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Square D HDL36045 - 3P Circuit Breaker 45A 600V 18kAIC

Square D
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Square D HDL36045 is a three-pole molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 45A current rating and a 600V voltage rating, housed within a compact 150A/HD frame with dimensions of 163 mm H x 104 mm W x 86 mm D and a weight of 4.08 lb. The breaker utilizes a thermal-magnetic trip mechanism for long-time and instantaneous (LI) protection, is rated for an interrupting capacity of 18kA at 480V, and operates within a temperature range of -25 to 70 °C. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring suitability for a wide range of commercial and industrial panelboard and switchboard applications where bolt-on connection and copper/aluminum terminations from 14 AWG to 3/0 AWG are required.

Key Features & Specifications
  • Type: Three-pole, thermal-magnetic, molded case circuit breaker with bolt-on connection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Frame Size: 150A/HD
  • AIC Rating: 18kA at 480V AC
  • Poles: 3
  • Connection: Bolt-On
  • Terminal Connection: Line/Load Lug for copper/aluminum wire
  • Wire Size Range: 14 AWG to 3/0 AWG
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Trip Type: Thermal Magnetic
  • Phase: 3
  • Phase Connection: ABC
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Dimensions (H x W x D): 163 mm x 104 mm x 86 mm (6.4 in x 4.09 in x 3.4 in)
  • Weight: 4.08 lb
  • Breaker Type: Standard
  • Family: Powerpact


Product Identification
  • UPC: 785901458876
  • GTIN: 00785901458876