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Siemens EF3A020L - Molded Case Circuit Breaker 20A 3-Pole

Siemens
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Siemens EF3A020L is a 3-pole molded case circuit breaker from the EF Series, designed for instantaneous magnetic-only overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 20A, with a 14kA interrupting capacity at 480V, and operates on a 3-phase feed-thru connection. Weighing 8 lb, this unit features a bolt-on mounting style and a compact molded case construction for reliable installation in control panels. It complies with industry standards for magnetic-only protection, ensuring precise fault interruption without thermal elements. Typical applications include branch circuit protection in industrial machinery, motor control centers, and commercial distribution equipment where instantaneous trip response is required.

Key Features & Specifications
  • Manufacturer: Siemens
  • Model: EF3A020L
  • Circuit Breaker Type: Molded Case
  • Series: EF
  • Type: EF
  • Poles: 3
  • Amperage Rating: 20 Amps
  • Voltage Rating: 600V AC
  • Interrupting Rating: 14kA at 480V
  • Mounting: Bolt-On
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Connection: Feed-Thru
  • Phase: 3
  • Weight: 8 lb