Incorporating modern safety standards, the Siemens MP260GFA is a 60A, two-pole GFCI breaker equipped with an automatic self-test feature. This ensures the 5mA Class A protection remains fully operational for residential and commercial circuits. Designed for seamless integration, this plug-on breaker fits into Murray and Siemens load centers. It utilizes a pigtail neutral and is replaced by the Siemens QF260A. The thermal-magnetic trip unit is rated 10kAIC at 120/240VAC and is HACR rated.
Can I install the MP260GFA in a legacy Murray load center?
Yes. Siemens manufactures the MP series specifically for compatibility with both Murray and Siemens load centers. It serves as a direct, UL-listed replacement for older Murray panels requiring a plug-in GFCI breaker.
What is the Siemens-branded equivalent to the MP260GFA?
The MP260GFA is the Murray-style catalog number. The direct Siemens-branded equivalent is the QPF or QPF2 series 60A 2-pole GFCI breaker, such as catalog number QF260A.
How is the panel neutral connected on the MP260GFA?
This breaker utilizes a pigtail neutral design. The attached white coiled wire must be routed and terminated directly to the neutral bus bar in the load center to power the internal ground fault circuitry.
Where do I connect the load neutral wire for a 120/240V circuit?
For circuits requiring a neutral, the load neutral conductor must be terminated at the dedicated load neutral lug on the breaker itself, not on the panel neutral bus. The breaker pigtail then carries the return current to the panel bus.
Can this 2-pole GFCI breaker protect 120/240V multi-wire branch circuits?
Yes. It can protect 120/240V circuits that utilize a shared neutral. The load neutral must be connected directly to the breaker's load neutral terminal to ensure the GFCI circuitry can accurately monitor the current balance across both phases and the neutral.
What is the ground fault trip threshold for this breaker?
The MP260GFA is a Class A Ground Fault Circuit Interrupter (GFCI). It is calibrated to trip when it detects a ground fault leakage current of 5mA, providing personnel protection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
Thank you so much for sending me a 100 amp breaker that was in the condition that you said it would be in.With out your breaker I would still be in the dark Thank you David