Siemens QN2175H Circuit Breaker – Q Series – 175A – 2 Pole – 240VAC – Plug-In – Thermal Magnetic – 22kAIC

The Siemens QN2175H is a Q Series molded case circuit breaker engineered for high-capacity branch and feeder circuit protection in residential, commercial, and light industrial electrical systems. Rated at 175A and 240VAC, this 2-pole breaker features a high interrupting capacity of 22kA at 240VAC, making it suitable for applications with elevated available fault currents.

Designed with a thermal-magnetic trip mechanism, the QN2175H provides dependable Long-Time and Instantaneous (LI) protection against overloads and short circuits. Its plug-in mounting configuration allows for straightforward installation in compatible Siemens load centers and panelboards while maintaining reliable performance and compliance with UL standards.

Specifications

• Brand: Siemens
• Part Number: QN2175H
• Series: Q Series
• Type: QN
• Category: Molded Case Circuit Breaker
• Mounting Type: Plug-In
• Configuration: 2 Pole
• Phase: 1 Phase
• Protection Type: Thermal Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Standards: UL Listed

Electrical Ratings

• Current Rating: 175A
• Voltage Rating: 240VAC
• Interrupting Capacity: 22kA @ 240VAC
• Frequency: 50/60 Hz

Construction

• Plug-in mounting design
• Thermal-magnetic trip unit
• High interrupting capacity construction
• Molded case housing
• Common-trip operation for simultaneous pole disconnection

Functions

• Overload protection
• Short-circuit protection
• Long-time delay protection
• Instantaneous fault protection
• Simultaneous two-pole tripping

Applications

• Siemens load centers
• Siemens panelboards
• Main and feeder circuit protection
• Commercial electrical distribution
• Industrial power systems
• HVAC equipment circuits
• Large motor and equipment loads

Certifications & Approvals

• UL Listed

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.