Part of the BL series, the Siemens BF115AH is a 1-pole, 15A ground fault circuit breaker built for demanding commercial environments. It ensures NEC compliance for wet locations by delivering 5mA Class A protection with an automated self-test function. This bolt-on unit is designed to fit Siemens P1, P2, and P3 panelboards, serving as a substitute for the BF115H. The standout feature is its high interrupting capacity of 22kAIC at 120VAC, offering superior defense against severe fault currents.
Which panelboards are compatible with the Siemens BF115AH circuit breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards.
What class of ground fault protection does the BF115AH provide?
It delivers Class A ground fault protection, which is designed to trip when a current imbalance of 4 to 6 milliamps is detected to protect personnel.
How is the neutral connection handled on this GFCI breaker?
It features a pigtail neutral wire that must be connected directly to the panel neutral bar for the ground fault circuitry to function correctly.
Does this GFCI breaker include an automated self-test function?
Yes, it includes a self-test and lockout feature that continuously monitors the internal electronics to ensure the ground fault protection remains active, complying with UL 943 standards.
What does the BLHF2 type designation indicate?
BLHF2 is the Siemens classification for a 1-pole, bolt-on GFCI breaker with a high interrupting rating of 22kAIC, distinguishing it from standard 10kAIC BLF2 models.
What wire sizes are accepted by the load side lugs?
The load terminals accommodate 14 to 10 AWG copper wire or 12 to 10 AWG aluminum wire.
Can this 1-pole GFCI breaker be used on a 3-phase system?
It can be installed on the 120V portion of a 208Y/120V or 240/120V 3-phase, 4-wire system, provided it is used for a single-phase circuit rated 120V to ground.
What applications require the 22kAIC rating of the BF115AH?
The 22kAIC high interrupting capacity is required in commercial or industrial environments where the available fault current exceeds the standard 10kAIC threshold, ensuring safe clearing of severe short circuits.
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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 4 star reviews: 1
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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.