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Siemens EF3A050L - Molded Case Circuit Breaker 50A 600V 3-Pole

Siemens
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Siemens EF3A050L is a molded case circuit breaker from the EF Series designed for industrial and commercial power distribution systems requiring magnetic-only overcurrent protection. This 3-pole, 3-phase breaker provides instantaneous trip functionality with a 50A current rating and a maximum voltage rating of 600V, featuring a 14kA interrupting capacity at 480V. The unit weighs 8 lb and utilizes a feed-thru connection with a bolt-on mounting configuration, incorporating a standard range ETI trip unit for reliable operation. It complies with industry standards for molded case circuit breakers in three-phase applications. Typical applications include motor control centers, panelboards, and other industrial equipment where magnetic-only protection is specified.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: EF3A050L
  • Item Subcategory: Molded Case
  • Family: EF Series
  • Type: EF
  • Amperage: 50A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Functions: I - Instantaneous
  • Protection: Magnetic Only
  • Trip Unit: Standard Range ETI
  • Interrupt Rating: 14kA at 480V
  • Connection: Feed-Thru
  • Mounting: Bolt-On
  • Weight: 8 lb