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Square D HGL36150U31XAA - Molded Case 150A 600V 3-Pole Breaker

Square D
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Square D HGL36150U31XAA is a PowerPact H Frame molded case circuit breaker engineered for overcurrent protection in industrial and commercial power distribution systems. This three-pole, 150-amp unit operates at a maximum voltage rating of 600 VAC and utilizes a solid-state Micrologic 3.2 electronic trip unit with LI (Long-Time and Instantaneous) protection functions. The breaker features a feed-thru connection, a unit mount design, and weighs 10.27 lb, with an interrupting capacity of 35 kA at 480V. It is UL 489 listed and certified to CSA, IEC, NEMA, and CE standards. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Series/Frame: PowerPact H Frame
  • Amperage: 150 Amp
  • Voltage Rating: 600 VAC
  • Poles: 3 Pole
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Solid State
  • Trip Unit: Micrologic 3.2 Electronic Trip
  • Connection: Feed-Thru
  • Mounting Type: Unit Mount
  • Interrupt Rating: G Interrupt Rating (65 kA @ 240V, 35 kA @ 480V, 18 kA @ 600V)
  • AIC rating: 35kA@480V
  • Weight: 10.27 lb
  • Dimensions: Approx. 6.4 in H x 4.12 in W x 4.36 in D
  • Certifications: UL 489, CSA, IEC, NEMA, CE


Model: HGL36150U31XAA