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Square D BDA24040Y2 - Molded Case Circuit Breaker 40A 480V

Square D
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The Square D BDA24040Y2 is a 2-pole molded case circuit breaker from Schneider Electric, designed to provide overcurrent protection through its thermal-magnetic trip mechanism. It is rated for 40A at 480Y/277VAC with an 18kAIC interrupting capacity at 480V, and it supports wire sizes from AWG 14 to AWG 2/0 in aluminum or copper. This unit measures 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) and weighs 1.9 lb, featuring an I-Line style plug-in connection for secure panel mounting. It complies with UL 489, EN/IEC 60947-2, GB 14048.2, NMX J-266, CSA C22.2 No 5, NEMA AB1, and EN/IEC 60947-5-1, with certifications including UL, IEC, CCC, EAC, CSA, and NOM. Typical applications include industrial power distribution systems requiring reliable long-time and instantaneous trip functions.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, thermal magnetic protection
  • Voltage Rating: 480Y/277VAC
  • Current Rating: 40A
  • Dimensions: 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Weight: 1.9 lb
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • AIC Rating: 18kAIC@480V
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Standards: UL 489, EN/IEC 60947-2, GB 14048.2, NMX J-266, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-5-1
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Country of Origin: Mexico


Product Identification
  • GTIN: 3.60648E+12