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Siemens BQCH1B090 - 90A 1-Pole Molded Case Circuit Breaker

Siemens
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Siemens BQCH1B090 is a molded case circuit breaker designed for overcurrent protection in Siemens panelboards. This single-pole, 90A unit operates at 480V with a 14kA interrupting capacity, utilizing thermal-magnetic protection with long-time and instantaneous trip functions. The compact 1 lb bolt-on construction ensures secure installation in compatible Siemens enclosures. It complies with industry standards for industrial and commercial electrical distribution systems. Typical applications include branch circuit protection in lighting, appliance, and power distribution panels.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 90A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 14kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Panel Type: Siemens Panelboards
  • Weight: 1 lb
  • Functions: Long-Time and Instantaneous
  • Family: BQCH Series
  • Item Subcategory: Molded Case