Built for industrial and commercial distribution, this 15A, 3-pole Siemens BL-type circuit breaker features an integrated 120VAC shunt trip. This factory-installed accessory allows facility managers to remotely open the circuit for emergency shutdowns or automated control. The unit mounts into Siemens P1, P2, P3, P4, and P5 panelboards using a secure bolt-on connection. Rated at 10kAIC at 240VAC, it is HACR certified for air conditioning systems and SWD rated for fluorescent lighting.
Which Siemens panelboards are compatible with the B31500S01 circuit breaker?
The B31500S01 is a bolt-on Type BL circuit breaker designed for use in Siemens P1, P2, P3, P4, and P5 panelboards.
What does the 00S01 suffix indicate on this Siemens BL series breaker?
The 00S01 suffix indicates that the breaker includes a factory-installed 120V AC shunt trip mechanism, allowing for remote tripping of the circuit breaker.
How is the shunt trip on the B31500S01 typically utilized for safety?
The integrated 120V AC shunt trip allows the breaker to be wired to emergency stop buttons, fire alarm relays, or other control circuits to safely disconnect power remotely during an emergency.
What wire sizes are accepted by the lugs on the B31500S01?
The terminal lugs accept 14 to 10 AWG copper wire or 12 to 10 AWG aluminum wire.
What type of trip mechanism does the Siemens B31500S01 use?
It features a thermal-magnetic trip unit with fixed long-time and instantaneous (LI) trip functions for reliable overcurrent and short-circuit protection.
How does the B31500S01 mount into the panelboard?
This is a bolt-on circuit breaker that secures directly to the panelboard bus using a bolted connection, providing a secure mechanical and electrical connection compared to plug-in designs.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 35 reviews.
5.0
Rated 5.0 out of 5 stars
Based on 35 reviews
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Total 5 star reviews: 34
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Total 4 star reviews: 1
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Total 3 star reviews: 0
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Total 2 star reviews: 0
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Total 1 star reviews: 0
Reviews Summary
Generated by AI from 66 most recent customer reviews
Last updated 8/15/25
Customers say these circuit breakers meet their specifications and perform as expected. Many reviews highlight the quick delivery times and competitive pricing. Frequent comments address the reliable product quality and ease of installation. The ordering process receives praise for its simplicity, with users noting consistent product availability.