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Square D HGL26125 - Molded Case Circuit Breaker 125A 600V 2-Pole

Square D
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The Square D HGL26125 is a two-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for single-phase electrical systems. It features a 125A current rating and a 600V voltage rating, with a 35kA interrupting capacity at 480V for robust fault protection. The breaker's compact dimensions of 163 mm H x 104 mm W x 86 mm D and 3.001 lb weight house a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection functions. It is constructed with bolt-on connections and line/load lugs compatible with wire sizes from 14 AWG to 3/0 AWG, and it complies with UL, CSA, NEMA, and IEC 60947-2 standards. This breaker is typically applied in industrial and commercial power distribution panels, switchboards, and motor control centers where dependable circuit protection is required.

Key Features & Specifications
  • Type: Two-pole, molded case, thermal-magnetic circuit breaker with bolt-on connection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 6.4 in (163 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • Weight: 3.001 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial and commercial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: Standard
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Phase: 1
  • AIC Rating: 35kA @ 480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: 150A/HG
  • Breaker Type: Standard
  • Wire Size: AWG 14 to AWG 3/0 (aluminium/copper terminal)
  • Certification: UL, CSA, NOM
  • Terminal Connection: Line/Load Lug
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 3 AWG
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901598848
  • GTIN: 00785901598848