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Siemens BQCH3B045 - Molded Case Circuit Breaker 45A 480V 3P

Siemens
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Siemens BQCH3B045 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 480V AC voltage rating and a 45A current rating, housed within a compact, durable molded case with a bolt-on connection for secure installation. This thermal magnetic breaker complies with industry standards for panelboard applications, specifically engineered for integration into Siemens panelboards. Its LI (Long-time and Instantaneous) tripping functions make it suitable for protecting feeders and branch circuits in commercial and light industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Connection: Bolt-On
  • Functions: LI (Long-Time and Instantaneous)
  • Panel Type: Siemens Panelboards
  • Family: BQCH Series
  • Item Subcategory: Molded Case
  • Weight: 2 lb


Product Identification
  • Manufacturer Part Number: BQCH3B045