Siemens HQR22B150 Circuit Breaker – QR Series – 150A – 2 Pole – 240VAC – Thermal Magnetic – Bolt-On

The Siemens HQR22B150 is a QR Series molded case circuit breaker engineered to provide dependable overcurrent and short-circuit protection in commercial, industrial, and power distribution applications. Rated at 150A and 240VAC, this 2-pole breaker is designed for single-phase electrical systems requiring reliable circuit protection and exceptional fault-clearing performance.

Equipped with a thermal magnetic trip unit featuring Long-Time and Instantaneous (LI) protection functions, the HQR22B150 effectively safeguards electrical equipment against overloads and short-circuit conditions. Its very high interrupting capacity of 65kA at 240VAC enables it to safely interrupt substantial fault currents, making it suitable for demanding electrical installations.

The breaker utilizes a bolt-on mounting configuration for secure installation and comes complete with a non-interchangeable trip unit and load-side lug terminals for dependable field wiring connections.

Specifications

• Brand: Siemens
• Part Number: HQR22B150
• Series: QR Series
• Type: HQR2 Molded Case Circuit Breaker
• Category: Molded Case Circuit Breaker
• Mounting Type: Bolt-On
• Connection: Load Side Lug Terminals
• Trip Unit: Non-Interchangeable
• Protection Type: Thermal Magnetic

Electrical Ratings

• Current Rating: 150A
• Voltage Rating: 240VAC
• Number of Poles: 2 Pole
• Phase: 1 Phase
• Interrupting Capacity: 65kA @ 240VAC
• Trip Functions: LI – Long-Time and Instantaneous

Construction

• Compact molded case design
• Bolt-on mounting configuration
• Integrated thermal magnetic trip mechanism
• Non-interchangeable trip unit
• Load-side lug terminal connections
• Very high interrupting capacity design
• Durable construction for commercial and industrial service

Functions

• Overload protection
• Short-circuit protection
• Long-time delay protection
• Instantaneous fault protection
• Circuit switching and isolation

Dimensions

• Height: 7 in
• Width: 3 in
• Depth: 3.39 in
• Weight: 3.19 lbs

Standards

• CSA Approved

Applications

• Commercial electrical distribution systems
• Industrial control panels
• Panelboards and switchboards
• Equipment branch circuit protection
• High fault-current installations
• Single-phase power distribution systems

Returns are easy

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

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