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Thomas & Betts FS320045A - Molded Case Circuit Breaker 45A 3P

Thomas & Betts
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Thomas & Betts FS320045A is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 45A current rating and a 240V AC voltage rating, engineered to interrupt fault currents up to 22kA. The three-pole, feed-thru connection breaker utilizes a thermal-magnetic trip mechanism for combined long-time and instantaneous (LI) protection functions, housed in a durable FS Series frame with a weight of 3 lb. This unit is constructed to meet applicable industry standards for safety and performance in demanding electrical environments, making it suitable for protecting feeders and branch circuits in commercial and industrial panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, FS Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • AIC Rating: 22kA @ 240V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Frame Size: FS
  • Weight: 3 lb