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Siemens QJ23B125HL - Molded Case 125A 240V 3-Pole

Siemens
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Siemens QJ23B125HL is a 3-pole molded case circuit breaker from the QJ Frame family, designed to provide thermal-magnetic protection with LI (Long-Time and Instantaneous) functions for commercial and industrial power distribution systems. Rated at 240V and 125A, this 3-phase breaker delivers an interrupting capacity of 42kA at 240V and features a feed-thru connection with a bolt-on mounting configuration. The unit weighs 4 lb and is constructed as a QJ2H type with a non-interchangeable trip unit, ensuring robust performance in low-voltage applications. It is HACR rated for use with heating, air conditioning, and refrigeration equipment, complying with industry standards for reliable overcurrent protection. Typical applications include branch circuit protection in commercial buildings, industrial control panels, and HVAC systems.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: QJ Frame
  • Type: QJ2H
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 42kA@240V
  • Phase: 3
  • Current Rating: 125A
  • Part Number: QJ23B125HL
  • Series/Frame: QJ
  • Mounting: Bolt-On
  • Connection: Non-Interchangeable Trip
  • Certification: HACR Rated