The Q230GFHH is a 2-pole, 30-amp miniature circuit breaker from Siemens, delivering Class A (5mA) ground fault protection. It features a thermal-magnetic trip mechanism and includes a pigtail neutral for reliable installation. Mounts into compatible Siemens EQ, Ultimate, and ES series load centers using a standard plug-on connection. Rated at a high 65 kAIC, this GFCI breaker is ideal for demanding residential and commercial applications requiring enhanced short-circuit protection.
Which electrical panels are compatible with the Siemens Q230GFHH breaker?
It is designed for use in Siemens EQ, Ultimate, and ES series load centers that accept QP-frame plug-on breakers. It is not interchangeable with other brands.
What does the HH suffix in the Q230GFHH catalog number indicate?
The HH designates a high interrupting rating of 65kAIC at 120/240VAC, placing it in the HQPF series. Standard QPF breakers have a 10kAIC rating, while QPFH models are rated for 22kAIC.
How is the neutral connection handled during installation?
The breaker features a coiled pigtail neutral wire that must be connected directly to the panel neutral bus bar. The load neutral wire, if present, connects to the designated neutral lug on the breaker itself.
Can this breaker protect 240V loads that do not use a neutral wire?
Yes, it can protect straight 240V loads. The breaker pigtail must still be connected to the panel neutral bus to power the internal GFCI electronics, but the load neutral terminal on the breaker can simply be left empty.
What level of ground fault protection does this breaker provide?
It delivers Class A ground fault protection, designed to trip when a ground fault of 5mA is detected to protect personnel from electrical shock.
Does the Q230GFHH include arc fault protection?
No, this is a dedicated Ground Fault Circuit Interrupter (GFCI). It does not provide arc fault (AFCI) protection.
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