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Thomas & Betts TB250 - Molded Case Circuit Breaker 50A 2-Pole

Thomas & Betts
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Thomas & Betts TB250 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 50A current rating and a 240V AC voltage rating, housed in a compact, 2-pole plug-in configuration with a thermal-magnetic protection mechanism for both long-time delay and instantaneous tripping functions. The unit is constructed with durable materials, weighs 2 lb, and offers an interrupting capacity of 10kA at 240V to safely clear fault currents. It is engineered to meet relevant industry standards for safety and performance in electrical distribution. Typical applications include protection for feeders, branch circuits, and equipment within industrial control panels and commercial power distribution boards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 50A
  • Poles: 2
  • Phase: 1
  • Protection Functions: Long-Time and Instantaneous (LI)
  • AIC Rating: 10kA @ 240V
  • Connection Type: Plug-In
  • Family/Series: TB Series
  • Weight: 2 lb