Siemens HED43B040 - Molded Case Circuit Breaker 40A 480V 3P
Siemens HED43B040 - Molded Case Circuit Breaker 40A 480V 3P

Siemens HED43B040 - Molded Case Circuit Breaker 40A 480V 3P

Siemens
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Siemens HED43B040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 40A current rating and a 480V AC voltage rating, housed within a compact 3" x 6.34" (76.2 mm x 161 mm) frame with a thermal-magnetic trip unit for long-time and instantaneous protection. This breaker is UL Listed and HACR rated, ensuring compliance with industry safety standards for use in commercial and industrial power distribution. It is engineered for integration into Siemens SB switchboards and Sentron panelboards, offering a high interrupting capacity of 42kA at 480V AC for robust system protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Trip Unit, High Interrupting Capacity
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Dimensions: 3 in x 6.34 in (76.2 mm x 161 mm)
  • Weight: 3.699 lb
  • Standards: UL Listed, HACR Rated
  • Applications: Commercial & Industrial Power Distribution in SB Switchboards and Sentron Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • AIC Rating: 42kA @ 480V AC
  • Connection: Lug In Panelboard, Load Side Lug Terminals
  • Protection: Thermal-Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/ED
  • Breaker Type: High Interrupting Capacity
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Wire Size: AWG 10 to 1/0, Copper or Aluminum
  • MCM Size: Minimum 12 AWG (Al) / 14 AWG (Cu), Maximum 10 AWG
  • Phase Connection: ABC
  • Panel Type: SB Switchboards, Sentron Panelboards
  • Certification: HACR Rated, UL Listed
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643210141
  • GTIN: 00783643210141