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Siemens EF3B090 - Molded Case Circuit Breaker 90A 600V 3-Pole

Siemens
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Siemens EF3B090 is a 3-pole molded case circuit breaker from the EF Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. This thermal magnetic breaker is rated for 600V AC, 90A continuous current, and features a 14kA interrupting capacity at 480V, with a bolt-on connection for secure panel mounting. Weighing 8 lb, it is constructed for 3-phase applications and offers reliable overcurrent protection through its combined thermal and magnetic trip mechanism. The EF3B090 complies with industry standards for molded case circuit breakers, making it suitable for industrial distribution panels and motor control centers. Typical applications include branch circuit protection in commercial and light industrial environments where precise LI trip curves are required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, EF Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 14kA@480V
  • Weight: 8 lb
  • Functions: LI - Long-Time and Instantaneous
  • Family: EF Series
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 782451053872