The 140U-D6D3-B80 circuit breaker is a 140U-D circuit breaker with a molded case. This circuit breaker is made by Allen-Bradley/Rockwell Automation and it serves as a space-saving device that is built for global applications. The 140U-D6D3-B80 circuit breaker is listed by the UL489 standards and it has dimensions of 45 x 102 x 85 millimeters (1.7 x 4 x 3.3 inches). Also, circuit breakers from this series are in compliance with standards such as the CSA 22.2, IEC/EN 60947-1 and others. This circuit breaker features a current-limiting capability and overcurrent protection. Besides that, the 140U-D6D3-B80 circuit breaker is easy to install and it reduces wiring difficulties due to its compact busbars and feeder blocks. Generally, the circuit breakers from the 140U-D series are used for applications in distribution panels, heaters, control transformers, switching duty, and power supplies. The 140U-D6D3-B80 circuit breaker has a breaking capacity that includes 100 Icu/65 Ics at 400 to 415 Volts, 65 Icu/65 Ics at 525 Volts, and 10 Icu/6 Ics at 690 Volts. In addition to that, the interrupting rating of the circuit breaker is 100 kiloAmps at 240 Volts, 100 kiloAmps at 480Y/277 Volts, and 50 kiloAmps at 600Y/347 Volts.

The 140U-D6D3-B80 circuit breaker has 3 poles and 15 to 20 Xln magnetic trip [Amp] in Lm. The current range of the unit is 0.5 to 30 Amps. The rated current is 8 Amps. This thermal-magnetic circuit breaker can be upgraded with accessories such as flexible wire modules, feeder terminals for compact busbars, load terminal covers, and extension shaft support. The 140U-D6D3-B80 circuit breaker has a D type of frame and it supports field-installed internal control modules, along with rotary operators. The 140U-D6D3-B80 circuit breaker has a lifespan of 100,000 hours (mechanical) and of 10,000 hours (electrical). When wired, the unit has an IP2X protection level. This circuit breaker has impressive resistance to shocks, vibration, and other conditions typical for the industrial environment.