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Siemens CQD345 - Molded Case Circuit Breaker 45A 480V 3P

Siemens
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Siemens CQD345 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 45A current rating and a 480V AC voltage rating, with a robust thermal-magnetic trip unit that combines long-time delay for overloads and instantaneous response for short circuits. The breaker is constructed with a three-pole, feed-thru connection in a compact, insulated housing rated for operation from -25 to 70 °C. It complies with industry standards for circuit interruption, offering an interrupting capacity of 14kA at 480V AC. Typical applications include protecting feeders, motors, and branch circuits within industrial control panels, switchgear, and distribution boards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, CQD Series
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Poles: 3
  • Connection: Feed-Thru
  • AIC Rating: 14kA @ 480V AC
  • Phase: 3
  • Protection Functions: Long Time and Instantaneous Trip
  • Trip Type: Thermal Magnetic
  • Operating Temperature: -25 to 70 °C (-13 to 158 °F)
  • Weight: 2.15 lb
  • Standards: Designed to meet applicable industrial standards for circuit protection
  • Applications: Industrial power distribution, motor protection, feeder and branch circuit protection
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643277793
  • GTIN: 00783643277793