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Siemens EF3S150L - Molded Case Circuit Breaker 150A 3P

Siemens
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Siemens EF3S150L is a 150 Amp, 3-pole molded case circuit breaker from the EF Series, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 600V AC and 150A continuous current, with a 14kA interrupting capacity at 480V AC, and features a feed-thru connection for straightforward line and load wiring. The unit weighs 8 lb and is built with a durable molded case housing for reliable performance in demanding environments. It complies with industry standards for overcurrent protection in three-phase electrical systems. Typical applications include motor control centers, panelboards, and switchboards requiring high-level short-circuit protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: EF3S150L
  • Amperage: 150 Amp
  • Poles: 3
  • Voltage Rating: 600 Volt AC
  • Series/Frame: EF Series
  • Type: Molded Case Circuit Breaker
  • Item Subcategory: Molded Case
  • Family: EF Series
  • Type: EF
  • Weight: 8 lb
  • Functions: I - Instantaneous
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • AIC rating: 14kA@480V
  • Phase: 3
  • Current Rating: 150A
  • Trip Unit: Low Instantaneous Range (L)