QO and QOB circuit breakers offer reliable overcurrent protection and seamless switching for AC systems. Engineered with a thermal magnetic mechanism, these breakers ensure safety and efficiency. Featuring an over-center, trip-free toggle mechanism, they provide quick make and break actions with positive handle indication for enhanced usability. The VisiTrip trip indication offers visual confirmation of circuit interruption. This 3-pole QO circuit breaker is rated at 40A for 120/240VAC systems and features bolt-on mounting for easy installation. A comprehensive range of features and factory-installed accessories, including shunt trips, auxiliary switches, and alarm switches, is available. QO circuit breakers are UL Listed under UL File E84967 and CSA Certified under CSA Master Contract 153555.
Specifications:
-
Product: Miniature Circuit-Breaker
-
Range: QO
-
Current Rating: 40 A
-
Voltage Rating: 120/240 V AC, 240 V AC, 120 V AC
-
Mounting Type: Bolt-on
-
Number of Poles: 3P
-
Circuit Breaker Type: Standard
-
Ratings: HACR rated
-
Electrical Connection: Box lugs
-
Interrupt Rating:
- 10 kA @ 120/240 V AC 50/60 Hz
- 10 kA @ 240 V AC 50/60 Hz
- 10 kA @ 120 V AC 50/60 Hz
-
Number of Panel Spaces: 3
-
Wire Size: AWG 8...AWG 2 copper or aluminium
-
Tightening Torque: 44.25 lbf.in (5 N.m)
-
Dimensions:
- Height: 3.11 in (79 mm)
- Width: 2.24 in (57 mm)
- Depth: 2.91 in (74 mm)
-
Net Weight: 0.80 lb(US) (0.363 kg)
-
Certifications: UL Listed, CSA
-
Ambient Rating: 104 °F (40 °C)
