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Square D HDA36110UO - Molded Case Circuit Breaker 110A 600V 3-Pole

Square D
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Square D HDA36110UO is a PowerPact H-frame molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. This 3-pole unit is rated for 110 amperes at 600 VAC or 250 VDC, with a thermal magnetic trip mechanism providing long-time and instantaneous protection functions. It features an I-Line style plug-in connection, weighs 6 lb, and is constructed for panelboard mounting. The breaker is UL 489, CSA, NEMA, and IEC certified, with an interrupting capacity of 18 kA at 480 VAC. Typical applications include branch circuit protection in manufacturing facilities, commercial buildings, and electrical distribution panels.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HDA
  • Weight: 6 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 VAC / 250 VDC
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 18 kA at 480 VAC
  • Phase: 3
  • Current Rating: 110 A
  • Frame Type: H
  • Interrupt Rating: 25 kA at 240 VAC, 18 kA at 480 VAC, 14 kA at 600 VAC, 20 kA at 250 VDC
  • Frequency: 50/60 Hz
  • Operating Temperature: -13 to 158 degrees F
  • Certifications: UL 489, CSA, NEMA, IEC