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Siemens HE3B050 - Molded Case Circuit Breaker, 50A 480V 3P

Siemens
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Siemens HE3B050 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial electrical systems. It features a 50A current rating and a 480V AC voltage rating, housed within a compact and durable HE Series frame with a bolt-on connection for secure installation. This thermal magnetic breaker complies with relevant industry standards for safety and performance, utilizing a long-time and instantaneous (LI) trip function for coordinated protection. Its 25kA interrupting rating at 480V makes it suitable for safeguarding motor control centers, distribution panels, and other commercial or industrial power distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, HE Series Frame
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 25kA @ 480V
  • Functions: LI (Long-Time and Instantaneous)
  • Protection: Thermal Magnetic
  • Weight: 8 lb