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Square D HDA260401 - Molded Case Circuit Breaker 40A 600V 2-Pole

Square D
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Square D HDA260401 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 40A current rating and a 600V voltage rating, housed within a compact H-frame measuring 163 mm H x 104 mm W x 86 mm D and weighing 3.001 lb. This thermal-magnetic breaker is constructed for I-Line style plug-in connection with lug terminals, supporting wire sizes from 14 AWG to 3/0 AWG for both copper and aluminum conductors. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is typically applied in commercial and industrial panelboards requiring a 2-pole, single-phase AB configuration with an interrupting capacity of 18kA at 480V AC.

Key Features & Specifications
  • Type: HDA Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • 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, Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • 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
  • 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)
  • Mounting: Plug-In
  • Hz: 50/60 Hz
  • Wire Size: AWG 14...AWG 3/0 aluminium/copper terminal
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line, Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: AB
  • Compatible Frames: I-Line
  • Installation Type: Plug-In
  • Breaker Frame: H
  • Current Rating: 40A
  • Operating Temperature Maximum Celsius: 70 °C


Product Identification
  • UPC: 785901419013
  • GTIN: 00785901419013