Lug 36…40 lb•in 35…45 lb•in 35…50 lb•in 275 lb•in
Mechanisms			Zinc-plated steel, bronze chromate finish

Bulletin 1494D, 1494V Circuit Breakers

Electrical Ratings
Frame Size		125 A	150 A	250 A	400 A	600 A	800 A	1200 A
Auxiliary Contacts
1494V, 1494D
NEMA/EEMAC		B600, P300
IEC Ratings		ACII    Ux			12…120V 220…240V 380…400V 500…600V		Ie	6 A 3 A 1.5 A 1.2 A
Maximum Number of Auxiliary Contacts		2
Mechanical Data
Mechanical Life (Typical)		10 000
Construction
Mechanisms		Zinc-plated steel
Environmental Data
Ambient Temperature★	Operating	-20…+40 °C (-4…+104 °F)
	Storage	-40…+65 °C (-40…+149 °F)
Altitude (per IEC 947-5)		2000 m per IEC 337-1
Relative Humidity (per IEC 947-3)		90% at 20 °C (68 °F) and 50% at 40 °C (104 °F)
★ Refer to circuit breaker specifications for other limitations.

Bulletin 1491 Fuse Blocks

Electrical
UL Fuse Type		Class H	Class J	Class R	Class C	Class CC
Maximum Fuse Cartridge Size		30…600 A	30…600 A	30…600 A	30…600 A	30 A
Maximum Voltage	AC	600V	600V	600V	600V	600V
	DC	250V	250V	250V	250V	250V
Thermal Current Rating		30…600 A	30…600 A	30…600 A	30…600 A	30 A
Maximum Short Circuit Prospective Fault Current		10 kA	200 kA	200 kA	100 kA	200 kA
Construction
Fuse Clips		Tin-plated copper
Terminals		Tin-plated copper
Fuse Block Base		Phenolic or porcelain
Environmental
Ambient Temperature	Open	-20…+55 °C (-4…+131 °F)
	Enclosed	-20…+40 °C (-4…+104 °F)
	Storage	-40…+65 °C (-40…+149 °F)
Altitude (per IEC 947-5)		2000 m
Relative Humidity (per IEC 947-3)		90% at 20 °C (68 °F) and 50% at 40 °C (104 °F)

Approximate Dimensions

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494V

Bulletin 1494V — 30…200 A

Bulletin 1494V — 400…600 A

Disconnect Switches★ 

NEMA Size [A]	A	B‡	C		D	E	F	Switch Mounting Hole Diameter
		Max.	Min.	Max.
30	6-19/64 (160)	7-31/32 (202)	8-1/2 (216)	21-5/8 (549)	2-3/4 (69.9)	7-9/16 (192)	3-7/8 (98.5)	7/32 in.
60	6-19/64 (160)	8-15/32 (215)	8-1/2 (216)	21-5/8 (549)	2-9/16 (65.1)	7-9/16 (192)	3-7/8 (98.5)	7/32 in.
100	6-19/64 (160)	9-1/8 (231.8)	8-1/2 (216)	21-5/8 (549)	3-37/64 (90.9)	7-9/16 (192)	3-7/8 (98.5)	7/32 in.
200	8-5/64 (205.2)	15-9/64 (384.5)	9-1/2 (241.3)	21-5/8 (549)	6-35/64 (166.3)	8-25/32 (223)	4-21/32 (118)	19/64 in.
400	11 (279.4)	18-7/32 (462.7)	10-1/2 (266.7)	21-5/8 (549)	8 (203.2)	10 (254)	5-1/2 (139.7)	11/32 in.
600	15-23/32 (399.2)	17-19/32 (446.8)§	10-1/2 (266.7)	21-5/8 (549)	12 (304.8)	11-27/32 (300.8)	8-51/64 (223.3)	11/32 in.
★ Approximate dimensions are for reference only.
‡ This approximate dimension will vary by fuse class and size.
§ Approximate dimension with Class J fuses.

Circuit Breakers♣ 

Frame	A	C		D	E	F
		Min.	Max.
125A 140U-H, 140M-H, EF, HMCPE 150A 140U-I, 140M-I EHD, FD, FDB, FDC, HFD, HMCP	6 (152.4)	6-3/4 (171.5)	23 (584.2)	6 (152.4)	5-7/16 (138.1)	5 (127)
250A 140U-J, 140M-J 250A JD, JDB, JDC, HJD, HMCP	11-1/4 (285.8)	7-7/8 (200.0)	22-9/16 (573.1)	10 (254)	5-23/32 (145.2)	9-23/32 (246.8)
400 A 140U-K, 140M-K KD, KDB, KDC, HKD, HMCP 600 A 140U-L	11-3/8 (228.9)	7-7/8 (200.0)	22-9/16 (573.1)	12 (304.8)	7-1/8 (181.0)	9-21/32 (245.3)
♣ Approximate dimensions are for reference only.

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494C



Disconnect Switches

NEMA Size [A]	AA	BB	CC	DD	EE Mounting Plate Hole Diameter	FF Minimum Bevel Diameter
30	2-1/4 (57.2)	5-1/4 (133.4)	2-1/4 (57.2)	—	11/64 (4.37)	12 (304.8)
60	2-1/4 (57.2)	5-1/4 (133.4)	2-1/4 (57.2)	—	11/64 (4.37)	12 (304.8)
100	2-1/4 (57.2)	5-1/4 (133.4)	2-1/4 (57.2)	—	11/64 (4.37)	12 (304.8)
200	2 (50.8)	8-1/4 (209.6)	4-1/4 (108)	1-1/8 (28.6)	7/32 (5.56)	16 (406.4)
400	2 (50.8)	11 (279.4)	4-3/4 (120.7)	1-3/8 (34.9)	9/32 (7.14)	16 (406.4)
600	8-1/4 (209.6)	15 (381)	8-1/4 (209.6)	—	—	16 (406.4)

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494F Disconnect Switches

Non-Fusible Disconnect Switch



Fusible Disconnect Switch

Switch Size [A]

A

B

C

D

E

F

G

H

J

K

L

M

N

P

Q

R

30

9-3/16 (233.4)

4-5/16 (109.5)

1-1/8 (28.6)

6 (152.4)

3/8 (9.5)

1-9/16 (39.7)

10-1/2 (266.7)

8-1/2 (215.9)

6-7/8 (174.6)

8 (203.2)

8-1/2 (215.9)

15/16 (23.8)

3-21/32 (92.9)

7-5/16 (185.7)

3 (76.2)

5-7/16 (138.1)

60

9-3/16 (233.4)

4-5/16 (109.5)

1-1/8 (28.6)

6 (152.4)

3/8 (9.5)

1-9/16 (39.7)

10-1/2 (266.7)

8-1/2 (215.9)

6-7/8 (174.6)

8 (203.2)

8-1/2 (215.9)

15/16 (23.8)

3-21/32 (92.9)

7-5/16 (185.7)

3 (76.2)

5-7/16 (138.1)

100

9-3/16 (233.4)

4-5/16 (109.5)

1-1/8 (28.6)

6 (152.4)

3/8 (9.5)

1-9/16 (39.7)

10-1/2 (266.7)

9-3/4 (247.7)

8-1/8 (206.4)

8 (203.2)

8-1/2 (215.9)

15/16 (23.8)

3-21/32 (92.9)

7-5/16 (185.7)

3 (76.2)

5-7/16 (138.1)

200

9-5/8 (244.5)

4-3/4 (120.7)

1-5/32 (29.4)

8-3/16 (208)

7/16 (11.1)

2 (50.8)

10-29/32 (277)

9-3/4 (247.7)

8-1/8 (206.4)

8 (203.2)

8-1/2 (215.9)

1-5/16 (33.3)

3-3/4 (95.3)

7-1/2 (190.5)

3 (76.2)

5-7/16 (138.1)

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494F Disconnect Switches Vault Hardware Latching (Non Pre-drilled Enclosures)

Vault Hardware Kits★

Switch Size [A]

A

B

C (Min.)

D

E (Min.)

F

G (Min.)

H (Min.)

J (Min.)

K

L

M

N

Small and Intermediate Enclosures

1494F-L1 1494F-L2 1494F-L3

30

3-7/8 (98.4)

3/8 (9.5)

3-1/16 (77.8)

2-1/8 (54)

4-1/2 (114.3)

3-13/16 (96.8)

13 (330.2)

8-1/8 (206.4)

5 (127)

1/2 (12.7)

1/4 (6.4)

11/16 (17.5)

1/2 (12.7)

60

14 (355.6)

100

18-7/8 (479.4)

200

23-25/32 (604)

Large Enclosures

1494F-L4

30

4 (101.6)

1/2 (12.7)

3-3/4 (95.3)

2-1/8 (54)

5 (127)

3-13/16 (96.8)

13-1/8 (333.4)

9-13/16 (249.2)

6 (152.4)

5/8 (15.9)

5/16 (7.9)

1-1/4 (31.8)

3/4 (19.1)

60

13-5/8 (346.1)

100

18-1/2 (469.9)

200

23-13/32 (594.5)

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494D Circuit Breakers♣ 

Cutler-Hammer Frame	A	C		D	E	F
		Min.	Max.
150 A — EHD, FD, FDB, FDC, HFD, HMCP	7-13/16 (198.4)	6-3/8 (161.9)	—	6 (152.4)	5-5/8 (142.9)	6-7/16 (163.5)
250 A — JD, JDB, JDC, HJD, HMCP	11-1/2 (292.1)	8-3/8 (212.7)	—	8 (203.2)	5-13/16 (147.6)	9-7/16 (239.7)
400 A — KD, KDB, KDC, HKD, HMCP	11-1/2 (292.1)	8-3/8 (212.7)	—	12 (304.8)	6-7/8 (174.6)	9-7/16 (239.7)
600 A — LD, HLD, LDC, LA, HLA, LC, HLC	11-3/8 (288.9)	9-1/2 (241.3)	—	8 (203.2)	12 (304.8)	10-17/32 (267.5)
800 A — MA, MDL, HMDL, HMA, MC, ND, HND, NDC	16 (406.4)	9-1/2 (241.3)	—	10 (254)	12-5/16 (312.7)	15-3/32 (183.4)
1200 A — NB TRI-PAK	22 (558.8)	9-1/2 (241.3)	—	10 (254)	12-5/16 (312.7)	21-3/32 (535.8)
1200 A — HNC, ND, HND, NDC, NB, HNB, NC, HNC	16 (406.4)	9-1/2 (241.3)	—	12 (304.8)	12-5/16 (312.7)	25-3/32 (183.4)
♣ Approximate dimensions are for reference only.

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494G, 1494GX, 1494GY Enclosed Disconnect Safety Switches

Type 3R/4/12 (Enclosure Code "F") Painted Metal Enclosures

Size [A]

Fuse Style★

Number of Poles

Bulletin No.

Approximate Dimensions in Inches (Millimeters)

Approx. Shipping Weight [lb (kg)]

A Height

B Width

C Depth

D Mounting

E Mounting

F Mounting

G Handle Depth

H

J

30

A

2 or 3

1494G

13-5/16 (338)

10-1/2 (267)

8-1/4 (210)

14-11/16 (373)

‡

5-1/4 (133)

5-9/16 (141)

15-21/32 (398)

11/32 (9)

20 (9.07)

60

30

B

2 or 3

1494G

20 (509)

10-1/2 (267)

10-3/16 (259)

21-7/16 (545)

‡

5-1/4 (133)

5-9/16 (141)

22-13/32 (569)

11/32 (9)

30 (13.6)

60

100

A

30

C

6

1494G

27-1/2 (698)

10-1/2 (267)

8-1/4 (210)

28-7/8 (733)

‡

5-1/4 (133)

5-9/16 (141)

29-7/8 (759)

13/16 (21)

60 (27.21)

D

60

C

D

30

A

2 or 3

1494GY

B

60

A

B

30

A

2 or 3

1494GX

30 (762)

20-1/2 (521)

10-3/16 (259)

31-3/8 (797)

15-1/4 (387)

15-1/4 (387)

5-9/16 (141)

32-3/8 (822)

13/16 (21)

90 (40.82)

B

60

A

B

100

D

6

1494G

100

A

2 or 3

1494GY

B

100

B

2 or 3

1494G

31-1/2 (800)

10-1/2 (267)

10-3/32 (257)

32-7/8 (835)

‡

5-1/4 (133)

5-9/16 (141)

33-27/32 (860)

11/32 (9)

70 (31.73)

C

6

200

A

2 or 3

B

100

A

2 or 3

1494GX

50 (1270)

22 (559)

11-1/2 (292)

51-3/8 (1305)

15-1/4 (387)

15-1/4 (387)

5-9/16 (141)

52-11/32 (1330)

11/32 (9)

200 (90.7)

B

200

C

6

1494G

D

200

A

2 or 3

1494GY

B

400

A

2 or 3

1494G

50 (1270)

22 (559)

11-1/2 (292)

51-3/8 (1305)

15-1/4 (387)

15-1/4 (387)

7-5/8 (194)

52-11/32 (1330)

11/32 (9)

200 (90.7)

600

A

400

B

2 or 3

1494G

56 (1422)

30-1/2 (775)

13-51/64 (350)

57-5/8 (1464)

20 (508)

25-1/4 (641)

7-5/8 (194)

62-5/8 (1590)

1 (25.4)

300 (136.05)

600

B

★ A = Non-Fusible, Fusible 250V - Class H/R, Fusible 600V - Class J B = Fusible 600V - Class H/R C = Non-fusible D = Fusible 250V - Class H/R, Fusible 600V - Class J

‡ These enclosures have one top mounting hole located on the center line. All other enclosures have two top mounting holes located as shown.

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494G, 1494GX, 1494GY Enclosed Disconnect Safety Switches

Type 4/4X (Enclosure Code "C") Stainless Steel Enclosure

Size [A]

Fuse Style★

Number of Poles

Bulletin No.

Approximate Dimensions in Inches (Millimeters)

Approx. Shipping Weight [lb (kg)]

A Height

B Width

C Depth

D Mounting

E Mounting

F Mounting

G Handle Depth

H

J

30

A

2 or 3

1494G

13-5/16 (338)

10-1/2 (267)

8-9/16 (217)

14-11/16 (373)

‡

5-1/4 (133)

5-9/16 (141)

15-21/32 (398)

13/16 (21)

20 (9.07)

60

30

B

2 or 3

1494G

27-1/2 (698)

10-1/2 (267)

8-1/4 (210)

28-7/8 (733)

‡

7 (178)

5-9/16 (141)

29-3/4 (756)

13/16 (21)

60 (27.21)

C

6

D

60

B

2 or 3

C

6

D

30

A

2 or 3

1494GY

B

60

A

B

30

A

2 or 3

1494GX

30 (762)

20-1/2 (521)

9-7/8 (251)

31-3/8 (797)

17 (432)

17 (432)

5-9/16 (141)

32-1/4 (819)

13/16 (21)

90 (40.82)

B

60

A

B

100

A

2 or 3

1494G

B

C

6

D

100

A

2 or 3

1494GX

50 (1270)

22 (559)

11-3/16 (284)

51-3/8 (1305)

18-1/2 (470)

18-1/2 (470)

5-9/16 (141)

52-1/4 (1327)

13/16 (21)

200 (90.7)

B

200

A

2 or 3

1494G

B

C

6

D

400

A

2 or 3

1494G

56 (1422)

30-1/2 (775)

13-51/64 (350)

57-5/8 (1464)

20 (508)

25-1/4 (641)

7-5/8 (194)

58-5/8 (1489)

1 (25.4)

300 (136.05)

B

600

A

B

★ A = Non-Fusible, Fusible 250V - Class H/R, Fusible 600V - Class J B = Fusible 600V - Class H/R C = Non-fusible D = Fusible 250V - Class H/R, Fusible 600V - Class J

‡ These enclosures have one top mounting hole located on the center line. All other enclosures have two top mounting holes located as shown.

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494H Heavy Duty Safety Switches

Type 1 (Enclosure Code "A") General Purpose Painted Metal Enclosures

Switch Size [A]	Fuse Style	A Height	B Width	C Depth	D Width (with handle)	Knockout Fig. #
30	240V	10-9/32 (261.1)	6-3/8 (162.1)	3-5/16 (84.1)	7-1/8 (181)	1
	600V	12-19/32 (319.8)	8-3/8 (212.9)	4 (101.6)	9-1/2 (241.3)	2
	Non-fusible	10-3/8 (263.7)	8-3/8 (212.9)	4 (101.6)	9-1/4 (235)	3
60	240V	17-19/32 (446.8)	9-3/8 (238.3)	5 (127)	10-3/64 (255.3)	4
	600V	21-11/32 (542)				5
	Non-fusible	17-19/32 (446.8)				4
100	240V	21-11/32 (542)	9-3/8 (238.3)	5 (127)	10-3/64 (255.3)	5
	600V	22-11/32 (567.4)				4
	Non-fusible	17-19/32 (446.8)				4
200	240V	31-5/8 (803.3)	13-7/16 (341.4)	5-1/4 (133.4)	14-7/16 (366)	6
	600V
	Non-fusible

Knockouts — Conduit Size

Fig. 1		Fig. 2		Fig. 3
Fig. 4		Fig. 5		Fig. 6

Switch Size [A]	Fuse Style	Knockouts
		A	B	C	D	E
30	240V	9/32 (7.1)	1/2 x 3/4 (12.7 x 19.1)	3/8 x 1/2 x 3/4 x 1 (9.5 x 12.7 x 19.1 x 25.4)	—	—
	600V			1/2 x 3/4 x 1 (12.7 x 19.1 x 25.4)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)
	Non-fusible
60	240V	9/32 (7.1)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)	1 x 1-1/4 x 1-1/2 x 2 (25.4 x 31.8 x 38.1 x 50.8)	—
	600V
	Non-fusible
100	240V	9/32 (7.1)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)	1 x 1-1/4 x 1-1/2 x 2 (25.4 x 31.8 x 38.1 x 50.8)	—
	600V
	Non-fusible
200	240V	1 x 1-1/2 x 2 x 2-1/2 (25.4 x 38.1 x 50.8 x 63.5)	9/32 (7.1)	1/2 (12.7)	—	—
	600V
	Non-fusible

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494H Heavy Duty Safety Switches

Type 3R (Enclosure Code "N") Rain-Proof Painted Metal Enclosures

Switch Size [A]	Fuse Style	A Height	B Width	C Depth	D Width (with handle)	Knockout Fig. #
30	240V	10-5/8 (269.9)	6-3/8 (162.1)	3-5/16 (84.1)	7-1/8 (181)	7
	600V	13-13/64 (335.3)	8-3/8 (212.9)	4 (101.6)	9-13/32 (239)	8
	Non-fusible	13-13/64 (335.3)	8-3/8 (212.9)	4 (101.6)	9-13/32 (239)	8
60	240V	17-7/16 (443)	9-3/8 (238.3)	5 (127)	10-3/64 (255.3)	9
	600V	22-3/16 (563.6)			10-1/2 (267)
	Non-fusible	17-7/16 (443)			10-3/64 (255.3)
100	240V	22-3/16 (563.6)	9-3/8 (238.3)	5 (127)	10-1/2 (267)	9
	600V	22-3/16 (563.6)
	Non-fusible	17-7/16 (443)			10-3/64 (255.3)
200	240V	31-7/16 (798.6)	13-3/8 (339.9)	5-15/32 (138.9)	14-1/8 (361.9)	10
	600V
	Non-fusible

Knockouts — Conduit Size

Fig. 7		Fig. 8		Fig. 9		Fig. 10

Switch Size [A]	Fuse Style	Knockouts
		A	B	C	D
30	240V	9/32 (7.1)	1/2 x 3/4 (12.7 x 19.1)	3/8 x 1/2 x 3/4 x 1 (9.5 x 12.7 x 19.1 x 25.4)	—
	600V		1/2 x 3/4 x 1 (12.7 x 19.1 x 25.4)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)
	Non-fusible
60	240V	9/32 (7.1)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)	1 x 1-1/4 x 1-1/2 x 2 (25.4 x 31.8 x 38.1 x 50.8)
	600V
	Non-fusible
100	240V	9/32 (7.1)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)	1 x 1-1/4 x 1-1/2 x 2 (25.4 x 31.8 x 38.1 x 50.8)
	600V
	Non-fusible
200	240V	1 x 1-1/2 x 2 x 2-1/2 (25.4 x 38.1 x 50.8 x 63.5)	9/32 (7.1)	1/2 (12.7)	—
	600V				—
	Non-fusible				—

Approximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.

Bulletin 1494H Heavy Duty Safety Switches

Type 12 (Enclosure Code "F") Dust-Tight Painted Metal Enclosures

Switch Size [A]	Fuse Style	A Height	B Width	C Depth	D Width (with handle)
30	240V	11-3/8 (288.9)	7-3/8 (187.3)	5-1/16 (128.6)	8-1/8 (206.4)
	600V	13-3/8 (339.7)	9-3/8 (238.1)	5-5/16 (134.9)	10-1/4 (260.4)
	Non-fusible			5-1/16 (128.6)
60	240V	19-3/8 (492.1)	9-3/8 (238.1)	5-1/16 (128.6)	10-1/4 (260.4)
	600V			5-5/16 (134.9)
	Non-fusible			5-1/16 (128.6)
100	240V	25-3/8 (644.5)	13-1/2 (342.9)	5-1/16 (128.6)	14-1/4 (362)
	600V			5-5/16 (134.9)
	Non-fusible
200	240V	35-1/8 (892.2)	13-1/2 (342.9)	5-5/16 (134.9)	15-1/4 (387.4)
	600V		14-1/2 (368.3)
	Non-fusible

Bulletin 1494HL General Duty Safety Switches

Type 1 (Enclosure Code "A") General Purpose Painted Metal Enclosures

Switch Size [A]	Fuse Style	A Height	B Width	C Depth	D Width (with handle)	Knockout Fig. #
30	240V	10-9/32 (261.1)	6-1/2 (165.1)	3-5/16 (84.1)	6-29/32 (175.3)	1
60		13-27/32 (351.5)	8-1/2 (215.9)	4 (101.6)	8-7/8 (225.6)	2
100		21-11/32 (542)	9-1/2 (241.3)	5 (127)	9-7/8 (251)	3
200		29-1/8 (739.6)	13-7/16 (341.4)	5-5/16 (134.9)	13-15/16 (354.1)	4

Knockouts — Conduit Size

Fig. 1		Fig. 2		Fig. 3		Fig. 4

Switch Size [A]	Knockouts
	A	B	C	D	E
30	9/32 (7.1)	1/2 x 3/4 (12.7 x 19.1)	3/8 x 1/2 x 3/4 x 1 (9.5 x 12.7 x 19.1 x 25.4)	—	—
60	9/32 (7.1)	1/2 x 3/4 (12.7 x 19.1)	1/2 x 3/4 x 1 (12.7 x 19.1 x 25.4)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)
100	9/32 (7.1)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)	1 x 1-1/4 x 1-1/2 x 2 (25.4 x 31.8 x 38.1 x 50.8)	—
200	1/2 (12.7)	1 x 1-1/2 x 2 x 2-1/2 (25.4 x 38.1 x 50.8 x 63.5)	9/32 (7.1)	—	—

Type 3R (Enclosure Code "N") Rain-Proof Painted Metal Enclosures

Switch Size [A]	Fuse Style	A Height	B Width	C Depth	D Width (with handle)	Knockout Fig. #
30	240V	10-1/32 (254.8)	6-3/8 (162.1)	3-5/16 (84.1)	7-1/8 (180.8)	5
60		13-15/16 (353.8)	8-3/8 (212.9)	3-7/8 (225.6)	9-3/32 (230.9)	6
100		21-7/16 (544.3)	9-3/8 (238.3)	5 (127)	9-61/64 (252.7)	7
200		28-15/16 (735.1)	13-3/8 (339.9)	5-5/16 (134.9)	14-1/16 (357.1)	8

Knockouts — Conduit Size

Fig. 5		Fig. 6		Fig. 7		Fig. 8

Switch Size [A]	Knockouts
	A	B	C	D
30	9/32 (7.1)	1/2 x 3/4 (12.7 x 19.1)	3/8 x 1/2 x 3/4 x 1 (9.5 x 12.7 x 19.1 x 25.4)	—
60	9/32 (7.1)	1/2 x 3/4 x 1 (12.7 x 19.1 x 25.4)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)
100	9/32 (7.1)	1/2 x 3/4 x 1 x 1-1/4 (12.7 x 19.1 x 25.4 x 31.8)	3/4 x 1 x 1-1/4 x 1-1/2 (19.1 x 25.4 x 31.8 x 38.1)	1 x 1-1/4 x 1-1/2 x 2 (25.4 x 31.8 x 38.1 x 50.8)
200	1/2 (12.7)	1 x 1-1/2 x 2 x 2-1/2 (25.4 x 38.1 x 50.8 x 63.5)	1 x 1-1/2 x 2 x 2-1/2 (25.4 x 38.1 x 50.8 x 63.5)	—