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Siemens EH3A050 - Molded Case Breaker 50A 480V 3-Pole

Siemens
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Siemens EH3A050 is a 3-pole molded case circuit breaker designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 50 amps at 480 volts AC with a 14kA interrupting capacity at 480V, ensuring reliable fault interruption for motor and equipment circuits. The unit weighs 8 lb and features a bolt-on connection for secure panel mounting, with a compact molded case construction suited for three-phase applications. This breaker complies with industry standards for overcurrent protection in commercial and industrial environments. Typical applications include branch circuit protection for machinery, control panels, and other inductive loads where thermal overload protection is not required.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: EH3A050
  • Type: Molded Case Circuit Breaker
  • Family: EH Series
  • Poles: 3
  • Current Rating: 50 Amps
  • Voltage Rating: 480 Volts AC
  • Interrupt Rating: 14kA at 480V
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 8 lb