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Square D HDL36040C - Molded Case Circuit Breaker 40A 600V 3P

Square D
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Square D HDL36040C 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 40A current rating and a 600V voltage rating, housed within a compact H-frame measuring 163 mm x 104 mm x 86 mm (HxWxD) and weighing 4.9 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, is certified to UL, CSA, and NOM standards, and complies with IEC 60947-2. Its 18kA interrupting capacity at 480V and feed-thru connection make it suitable for panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time & Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 6.4 in H x 4.09 in W x 3.4 in D (163 mm x 104 mm x 86 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Phase: 3
  • AIC Rating: 18kA @ 480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: H Frame
  • Wire Size: AWG 14 to AWG 3/0 (Aluminium/Copper Terminal)
  • Certification: UL, CSA, NOM
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Weight: 4.9 lb


Product Identification
  • UPC: 785901633846
  • GTIN: 00785901633846