Advanced Protection and Switching: Introducing the QO and QOB Series Thermal Magnetic Circuit Breakers – the definitive solution for overcurrent protection and seamless AC and DC system switching. Engineered with precision, these circuit breakers feature an innovative over-center, trip-free toggle mechanism, guaranteeing rapid quick-make and quick-break actions, complemented by a clear positive handle indication. Additionally, the VisiTrip trip indication system provides an immediate visual alert when the circuit breaker trips, ensuring prompt intervention.
Optimal Performance: The 2-pole QO Main Breaker, with a substantial 125A rating at 120/240VAC, is fortified with a 22kA breaking capacity, ready to fortify your systems with unmatched reliability. The bolt-on mounting configuration ensures secure and efficient installation.
Tailored Excellence: A comprehensive suite of features and factory-installed accessories, including shunt trips, auxiliary switches, and alarm switches, offer unmatched customization for your circuit protection requirements.
Space-Efficient Design: With a streamlined 3/4 inch width design, QO breakers optimize system footprint without compromising performance.
Certified Assurance: Trust the quality and dependability of QO circuit breakers, which are proudly UL Listed under UL File E84967 and CSA Certified under CSA Master Contract 153555.
- Product Type: Circuit Breaker
- Range: QO
- Current Rating: 125 A
- Voltage Rating: 120/240 V AC
- Mounting Type: Bolt-on
- Number of Poles: 2P
- Circuit Breaker Type: Standard
- Electrical Connection: Lugs
- Frame Size: QOM2
- Interrupt Rating: 22 kA at 120/240 V AC 50/60 Hz, 22 kA at 120 V AC 50/60 Hz
- Wire Size: AWG 4...300 kcmil aluminium/copper
- Tightening Torque: 53.10 lbf.in (6 N.m) 0.01…0.10 in² (4…65 mm²) (AWG 12...AWG 2/0)
- Dimensions: Height - 5.59 in (142 mm), Width - 3.58 in (91 mm), Depth - 5.08 in (129 mm)
- Net Weight: 2.67 lb (1.210 kg)
- Load Center Type: Main breaker
- Number of Phases: 1 phase
- For Use With: QO load center, Homeline load center
- Environment: Certifications - UL Listed, CSA, Ambient Rating - 104 °F (40 °C)
Experience the pinnacle of circuit protection and switching control with the QO and QOB Series Thermal Magnetic Circuit Breakers. Elevate your electrical systems with precision, efficiency, and the peace of mind you deserve.