Siemens Q12000S01 Circuit Breaker – Q Series – 20A – 2 Pole – 120VAC – Plug-In – Thermal Magnetic – Shunt Trip

The Siemens Q12000S01 is a Q Series molded case circuit breaker designed for residential and light commercial load center applications requiring reliable circuit protection and remote tripping capability. Rated at 20A and 120VAC, this 1-pole plug-in breaker provides dependable protection for standard branch circuits.

This model features a thermal-magnetic trip mechanism with Long-Time and Instantaneous (LI) functions, ensuring effective response to overloads and short-circuit conditions. It also includes a factory-installed 120V shunt trip coil, allowing remote disconnection of the circuit for enhanced safety and control integration.

Specifications

• Brand: Siemens
• Part Number: Q12000S01
• Series: Q Series
• Category: Residential / Light Commercial Circuit Breaker
• Mounting Type: Plug-In (Load Center Compatible)
• Configuration: 1 Pole
• Phase: 1 Phase
• Protection Type: Thermal Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Special Feature: 120V Shunt Trip
• Standard: UL 489

Electrical Ratings

• Current Rating: 20A
• Voltage Rating: 120VAC
• Interrupting Capacity: 10 kA @ 120VAC
• Application: Residential and light commercial branch circuits

Construction

• Compact molded case design
• Plug-in mounting for Siemens Q Series load centers
• Integrated thermal-magnetic trip unit
• Factory-installed 120V shunt trip coil
• Durable insulated housing

Functions

• Overload protection
• Short-circuit protection
• Remote trip capability (shunt trip)
• Circuit isolation and switching

Dimensions

• Net Weight: 0.551 lb

Applications

• Residential load centers
• Lighting and receptacle circuits
• HVAC control and safety shutdown circuits
• Emergency remote disconnect system

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.