- Provides superior circuit protection
- Reliable and durable
- Plug-on neutral design and shorter footprint for faster installs
- Simple design and clear instructions for quick setup
- Time-saving diagnostics with touch of a button
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 3 pole QO circuit breaker is rated at 45A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
Brand
Square D
Series
QO Series
Amperage Rating
45 A
Voltage Rating
120/240 VAC
Frequency Rating
50/60 Hz
Interrupt Rating
10 kA
Number of Poles
3
Phase
3 ph
Connection Type
Box Lug
Trip Type
Magnetic/Thermal
Wire Size
8 to 2 AWG
Mounting Type
Plug-In
Temperature Rating
104 deg F
Width
2.2 in
Length
2.9 in
Height
3.1 in