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Siemens HE63B090 - Molded Case Circuit Breaker, 90A 3P 600V

Siemens
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Siemens HE63B090 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 90A continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with a 30kA interrupting capacity at 480V AC, housed in a durable HE-series frame. It is engineered to meet relevant industry standards for safety and performance in demanding electrical environments, making it suitable for installation in panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA @ 480V AC
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Frame: HE Series
  • Connection: Bolt-On
  • Weight: 7 lb