Miniature Circuit Breakers / Supplemental Protectors

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