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Siemens BQCH3B040 - Molded Case Circuit Breaker, 40A 3P 480V

Siemens
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Siemens BQCH3B040 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 40A current rating and a 480V AC voltage rating, housed within a compact, durable frame with a bolt-on connection for secure installation. This thermal magnetic breaker complies with industry standards for safety and performance, offering both long-time and instantaneous (LI) trip functions. It is engineered for integration into Siemens panelboards, making it suitable for commercial and industrial power distribution applications where a 14kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Connection: Bolt-On
  • Functions: LI (Long-Time and Instantaneous)
  • Panel Type: Siemens Panelboards
  • Family: BQCH Series
  • Weight: 2 lb