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Siemens ED43B125L - Molded Case Breaker 125A 480V 3P

Siemens
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Siemens ED43B125L is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 125A continuous current rating and a 480V AC voltage rating, housed within a compact ED frame with dimensions of 6.693" x 5.906" x 3.967" (170mm x 150mm x 100.8mm) and a weight of 3.915 lb. The breaker is constructed for feed-thru connection and utilizes a thermal-magnetic trip unit offering both long-time and instantaneous trip functions, ensuring compliance with UL and IEC standards. It is engineered for demanding environments with an operational temperature range of -25°C to 70°C and is typically applied in panelboards, switchboards, and industrial control panels where an 18kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 125A
  • Dimensions: 6.693" H x 5.906" W x 3.967" D (170mm x 150mm x 100.8mm)
  • Standards: UL Listed, IEC
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: ED Frame
  • Trip Type: Thermal-Magnetic
  • AIC rating: 18kA @ 480V
  • Phase: 3
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Wire Size: AWG 3 to 3/0 (Copper), AWG 1 to 2/0 (Aluminum)
  • Weight: 3.915 lb
  • Family: Sentron Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 078364323625
  • GTIN: 00783643236257