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Thomas & Betts FS340040A - Molded Case Circuit Breaker 40A 480V 3P

Thomas & Betts
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Thomas & Betts FS340040A is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 40A current rating and a 480V AC voltage rating, engineered with a compact, three-pole feed-thru connection and a durable thermal-magnetic trip unit for both long-time and instantaneous (LI) protection functions. This unit is constructed with a robust molded case, weighs 3 lb, and offers an interrupting capacity of 14kA at 480V to safeguard electrical equipment. It is built to meet relevant industry standards for safety and performance in demanding applications such as panelboards, switchboards, and motor control centers.

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


Product Identification
  • UPC: 638183902264