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Siemens HQJ23B150H - Molded Case Circuit Breaker 150A 3P 240V

Siemens
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Siemens HQJ23B150H is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 150A thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions, rated for 240V AC systems with a 100kA interrupting capacity. The three-pole, bolt-on construction in a compact QJ frame ensures robust mechanical integration into panelboards and switchgear, weighing 4 lb for handling efficiency. This breaker complies with relevant UL and IEC standards for industrial safety and performance. Typical applications include protecting feeders, motors, and distribution circuits in manufacturing plants, data centers, and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Dimensions: QJ Frame Size
  • Standards: UL 489, IEC 60947-2
  • Applications: Industrial Feeder & Motor Protection, Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Phase: 3-Phase
  • AIC Rating: 100kA @ 240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time & Instantaneous)
  • Frame Size: QJ
  • Weight: 4 lb


Product Identification
  • Manufacturer Part Number: HQJ23B150H
  • Family/Type: Siemens QJ Frame, HQJ2H