Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V
Square D HDL36125 - 3P Circuit Breaker 125A 600V

Square D HDL36125 - 3P Circuit Breaker 125A 600V

Square D
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Square D HDL36125 is a three-pole molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 125A continuous current rating and a 600V AC voltage rating, housed within a compact 150A/HD frame measuring 163 mm H x 104 mm W x 86 mm D and weighing 4.101 lb. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection and is certified to UL, CSA, NEMA, and IEC 60947-2 standards. It is engineered for feed-thru applications in three-phase systems, supporting wire sizes from 14 AWG to 3/0 AWG with an interrupting capacity of 18kA at 480V AC.

Key Features & Specifications
  • Type: Standard, three-pole (3P) molded case circuit breaker with thermal-magnetic protection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Frame Size: 150A/HD
  • AIC Rating: 18kA at 480V AC
  • Connection: Feed-Thru with line/load lug terminals
  • Phase: 3
  • Wire Size: 14 AWG to 3/0 AWG (aluminium/copper)
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Weight: 4.101 lb
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Operating Temperature: -25 to 70 °C (-13 to 158 °F)
  • Trip Functions: LI (Long-time and Instantaneous)
  • Protection Type: Thermal Magnetic
  • Phase Connection: ABC
  • Breaker Type: Standard


Product Identification
  • UPC: 785901955849
  • GTIN: 00785901955849