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Siemens EF3B050L - Molded Case 50A 600V 3-Pole

Siemens
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Siemens EF3B050L Circuit Breaker - Molded Case 50A 600V 3-Pole Thermal Magnetic The Siemens EF3B050L is a 3-pole molded case circuit breaker from the EF Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. It is rated for 600V AC, 50A continuous current, and 14kA interrupting capacity at 480V, with a thermal magnetic trip mechanism for overcurrent and short-circuit protection. This feed-thru connection breaker weighs 8 lb and features a compact molded case construction suitable for panelboard or switchboard installation. It complies with UL and NEMA standards for industrial power distribution. Typical applications include motor control centers, lighting panels, and branch circuit protection in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded Case, EF Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA@480V
  • Connection: Feed-Thru
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 8 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control, branch circuit protection


Product Identification
  • UPC: Not specified
  • GTIN: Not specified