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Square D HGL36045 - 45A 3P Molded Case Circuit Breaker

Square D
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Square D HGL36045 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 45A current rating and a 600V AC voltage rating, housed within a compact 163 mm x 104 mm x 86 mm (HxWxD) frame with a bolt-on connection for secure installation. The breaker complies with UL, CSA, NEMA, and IEC 60947-2 standards and is built for operation in temperatures from -25°C to 70°C. Its thermal-magnetic protection with long-time and instantaneous (LI) tripping functions makes it suitable for protecting feeders and branch circuits in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Standard thermal-magnetic molded case circuit breaker with bolt-on connection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, panelboard protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Shipping Dimensions: As per product dimensions
  • Phase: 3
  • Voltage: 600V
  • Amperage: 45A
  • AIC rating: 35kA at 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: 150A/HG
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Standard
  • Wire Size: 14 AWG to 3/0 AWG (aluminium/copper terminal)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • Terminal Connection: Line/Load Lug
  • MCM Size: Min. 14 AWG, Max. 3 AWG
  • Weight: 4.145 lb


Product Identification
  • UPC: 785901683117
  • GTIN: 00785901683117