Siemens Q290 90-Amp 2 Pole 240-Volt Circuit Breaker Size

QO and QOB one, two, and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on AC systems. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. This unit provides 10kA breaking capacity and is plug in mounting. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. Plug-on design, easy to install