Siemens QF250A 50A GFCI Breaker, 2-Pole, 240V, 10,000 AIC – UL Listed Class A

Overview

The Siemens QF250A is a 50 amp, 2-pole GFCI circuit breaker designed for residential and light commercial use. It delivers reliable ground fault protection at 240V and carries a robust 10,000 AIC interrupting rating. This unit is compatible with Siemens load centers that accept QPF type breakers and is UL Listed and CSA Certified as a Class A device.

A standout feature is its self-test capability. Running automatically and continuously, it verifies proper operation in line with UL 943 requirements. If a condition is detected that could compromise safety, the breaker trips itself and locks out, helping prevent an unsafe reset and giving you a clearer signal that attention is needed.

Core benefits

• Double pole, 50 A protection supports larger circuits with high current demand
• 10,000 AIC interrupting rating for strong fault current handling
• Self-test functionality aligns with UL 943 safety standards
• Lockout feature reduces the risk of unsafe resets after a fault is detected
• Class A GFCI protection for reliable ground fault detection

Key specifications

• Voltage: 240 V
• Current: 50 A, 2-pole
• Interrupting rating: 10,000 AIC
• GFCI type: QPF2 class, Class A protection
• Self-test and lockout as part of safety features

Real world applications

Ideal for kitchens, bathrooms, spas, hot tubs, and other spaces where moisture or complex circuits benefit from ground fault protection. The unit’s sturdy design makes it suitable for a range of construction projects, from remodeling to new installations, ensuring a consistent layer of protection across multiple circuits.

Installation and compatibility

The QF250A works with Siemens load centers rated to accept QPF breakers. Note that a load neutral is not required on the circuit, but the white line neutral (pigtail) must be connected to the panel neutral for the device to function. When wiring, verify parity with the panel’s specifications and local electrical codes to ensure safe, compliant installation.

For improved safety and reliability, pair this breaker with a compatible Siemens panel and follow manufacturer guidelines during installation. While a neutral is not required for operation, proper neutral connections help maintain circuit integrity and protection accuracy across connected devices.