The 140U-J6D3-D22 circuit breaker is a current limiting molded case circuit breaker. It is a three-pole device. The amperage rating of the breaker is 250 Amps maximum. It is suitable for use with both single-phase and three-phase circuits. It uses a special Category A cable with a maximum temperature of 40 degrees Celsius. A manual tripping button is present in the breaker which easily trips the device manually to test it. The breaker is certified with a CE rating. An on/off switch is present on the front to turn the circuit breaker on or off It supports different instantaneous ratings. The 140U-J6D3-D22 circuit breaker has a conformal coating that protects the breaker from a harsh industrial environment. It is a J Frame breaker which is compact in size. It is equipped with a standard bus bar mounting base. The breaker comes with a fixed thermal and adjustable magnetic trip. The interrupt rating of the breaker is 60 to 69 kA.

The 140U-J6D3-D22 circuit breaker operates with a frequency of 60 Hertz and the voltage rating of the breaker is 480 Volts AC. It is equipped with a shunt trip and undervoltage release. It can be mounted with a left side mounting option that is available in the breaker. It is equipped with auxiliary features and an alarm for alerting the operators about different conditions. The bottom part of the 140U-J6D3-D22 circuit breaker comes with a load terminal where all the applications are connected. The load connection should be made properly for the breaker to function well. The breaker meets the EMC requirements.