Square D™ Homeline™ QO® Standard Miniature Circuit Breaker, 240 VAC/48 VDC, 20 A, 10 kA Interrupt, 3 Poles

Miniature Circuit Breakers
33233 MFG #: QOB320
Square D™
402.10000 / ea
Square D QOB320 MINIATURE CIRCUIT BREAKER 240V 20A,10kA,20A,240 Vac,3-Phase,Miniature Circuit Breaker,Pressure Plate #14 to #8 AWG(Al/Cu),QO,Standard Bolt-On,UL Listed - CSA Certified
  • Applications
  • Features
HACR rated
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 240 VAC, 5 kA at 48 VDC interrupt rating
14 to 8 AWG aluminum/copper wire