HOME > Breaker List > SQUARE D > SEF-4000


Utility Relay Company has several different versions of complete retrofit kits for the SEF-4000 breaker.

Kits are available for the following breaker options.

  • Reusing the existing actuator
  • Up to 4000 amps
  • Ground Fault available for 3 or 4 wire systems



Please visit our Kit Ordering Guide page and use the interactive online ordering system to determine the exact kit you need. You can also Contact Us if you need assistance

ISO 9001