Siemens QR23B125 Molded Case Circuit Breaker – 125A – 3-Pole / 3-Phase – 240V – 10kA @ 240V – Bolt-On – QR Series QR2

The Siemens QR23B125 is a 125A, 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 QR23B125 is rated for 240V and provides a 10kA interrupting rating at 240V with standard interrupting capacity. It uses a bolt-on connection 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.: QR23B125
• Current Rating: 125A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 240V
• Interrupting Rating: 10kA @ 240V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Type: Non-Interchangeable
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting / Connection: Bolt-On
• Terminal Type: Load-Side Lug Terminals
• Application: Electrical Distribution and Overcurrent Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN): QR23B125
• Catalog Number: QR23B125
• Model: QR23B125
• Product Family: Siemens QR Series Circuit Breakers
• Series: QR
• Type: QR2
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 125A
• UPC:804766136634

Compatibility:

Designed for use with compatible Siemens QR Series Type QR2 electrical distribution equipment that accepts bolt-on molded case circuit breakers. The QR23B125 provides 125A, 3-pole thermal-magnetic overcurrent protection for compatible 240V applications.

The breaker features 10kA interrupting capacity at 240V, a non-interchangeable LI trip, 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 requirements, terminal arrangement, and installation specifications before installation.

Certifications:

• Siemens QR Series
• QR2 Type
• 125A Rated
• 3-Pole / 3-Phase
• 240V Rated
• 10kA @ 240V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Non-Interchangeable Trip
• Long-Time and Instantaneous (LI) Trip
• Bolt-On Connection
• Load-Side Lug Terminals

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

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