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HGF36045

Square D
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Square D HGF36045 is a three-pole, 45A molded case circuit breaker from the Powerpact H family, designed for overcurrent protection in industrial and commercial power distribution systems. It operates at a voltage rating of 600VAC with a 35kA interrupting capacity at 480V and utilizes a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. The unit measures 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth), weighs 3.999 lb, and features a bolt-on connection with busbar terminals, accepting wire sizes from 14 AWG to 3/0 AWG (copper/aluminum). It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM. This circuit breaker is suitable for panelboard and switchboard applications requiring reliable short-circuit and overload protection in three-phase systems.

Key Features & Specifications
  • Type: HGF
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Country of Origin: Mexico
  • Dimensions: 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 3.999 lb
  • Min. Wire Size: 14 AWG (Cu/Al)
  • Max. Wire Size: 3/0 AWG (Cu/Al)
  • Terminal Connection: Busbar Connection
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: H
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Protection: Thermal Magnetic
  • Wire Size: AWG 14...AWG 3/0 aluminium/copper terminal
  • Certification: UL, CSA, NOM
  • AIC rating: 35kA@480V
  • Phase: 3
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Current Rating: 45A
  • Series: PowerPacT H
  • Interrupt Rating: 18kA
  • Mounting Type: Unit Mount
  • Continuous Current Rating: 80%


Square D HGF36045 - Molded Case Circuit Breaker 45A 600V