Siemens QF1B015 15A 1-Pole 120 V Circuit Breaker

Meet the Siemens QF1B015 15A 1-Pole 120 V Circuit Breaker — a compact, reliable protective device engineered for residential electrical panels that accept QF-type breakers. Part number QF1B015. This single-pole, 15-amp breaker is designed to guard a single 120-volt branch circuit, automatically interrupting power when an overload or short occurs to reduce fire risk and prevent damage to wiring and devices.

Key specifications

• Current rating: 15 A
• Poles: 1
• Voltage rating: 120 V
• Part number: QF1B015
• Family: Siemens QF

Why it's the right choice

Designed for reliability in standard 120V residential circuits, this QF1B015 fits Siemens panels that accept QF-type breakers, making it a precise replacement or addition without unnecessary bulk. Its single-pole configuration is ideal for protecting lighting runs, individual outlets, or small-appliance circuits where dedicated protection is required.

Use cases

• Replacing a failed breaker in a Siemens panel that accepts QF-type devices.
• Adding protection for a new 120V lighting or outlet circuit in a home, apartment, or workshop.
• Upgrading from an older style to a compatible QF single-pole 15A solution for consistent protection.

Installation and safety tips

1. Power down the main breaker and verify no voltage is present in the panel before handling breakers.
2. Remove the panel cover and locate a compatible slot for a QF-type breaker.
3. Insert the QF1B015 firmly into the bus and snap it into place, ensuring a secure connection.
4. Restore power and test the protected circuit with a suitable load to confirm proper operation.

Note: Always follow local electrical codes and consult a licensed electrician if you’re unsure about panel compatibility or installation. The Siemens QF1B015 is intended for use in panels that specify QF-type breakers and should be installed by qualified personnel for safety and compliance.