Manual Motor Controller / Supplementary Protector

Bulletin 1492-CB — Supplementary Protector/Miniature Circuit Breaker - DC Loads

Product Obsolescence

The AC versions of Bulletin 1492-CB products will no longer be available after 31 December 2007. For more information on these products, please contact your local Rockwell Automation sales office or Allen-Bradley distributor or call Technical Support at 440-646-5800.

The DC versions of Bulletin 1492-CB products will remain available. After 31 December 2007, this website will reflect only the DC versions.

Product Overview

Bulletin 1492-CB devices are specifically rated for DC with trip curves, DF, DG and DH. Screw termination is standard on all Bulletin 1492-CB units. Both line and load side terminals accept #16…4 AWG (1.5…25 mm²) copper wire.

Bulletin 1492-CB are “energy limiting” thermal magnetic type overcurrent protectors meeting UL 1077/CSA C22.2 No. 235, IEC/EN 60934. These devices are designed for the protection of a wide variety of products including:

Solenoids
Test Equipment
Controller I/O Points
Relay and Contactor Coils
Computers
Automotive Systems
Medical Equipment
Control Instrumentation

Trip Curves


Multiple of Rated Current (xI_n)DF-Trip Curve 4.5…8	Multiple of Rated Current (xI_n)DG-Trip Curve 9.0…16	Multiple of Rated Current (xI_n)DH-Trip Curve 18…32

Standards Compliance and Certifications

Standards Compliance

Certifications

Tripping Characteristic		DF Trip Resistive or Slightly Inductive	DG Trip Inductive	DH Trip Highly Inductive
Tripping Characteristic		4.5…8 I_n	9…16 I_n	18…32 I_n
Number of Poles	Continuous Current Rating (I_n) [A]	Cat. No.	Cat. No.	Cat. No.
1-Pole 1 Piece per Carton	0.5	1492-CB1DF005	1492-CB1DG005	—
1-Pole 1 Piece per Carton	1	1492-CB1DF010	1492-CB1DG010	—
	2	1492-CB1DF020	1492-CB1DG020	—
	3	1492-CB1DF030	1492-CB1DG030	—
	4	1492-CB1DF040	1492-CB1DG040	—
	5	1492-CB1DF050	1492-CB1DG050	—
	6	1492-CB1DF060	1492-CB1DG060	1492-CB1DH060
	7	1492-CB1DF070	1492-CB1DG070	1492-CB1DH070
	8	1492-CB1DF080	1492-CB1DG080	1492-CB1DH080
	10	1492-CB1DF100	1492-CB1DG100	1492-CB1DH100
	12	1492-CB1DF120	1492-CB1DG120	1492-CB1DH120
	15	1492-CB1DF150	1492-CB1DG150	1492-CB1DH150
	16	1492-CB1DF160	1492-CB1DG160	1492-CB1DH160
	20	1492-CB1DF200	1492-CB1DG200	1492-CB1DH200
	25	1492-CB1DF250	1492-CB1DG250	1492-CB1DH250
	30	1492-CB1DF300	1492-CB1DG300	1492-CB1DH300
	32	1492-CB1DF320	1492-CB1DG320	1492-CB1DH320
	40	1492-CB1DF400	1492-CB1DG400	1492-CB1DH400

Tripping Characteristic		DF Trip Resistive or Slightly Inductive	DG Trip Inductive	DH Trip Highly Inductive
Tripping Characteristic		4.5…8 I_n	9…16 I_n	18…32 I_n
Number of Poles	Continuous Current Rating (I_n) [A]	Cat. No.	Cat. No.	Cat. No.
2-Pole 1 Piece per Carton	0.5	1492-CB2DF005	1492-CB2DG005	—
2-Pole 1 Piece per Carton	1	1492-CB2DF010	1492-CB2DG010	—
	2	1492-CB2DF020	1492-CB2DG020	—
	3	1492-CB2DF030	1492-CB2DG030	—
	4	1492-CB2DF040	1492-CB2DG040	—
	5	1492-CB2DF050	1492-CB2DG050	—
	6	1492-CB2DF060	1492-CB2DG060	1492-CB2DH060
	7	1492-CB2DF070	1492-CB2DG070	1492-CB2DH070
	8	1492-CB2DF080	1492-CB2DG080	1492-CB2DH080
	10	1492-CB2DF100	1492-CB2DG100	1492-CB2DH100
	12	1492-CB2DF120	1492-CB2DG120	1492-CB2DH120
	15	1492-CB2DF150	1492-CB2DG150	1492-CB2DH150
	16	1492-CB2DF160	1492-CB2DG160	1492-CB2DH160
	20	1492-CB2DF200	1492-CB2DG200	1492-CB2DH200
	25	1492-CB2DF250	1492-CB2DG250	1492-CB2DH250
	30	1492-CB2DF300	1492-CB2DG300	1492-CB2DH300
	32	1492-CB2DF320	1492-CB2DG320	1492-CB2DH320
	40	1492-CB2DF400	1492-CB2DG400	1492-CB2DH400

Accessories

Description			Cat. No.
Auxiliary Contacts	Auxiliary Contact Module Switches when protective device is operated manually or tripped electrically 1 N.O. Contact		1492-ACBH1
	Auxiliary Contact Module Switches when protective device is operated manually or tripped electrically 1 N.C. Contact		1492-ACBH2
	Signal Alarm Contact Module Trip indicating contact switches only when the protective device is tripped electrically 1 N.O. Contact		1492-ACBS1
	Signal Alarm Contact Module Trip indicating contact switches only when the protective device is tripped electrically 1 N.C. Contact		1492-ACBS2
Shunt Trip Module	Shunt Trip Module Use the Shunt Trip Module to trip the adjacent breaker poles from a remote location. The module is actuated by applying a voltage (pick-up voltage) to the trip terminals. Shunt Trip Modules are often used in emergency shutdown circuits where multiple power circuits must be switched off from a single location.	5…12V AC/DC	1492-ACBA1
		10…24V AC/DC	1492-ACBA2
		20…48V AC/DC	1492-ACBA3
		40…110V AC/DC	1492-ACBA4
		90…240V AC/DC	1492-ACBA5
		Pieces Per Package	Cat. No.
DIN (#3) Symmetrical Rail 35 x 7.5 x 1 m		10	199-DR1
End Anchor		10	1492-EAH35
Lockout Attachment		5	1492-ACBLOA
Bus Bars		See for Pin Style Bus Bars

Click to enlarge - revised_busbar_ratings

Specifications

Description	DF Curve	DG Curve	DH Curve
Tripping Characteristic	Resistive or Slightly-Inductive Loads	Inductive Loads	Highly-Inductive Loads
	4.5…8 I_n	9…16 I_n	18…32 I_n
Dielectric Strength	1960V AC
Shock	25 G Half Sine Wave for 11 ms (3 axes)
Vibration	Frequency Range: 10…500 Hz Max. Amplitude (p-p) = 0.030 in. Max. Acceleration = 5 G 1 hour each of 3 axes
Operating Temperature Range	–40…+140 °F (–40…+60 °C) non-condensing
Shipment and Short-Term Temperature Limits	–40…+185 °F (–40…+85 °C)
Housing Material	Melamine-Phenolic
Wire Size	#16…4 AWG (1.0…25 mm²)
Recommended Wire Strip Length	0.51 in. (13 mm)
Electromechanical Life at 240V AC	Up to 6 A, 50 000 cycles 7…16 A, 30 000 cycles 20…32 A, 20 000 cycles 40…50 A, 12 000 cycles
Auxiliary Contact Rating Signal Contact Rating	277V AC, 6 A 125V AC, 1 A 50V DC, 6 A
1-Pole	10 kA @ 120V DC U1	10 kA @ 120V DC U1	5 kA @ 240V DC U1
2-Pole in Series	10 kA @ 240V DC U1	10 kA @ 240V DC U1	5 kA @ 240V DC U1

Approximate Dimensions

Dimensions are shown in inches (millimeters). Dimensions are not intended for manufacturing purposes.

Number of Poles and Accessories	1	2	3	4	5
Width (inches)	0.7	1.4	2.1	2.8	3.5
Width (millimeters)	17.8	35.6	53.3	71.1	88.9

Note: Accessories and one pole width are identical.