Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P
Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P

Siemens BQD345 - Molded Case Circuit Breaker, 45A 480V 3P

Siemens
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Siemens BQD345 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial electrical systems. It features a 45A current rating and a 480V AC voltage rating, housed within a compact 3" x 4.49" x 4.49" (76.2 x 114 x 114 mm) bolt-on unit with a 100A frame size and lug terminals compatible with wire sizes from 6 AWG (Al) to 1/0 AWG. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, achieving a 14kA interrupting capacity at 480V, and is certified to UL 489 and CSA C22.2 standards for operation in temperatures from -25°C to 70°C. Its standard design is specifically engineered for integration into Siemens P1 panelboards, making it suitable for commercial and industrial power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-on Connection
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Dimensions: 3 in x 4.49 in x 4.49 in (76.2 mm x 114 mm x 114 mm)
  • Weight: 1.649 lb
  • Standards & Certification: UL 489, CSA C22.2
  • Applications: Three-Phase Power Distribution in Siemens P1 Panelboards
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Poles: 3
  • Frame Size: 100A
  • Connection: Bolt-on
  • Terminal Connection: Lug
  • MCM Size: Min. 6 AWG (Al) / 8 AWG (Cu); Max. 1/0 AWG
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Breaker Type: Standard
  • Panel Type: Siemens P1 Panelboards
  • Family: BQD Series


Product Identification
  • UPC: 783643277403
  • GTIN: 00783643277403