Siemens QRH22B250 Circuit Breaker – QR Series – 250A – 2 Pole – 240VAC – Bolt-On – Thermal Magnetic – 25kAIC

The Siemens QRH22B250 is a QR Series molded case circuit breaker designed for high-capacity power distribution and reliable protection in residential, commercial, and light industrial electrical systems. Rated at 250A and 240VAC, this 2-pole breaker provides a high interrupting capacity of 25kA at 240VAC, making it suitable for systems with elevated fault current levels.

It features a thermal-magnetic trip unit that delivers Long-Time and Instantaneous (LI) protection, ensuring dependable response to both overload and short-circuit conditions. The bolt-on mounting design provides a secure connection in compatible Siemens panelboards and switchboards, while the non-interchangeable trip unit ensures factory-calibrated protection performance.

Specifications

• Brand: Siemens
• Part Number: QRH22B250
• Series: QR Series
• Type: QRH2
• Category: Molded Case Circuit Breaker
• Mounting Type: Bolt-On
• Configuration: 2 Pole
• Phase: 1 Phase
• Protection Type: Thermal Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Trip Unit: Non-Interchangeable
• Standards: CSA Approved

Electrical Ratings

• Current Rating: 250A
• Voltage Rating: 240VAC
• Interrupting Capacity: 25kA @ 240VAC
• Frequency: 50/60 Hz

Construction

• Bolt-on mounting configuration
• Thermal-magnetic trip mechanism
• Molded case construction
• Non-interchangeable trip design
• Load-side lug terminals included
• Common-trip operation

Functions

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

Dimensions & Weight

• Weight: 3.2 lbs

Applications

• Commercial electrical distribution systems
• Industrial panelboards and switchboards
• Feeder and branch circuit protection
• HVAC equipment circuits
• High fault current 240V systems
• Motor and equipment protection

Certifications & Approvals

• CSA Approved

Returns are easy

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

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