Siemens QJ23B175 Molded Case Circuit Breaker – 175A – 3-Pole / 3-Phase – 240V – 10kA @ 240V – Bolt-On – QJ2 Series

The Siemens QJ23B175 is a 175A, 3-pole, 3-phase thermal-magnetic molded case circuit breaker from the Siemens QJ Frame, Type QJ2 Series. It is designed for compatible electrical distribution applications and features a standard interrupting capacity of 10kA at 240V.

The breaker uses a bolt-on mounting configuration and is supplied as a complete breaker with a non-interchangeable trip featuring Long-Time and Instantaneous (LI) trip functions. It also includes load-side lug terminals.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: QJ Frame
• Series: QJ2
• Type: QJ2
• Catalog No.: QJ23B175
• Current Rating: 175A
• 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 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): QJ23B175
• Catalog Number: QJ23B175
• Model: QJ23B175
• Product Family: Siemens QJ Frame Circuit Breakers
• Series: QJ2
• Type: QJ2
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 175A
• Trip Configuration: Non-Interchangeable LI Trip
• UPC:783643193796

Compatibility:

Designed for use with compatible Siemens QJ Frame, Type QJ2 electrical distribution equipment that accepts QJ2 Series bolt-on molded case circuit breakers. The QJ23B175 provides 175A, 3-pole thermal-magnetic overcurrent protection for compatible 240V electrical distribution applications.

The breaker is supplied as a complete unit with 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-unit requirements, terminal arrangement, and mounting requirements before installation.

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