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HDA36110UK

Square D
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Square D HDA36110UK is a 3-pole molded case circuit breaker from the Powerpact family, designed for reliable overcurrent protection in industrial power distribution systems. This 110A unit operates at a voltage rating of 600VAC and provides thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions for precise fault response. Weighing 6 lb, the breaker features an I-Line style plug-in connection for secure mounting in compatible panelboards and switchboards, with a compact 3-phase construction. It meets multiple international standards including UL 489, CSA, IEC 60947-3, CE, NOM, NEMA, CCC, and RoHS, ensuring compliance across various regulatory environments. Typical applications include motor control centers, lighting panels, and industrial machinery requiring dependable circuit isolation and protection.

Key Features & Specifications
  • Type: HDA
  • Amperage: 110 A
  • Voltage Rating: 600 VAC
  • Number of Poles: 3
  • Phase: 3
  • Mounting Type: I-Line Style Plug-In
  • Interrupting Rating: 25kA @ 240 VAC, 18kA @ 480 VAC, 14kA @ 600 VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 6 lb
  • Terminal Connection: Line and Load Lug
  • Wire Gauge Range: AWG 14 to AWG 3/0 Aluminum/Copper
  • Certifications: UL 489, CSA, IEC 60947-3, CE, NOM, NEMA, CCC, RoHS
  • Actuator Type: Toggle


Square D HDA36110UK - Molded Case Circuit Breaker 110A 600V