Siemens QF250A 50 Amp 2 Pole GFCI Circuit Breaker

50 A 2-Pole QF GFCI Circuit Breaker, 120/240 V

SKU: QF250  |  MPN: QF250A  |  Brand: Siemens

• Provides Class A ground-fault protection (~5 mA trip sensitivity) for wet, spa, or outdoor circuits.
• Two-pole, plug-in design suitable for Siemens Q / QP load centers.
• Rated to handle short-circuit current up to 10,000 amps (10 kAIC).
• Thermal-magnetic trip mechanism for both overload and instantaneous fault protection.
• UL / CSA listed and built to Type QF / QPF2 standards.

Technical Specifications

Overview

The Siemens QF250A is a 50-amp, 2-pole GFCI breaker built to protect both legs of a 120/240 V circuit. It offers ground-fault protection at ~5 mA, with a thermal-magnetic trip design to handle both overloads and instantaneous faults. Designed for Siemens Q / QP panels, this breaker is suitable for high-demand wet or spa installations, pool equipment, or other locations where both high amperage and safety are required.

What’s Included

• Siemens QF250A GFCI breaker unit
• Installation and safety documentation

Compatibility & Replacements

Compatible with Siemens Q / QP family load centers. Replaces existing Siemens 50 A 2-pole GFCI breakers in the QF series (QPF2). Ensure panel is rated for this size and accepts plug-in GFCI breakers.

Installation & Notes

• Ensure panel slots accommodate 2-pole, 50A plug-in GFCI breakers of this physical size.
• Use wiring #8-6 AWG per code and Siemens’ specifications; terminals should be torqued as per manufacturer guidance.
• Test the ground fault protection at installation and periodically to ensure proper function.
• Must be installed by a qualified electrician, following NEC or local electrical code requirements for GFCI protection.

Shipping & Returns

Ships from the USA. 30-day returns; customer pays return shipping. Please see our Shipping & Returns policy for details.