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Siemens E43A003 - 3-Pole Molded Case Breaker 3A 480V

Siemens
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Siemens E43A003 is a 3-pole molded case circuit breaker from the E Series family, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 480V AC, 3A continuous current, and 18kA interrupting capacity at 480V, with a bolt-on connection for secure panel mounting. The unit weighs 3 lb and features a compact frame construction suitable for 3-phase applications. It complies with industry standards for molded case breakers, ensuring reliable overcurrent protection. Typical applications include motor control centers, panelboards, and switchgear requiring precise short-circuit protection without thermal delay.

Key Features & Specifications
  • Type: Molded Case, E Series, Magnetic Only
  • Voltage Rating: 480V AC
  • Current Rating: 3A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only (Instantaneous)
  • AIC Rating: 18kA @ 480V
  • Phase: 3
  • Functions: I - Instantaneous
  • Weight: 3 lb
  • Standards: Industry standard molded case breaker compliance
  • Applications: Motor control centers, panelboards, switchgear


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