Sensata LEJ/LEJA Series Circuit Breaker Meets Demand for Performance Protection

Sensata Technologies created the LEJ/LEJA series circuit breaker to take care of the ever growing demand for high performance protection of important data center and telecommunications applications that demand 240VAC per pole, UL 489 in the most conveniently sized case available on the market.

The LEJ/LEJA platform utilizes the very successful and proven LEG/LEGA designs while also including top-notch arc quenching technologies and providing voltage ratings that are ideal for global applications that need 208VAC through 240VAC ratings for better power efficiency.

Standard applications are power distribution units (PDUs) that are utilized in data center enclosures, telecom, AC power supplies and various other Industrial applications made better from higher power density. The LEG/LEGA product family is similar to the LEJ/LEJA series provide various features which also include various terminations and actuators to adhere to almost any requirements.


  • Up to two poles, 2 amps to 20 amps rated current at 240VAC per pole
  • UL 489 listed and TÜV approvals available
  • 5000AIC short circuit amperage rating
  • Low Depth “A” option provides a 31% lower depth compared to standard LEJ product
  • Maintains the high performance characteristics, reliability, panel cut out and mounting dimensions of LEG/LEGA products

Sensata Technologies Inc. is a world leader in the supplying of electrical production, mobile power, sensing and control solutions in many industries and many applications. Sensata’s Airpax products also include hydraulic-magnetic circuit breakers and protectors, thermal circuit protectors, bimetal thermostats, speed and position sensors, fuses, power switches, modular distribution systems and protected batter disconnects. The Dimensions products from Sensata Technologies include DC to AC inverters as well as battery chargers.

Automotive, appliance, aircraft, industrial, military, heavy vehicle, HVAC-R, telecommunications, recreational vehicles, marine, medical, information processing, electronic power supply, power generation, over-the-road trucks, utility/work trucks, construction, agricultural, and alternative energy applications are all part of Sensata’s market.

Sensata takes pride in their goal of delivering high quality, world-class customer service and constantly bettering their products and services.

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