B150 – SIEMENS 1P50A 120V BOLT ON 10kA BREAKER
The B150 – SIEMENS 1P50A 120V Bolt-On Breaker is a reliable circuit protection solution designed for efficiency and safety. With a 10kA interrupting capacity, it effectively safeguards against overloads and short circuits. Ideal for residential and commercial applications, this breaker ensures optimal performance and lasting durability for your electrical needs.
The B-series (e.g., B150) uses a bolt-on connection to the panel busbar, secured with a fastener, while QP-series breakers simply plug onto the bus. The two styles are not interchangeable — your panel must specifically accept bolt-on breakers. Check your loadcentre's label or contact us and we'll help you identify the right type.
Yes. The B150 is rated 1-pole, 120V, 50A with a 10kA interrupting capacity, making it appropriate for single-pole 120V branch circuits in residential and light commercial panels where the available fault current does not exceed 10kA. Always verify the fault-current level at your panel with a qualified electrician to ensure the breaker's interrupting rating is adequate.
Availability of specific bolt-on frame breakers can vary. Northern Breaker Group specializes in obsolete and hard-to-find breakers and maintains an extensive inventory across our Calgary, Edmonton, and Vancouver locations. Contact us with your requirements and we'll advise on current stock or sourcing options.
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