Built for commercial and industrial distribution, the Siemens B360 is a 3-pole, 60-amp molded case circuit breaker. It utilizes fixed thermal and magnetic trip elements to deliver consistent protection against overloads and short circuits. Designed with a bolt-on mounting style, this breaker mounts securely into Siemens P1, P2, P3, P4, and P5 panelboards. It features Insta-Wire technology and accommodates 6-4 AWG conductors. Rated for 10kAIC at 240VAC, it is ideal for standard fault currents.
Yes. B360 is the official catalog number for a 60-amp, 3-pole Type BL circuit breaker [1.3.1]. You will frequently see both part numbers used interchangeably in the field.
Can this breaker be installed in a residential Siemens load center?
No. The B360 features a bolt-on tab connection designed for commercial distribution equipment, such as Siemens P1 through P5 panelboards. It is not compatible with standard plug-on residential load centers that require Type QP breakers.
Is the Siemens B360 HACR rated?
Yes, this circuit breaker is HACR rated. It is approved for use with heating, air conditioning, and refrigeration equipment to safely handle standard motor starting currents.
Is this circuit breaker 100% rated for continuous loads?
No, the B360 carries a standard 80% continuous duty rating. Per standard electrical codes, continuous loads lasting three hours or longer must not exceed 48 amps (80% of its 60-amp nominal rating).
Are load-side lugs included with this breaker?
Yes, the B360 comes factory-equipped with load-side lugs. These lugs are dual-rated to accept both copper and aluminum conductors sized between 6 AWG and 4 AWG.
What safety standards does this breaker meet?
The B360 is UL 489 listed for use as a branch molded case circuit breaker in commercial and industrial panelboards. It also carries CSA certification.
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Review summary
Customers rate this product 5.0 out of 5 based on 5 reviews.