Square D™ Homeline™ QO® Standard Miniature Circuit Breaker, 240 VAC/48 VDC, 40 A, 10 kA Interrupt, 2 Poles

Miniature Circuit Breakers
33228 MFG #: QOB240
Square D™
113.09000 / ea
Square D QOB240 MINIATURE CIRCUIT BREAKER 120/240V 40A,1-Phase,10kA,120/240 Vac,40A,Box Lugs #8 to #2 AWG(Al/Cu),Miniature Circuit Breaker,QO,Standard Bolt-On,UL Listed - CSA Certified
  • Applications
  • Features
For providing overload and short circuit protection
QO® and QOB circuit breakers have an overcenter, trip-free toggle mechanism with quick-make, quickbreak action and positive handle indication
Tripping mechanisms in 2 and 3-pole circuit breakers operate such that an overcurrent on any pole of the circuit breaker will cause all poles of the circuit breaker to open simultaneously
Bolt-on QOB circuit breakers are for use in NQO and NQOD panelboards
QO® and QOB circuit breakers have Visi-Trip® feature, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit
Common trip
10 kA at 120/240 VAC, 5 kA at 48 VDC interrupt rating
8 to 2 AWG aluminum/copper wire