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Siemens HE43B090 - Molded Case Circuit Breaker, 90A 480V 3P

Siemens
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Siemens HE43B090 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 480V AC voltage rating, with a robust thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions. The breaker is constructed with a durable molded case, utilizes a three-pole bolt-on connection for secure installation, and has a compact form factor weighing approximately 7 lb. It complies with relevant industry standards and is rated for an interrupting capacity of 25kA at 480V AC, making it suitable for safeguarding motor control centers, panelboards, and other commercial or industrial equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA @ 480V AC
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Connection Type: Bolt-On
  • Family/Series: HE Series
  • Approximate Weight: 7 lb


Product Identification
  • Manufacturer Part Number: HE43B090