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Square D HDA36100UNYP - Molded Case 100A 600V 3-Pole

Square D
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Square D HDA36100UNYP is a 3-pole, 100A molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It operates at a voltage rating of 600VAC with a current rating of 100A, featuring LI (Long-Time and Instantaneous) trip functions and a thermal magnetic protection mechanism. The unit weighs 9 lb, utilizes an I-Line style plug-in connection for panelboard mounting, and is constructed for 3-phase applications. It carries an AIC rating of 18kA at 480V and is UL listed, meeting CSA and CE standards for safety and performance. This breaker is suitable for use in distribution panels, switchboards, and other high-reliability power distribution environments.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Square D
  • Amperage: 100A
  • Number of Poles: 3
  • Voltage Rating: 600VAC
  • Mounting Type: I-Line Plug-In
  • Interrupting Rating: 65kA @ 480VAC
  • Series/Frame: HDA
  • Protection Type: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Phase: 3
  • AIC rating: 18kA@480V
  • Weight: 9 lb
  • Standards: UL Listed, CSA, CE
  • Wire Size: AWG 14 to 3/0 Cu/Al
  • Temperature Rating: -25 to 70°C


Part Number: HDA36100UNYP