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Square D HGA261251 - Molded Case Circuit Breaker 125A 600V

Square D
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Square D HGA261251 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 125A current rating and a 600V voltage rating, housed within a compact 163 mm x 104 mm x 86 mm (HxWxD) frame with a 150A/HG frame size and lug terminal connections. This thermal-magnetic breaker complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring safe operation across a temperature range of -2 to 70 °C. Its plug-in design is specifically engineered for I-Line panelboards, offering a 35kA interrupting capacity at 480V for robust protection in single-phase AB configurations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Type
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial and Commercial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 1
  • AIC Rating: 35kA @ 480V
  • Connection: Plug In Panelboard, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: 150A/HG
  • Panel Type: I Line Panelboards
  • Breaker Type: Standard
  • Phase Connection: AB
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 3 AWG
  • Wire Size: AWG 14 to AWG 3/0 (aluminium/copper terminal)
  • Certification: UL, CSA, NOM
  • Weight: 3.001 lb
  • Country of Origin: United States
  • Family: Powerpact


Product Identification
  • UPC: 785901539889
  • GTIN: 00785901539889