Siemens B215GFHH molded case circuit breaker is rated 15A and 120/240VAC with 2 poles and a 65kA interrupting rating at 120/240VAC. It features GFCI protection and a Thermal Magnetic trip with fixed thermal and fixed magnetic trip adjustability. Trip functions are Long-time and Instantaneous. This 1-phase breaker has Bolt-On mounting, a Bolt-On terminal connection and a Pigtail Neutral connection. It belongs to the HBLFB series and BL family, with RoHS and REACh standards.
What does the 15A rating mean for the Siemens B215GFHH?
The 15A rated current guides selection for the circuit load and conductor ampacity. Apply the applicable circuit-sizing rules when checking both.
What circuit configuration is the B215GFHH rated for?
This is a two-pole breaker rated for single-phase, 120/240VAC circuits. Select it according to the circuit voltage and the number of conductors requiring overcurrent protection.
How do I check whether its interrupting rating is adequate?
Compare the available fault current at the installation point with the breaker's 65kA interrupting rating at 120/240VAC. Available fault current must not exceed that rating.
What does the GFCI protection do?
GFCI protection detects an imbalance between outgoing and returning current and interrupts the circuit to reduce electric-shock risk. Choose this feature when the circuit requires ground-fault protection for personnel.
How does the pigtail neutral affect installation?
The pigtail neutral requires a connection to the system neutral. Account for routing and terminating that lead when planning the breaker wiring.
How is the B215GFHH mounted and connected?
It uses bolt-on mounting and bolt-on terminal connections. Plan the installation around fastening the breaker and making bolted electrical connections.
How does its thermal-magnetic trip work, and can I adjust it?
The thermal element provides long-time overload protection, while the magnetic element provides instantaneous response to high fault current. Both are fixed, so select the breaker for the circuit rather than planning to adjust its trip settings.
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