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Square D HDA260402 - Molded Case Circuit Breaker 40A 600V 2-Pole

Square D
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Square D HDA260402 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact H-frame measuring 163 mm x 104 mm x 86 mm (HxWxD) and weighing 4.17 lb. The breaker utilizes a thermal-magnetic trip mechanism for long-time and instantaneous (LI) protection and is engineered to comply with UL, CSA, NEMA, NOM, and IEC 60947-2 standards. Its I-Line style plug-in connection and lug terminals facilitate installation in panelboards for typical applications like motor control and feeder protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (HxWxD)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Motor Control, Feeder Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Shipping Dimensions: As Product Dimensions
  • Phase: 1
  • Voltage: 600V
  • Amperage: 40A
  • AIC rating: 18kA @ 480V
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: H
  • Trip Type: Thermal-Magnetic
  • Panel Type: Compatible with I-Line Panelboards
  • Breaker Type: Molded Case
  • MCM Size: Min. Wire Size 14 AWG (Cu/Al), Max. Wire Size 3/0 AWG (Cu/Al)
  • Wire Size: AWG 14 to AWG 3/0 (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Phase Connection: AC
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Lug
  • Frequency Rating: Standard 50/60 Hz
  • Standards: UL 489, CSA C22.2 No. 5, IEC 60947-2
  • Compatible Frames: I-Line Panelboards
  • Installation Type: Plug-In Mount
  • Breaker Frame: H-Frame
  • Current Rating: 40A
  • Operating Temperature Maximum Celsius: 70 °C


Product Identification
  • UPC: 785901632498
  • GTIN: 00785901632498