Siemens QF120A 1 Pole Circuit Breaker

The Siemens QF120A 1-Pole Circuit Breaker provides reliable ground fault circuit interrupter (GFCI) protection for residential and light commercial electrical systems. Designed for 20-amp, 120-volt circuits, this breaker protects electrical systems by automatically disconnecting power when ground faults are detected, helping prevent electrical shock hazards and equipment damage.

Built to meet industry safety standards, the QF120A features dependable trip response and durable internal components that ensure consistent protection performance. Its compact design allows easy installation into compatible Siemens load centers, making it suitable for pool equipment, outdoor circuits, and wet-location electrical systems.

This breaker is ideal for enhancing electrical safety in environments where moisture exposure is common.

Siemens QF120A 1-Pole Circuit Breaker Compatibility

• Compatible with Siemens load centers and panelboards
• Suitable for 120V electrical circuits
• Designed for residential and light commercial installations
• Works with pool and spa equipment circuits
• Compatible with ground fault protection applications

Key Features

• Supplied under part number QF120A for exact-match ordering.
• Ships from our US warehouse with tracking on dispatch.

Specifications

• Brand: Siemens
• Manufacturer part number: QF120A
• Category: Pool Maintenance Tools
• Condition: New
• UPC / GTIN: 783643148581
• Shipping weight: 0.75 lb

Frequently Asked Questions

What part number is this pool maintenance tool?

This item is supplied under part number QF120A. Match that number against your equipment's parts diagram before ordering.

How do I confirm this part fits my equipment?

Check the part number stamped on the component you are replacing, or find it on the parts schematic in your owner's manual. If the number differs or is unreadable, send us your equipment model and serial number and we will verify fitment before you order.

How quickly does this ship?

In-stock items ship from our US warehouse on business days. You will receive tracking by email once the order leaves the warehouse.

Can I return it if I ordered the wrong part?

Unopened, uninstalled items can be returned within 30 days. Equipment that has been installed or plumbed cannot be returned, so confirm fitment before installation.

Is this covered by a warranty?

Manufacturer warranty terms vary by brand and product. Warranty claims generally require proof of purchase and, on installed equipment, evidence of professional installation.