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Square D HDF36050 - Molded Case Circuit Breaker 50A 600V 3-Pole

Square D
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Square D HDF36050 is a 3-pole, 50-amp molded case circuit breaker from the PowerPact H-Frame family, designed for thermal magnetic protection against overcurrent and short circuits in industrial and commercial power distribution systems. It operates at a voltage rating of 600V with an interrupting capacity of 18kA at 480VAC, utilizing LI (Long-Time and Instantaneous) trip functions for precise protection. The unit measures 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) and weighs 4.189 lb, featuring a bolt-on connection with busbar terminals and 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 breaker is suited for panelboards and distribution equipment in industrial environments requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: HDF
  • Family: Powerpact
  • Frame Size: H
  • Poles: 3
  • Phase: 3
  • Current Rating: 50A
  • Voltage Rating: 600V
  • AIC rating: 18kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Terminal Connection: Busbar Connection
  • Wire Size: AWG 14...AWG 3/0 aluminium/copper terminal
  • Dimensions: 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 4.189 lb
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 785901634539
  • GTIN: 00785901634539