Technical FAQs

Ask a Question

Can a shunt trip be added to QO/B or QOU breakers?

Are QO/B and QOU breakers available with a Shunt Trip?

Product Line:
Circuit Breakers

Applies to QO, QOB, QOU circuit breakers
Does NOT apply QO or QOB breakers with suffix GFI, EPD, EPE, AFI, CAFI, DF
Does NOT apply to QOB-VH (2P 150A and 3P 110 to 150A) or QO/B 2P 150A-200A
Does NOT apply to QO tandems or QOT tandems
Does NOT apply to QO or QOU molded case switches

Shunt trip This can be factory installed only on QO/B, QO/B-SWN, and QOU by adding suffix:
  • 1042 for 12 or 24 Vac or Vdc
  • 1021 for 120, 208 or 240 Vac
The shunt trip terminals accept (2) 14-12 AWG CU wires. The HOT or Neutral wires can be connected to either terminal. The shunt trip adds an additional pole space to the breaker.
Was this helpful?
What can we do to improve the information ?