Siemens QF125 25A 1-Pole 120 V Circuit Breaker Potential Transformer

Meet the Siemens QF125 25A 1-Pole 120 V Circuit Breaker — a compact, dependable overcurrent protection device designed to safeguard your 120-volt circuits. Part Number QF125, this single-pole breaker is built for quick, reliable installation in compatible Siemens load centers and panels that support QF-series breakers.

Why it matters: protecting wiring from overloads and short circuits is essential for safety and reliability. The QF125 delivers consistent performance up to 25 amps, interrupting fault currents to help prevent damage to appliances, outlets, and wiring. Its 1-pole design makes it ideal for dedicated 120V circuits such as lighting, receptacles, or small-appliance runs in homes or light commercial environments.

• Part Number: QF125
• Current rating: 25 A
• Poles: 1
• Voltage rating: 120 V
• Type: Circuit Breaker (Siemens QF-series)

Ideal applications

• Residential and small-business panels that support QF-type breakers
• 120V branch circuits for lighting and outlets
• Replacement for worn or failed 1-pole breakers in compatible Siemens panels

Installation and compatibility tips

• Verify panel compatibility: the QF125 is designed for Siemens panels that accept QF-series breakers.
• Confirm the circuit’s amperage and wire gauge before replacement to ensure a proper fit and safe operation.
• With power off, remove the old breaker and install the QF125 according to your panel’s instructions for a secure, reliable connection.
• Keep a spare QF125 on hand for quick maintenance and reduced downtime.

Why choose Siemens QF125

• Siemens engineering provides consistent protection characteristics and dependable performance across standard 120V circuits.
• The 25A, 1-pole configuration offers a precise, targeted solution for appropriately rated branch circuits.
• Widely compatible with Siemens panels that support QF-series breakers, making replacements straightforward and available when you need them.

Add the Siemens QF125 25A 1-Pole 120 V Circuit Breaker to your electrical panel lineup to ensure safe, reliable protection for your 120V circuits with trusted Siemens reliability.