Engineered for commercial applications, the Siemens B215H is a 2-pole, 15A molded case circuit breaker from the BLH series. It provides reliable thermal-magnetic protection with long-time and instantaneous trip functions. This bolt-on breaker installs into Siemens P1 through P5 panelboards. It also serves as a direct substitute for BAB2015H and QOB215VH models, offering flexible integration into existing systems. The unit features a 22kAIC interrupting capacity at 240VAC and is HACR rated.
Which panelboards are compatible with the Siemens B215H circuit breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, P3, P4, and P5 commercial panelboards. It will not fit in standard residential plug-on load centers.
What is the difference between the Siemens BL and BLH series breakers?
The primary difference is the short-circuit interrupting rating. Standard BL series breakers are rated for 10kAIC, whereas the BLH series, including the B215H, provides a higher interrupting capacity of 22kAIC at 120/240VAC.
What wire sizes are accepted by the terminals on the B215H?
The load lugs on this 15-amp breaker accept 14 to 10 AWG copper conductors or 12 to 10 AWG aluminum conductors.
Is the Siemens B215H a plug-on or bolt-on breaker?
The B215H is a bolt-on circuit breaker. It physically bolts onto the panelboard bus bars, providing a secure, vibration-resistant connection typical for commercial and industrial environments.
What type of protection does the B215H provide?
It features a fixed thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions. The thermal element protects against sustained overloads, while the magnetic element trips instantly during a short circuit.
Can the B215H be used in older ITE panelboards?
Yes, Siemens manufactures the B215H as a direct replacement for legacy 15-amp, 2-pole, 22kAIC bolt-on breakers originally made by ITE and Gould for compatible panelboards.
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