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Square D BGA161251 - 125A Circuit Breaker, 600V, 1-Pole

Square D
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Square D BGA161251 is a single-pole, 125A molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a thermal-magnetic trip unit providing both long-time and instantaneous (LI) protection functions within a compact 125A/BG frame. The breaker utilizes an I-Line style plug-in connection on the line side and an aluminum mechanical lug termination on the load end, accommodating wire sizes from 14 AWG to 2/0 AWG for copper or aluminum conductors. It is engineered for compliance with major international standards including UL 489, CSA, and IEC 60947-2, and is rated for operation in ambient temperatures from -25°C to 70°C (-13°F to 158°F). This standard breaker is typically applied in electrical distribution equipment and industrial control panels requiring a 65kA interrupting capacity at 240V AC.

Key Features & Specifications
  • Type: BGA, Standard, Molded Case Circuit Breaker with Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Frame Size: 125A/BG
  • Poles: 1
  • Phase: 1
  • Phase Connection: A
  • AIC Rating: 65kA @ 240V AC
  • Connection: I-Line Style Plug-In (ON End), Al Mechanical Lug (OFF End)
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous) Functions
  • Wire Size: 14 AWG to 2/0 AWG (Aluminum/Copper)
  • MCM Size: Min. 14 AWG, Max. 2 AWG
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Dimensions: 1.06 in x 5.39 in
  • Weight: 1 lb
  • Standards: UL 489, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-2, EN/IEC 60947-5-1, GB 14048.2, NMX J-266
  • Certification: UL 489, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-2, EN/IEC 60947-5-1, GB 14048.2, NMX J-266
  • Panel Type: Electrical Distribution Equipment, Industrial Control Panels
  • Breaker Type: Standard
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901009191
  • GTIN: 03606489506346