Siemens QR23B150 Molded Case Circuit Breaker – 150A – 3-Pole / 3-Phase – 240V – 10kA @ 240V – Bolt-On – QR2 Series

The Siemens QR23B150 is a 150A, 3-pole, 3-phase molded case circuit breaker from the Siemens QR Series, Type QR2. It features thermal-magnetic protection with Long-Time and Instantaneous (LI) trip functions and a non-interchangeable trip.

The breaker is rated for 240V and provides a 10kA interrupting rating at 240V with standard interrupting capacity. It uses a bolt-on mounting configuration, is supplied as a complete breaker, and includes load-side lug terminals.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: QR Series
• Series: QR
• Type: QR2
• Catalog No.: QR23B150
• Current Rating: 150A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 240V
• Interrupting Rating: 10kA @ 240V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Unit: Non-Interchangeable
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Bolt-On
• Breaker Configuration: Complete Breaker
• Terminal Type: Load-Side Lug Terminals
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Siemens

Part Numbers & Identification:

• Manufacturer Part Number (MPN): QR23B150
• Catalog Number: QR23B150
• Model: QR23B150
• Product Family: Siemens QR Circuit Breakers
• Series: QR
• Type: QR2
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 150A
• Trip Configuration: Non-Interchangeable LI Trip
• UPC:804766136641

Compatibility:

Designed for use with compatible Siemens QR Series Type QR2 electrical distribution equipment that accepts QR2 Series bolt-on molded case circuit breakers. The QR23B150 provides 150A, 3-pole thermal-magnetic overcurrent protection for compatible 240V electrical distribution applications.

The breaker features a non-interchangeable LI trip, bolt-on mounting, and load-side lug terminals. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, trip-unit requirements, terminal arrangement, mounting configuration, and installation specifications before installation.

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You may return items within 10 days of delivery for a refund.

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