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Square D HDA260502 - Molded Case Circuit Breaker 50A 2-Pole

Square D
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Square D HDA260502 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 50A current rating and a 600V AC voltage rating, housed within a compact H-frame design measuring 163 mm H x 104 mm W x 86 mm D and weighing 4.167 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection and is constructed for plug-in connection to I-Line panelboards with lug terminals, accepting conductors from 14 AWG to 3/0 AWG. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is typically applied in commercial and industrial facilities requiring an 18kA interrupting capacity at 480V AC in single-phase applications, operating within an ambient temperature range of -2 to 70 °C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: 6.4 in (163 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboard Protection
  • Configuration: 2-Pole
  • Phase: 1
  • AIC Rating: 18kA @ 480V AC
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: H
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Wire Size: 14 AWG to 3/0 AWG (Copper/Aluminum)
  • Certification: UL, CSA, NOM
  • Phase Connection: AC
  • MCM Size: Min. 14 AWG, Max. 3/0 AWG (Cu/Al)
  • Terminal Connection: I-Line, Lug
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901632542
  • GTIN: 00785901632542