Disconnect Switches

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Cable-Operated Disconnect Switches

Introduction Standards Compliance and Certifications Catalog Number Explanation Product Selection Accessories Specifications Approximate Dimensions
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)