The 140U-D6D2-B30 circuit breaker is an Allen-Bradley molded case circuit breaker classified under the 140U MCB series. The Allen-Bradley 140U series is UL489 listed, and it is suitable for global applications. The circuit breaker is a current limiting circuit breaker that provides fixed short circuit and overcurrent protection. The circuit breaker features accessories that are designed to ensure field-installability. The design is simple, reducing the wiring errors and minimizing the installation costs. The 140U-D6D2-B30 circuit breaker has a supply voltage rating of up to 480 Volts and its rated frequency is 50 to 60 Hertz. The Allen-Bradley molded case circuit breaker features the 2-pole configuration while the rated current is 3 Amps. The unit features the frame size of D.

The Allen-Bradley 140U-D6D2-B30 circuit breaker comes with a magnetic trip of 15 to 20 Amps while the rated breaking capacity is 100 kA. The 140U-D6D2-B30 circuit breaker comes with a rated insulation voltage of 690 Volts IEC. The 140U molded case circuit breakers are small with a width of 45 millimeters, a height of 102 millimeters, and a depth of 85 millimeters. Therefore, with the Allen-Bradley 140U molded case circuit breakers, the users can enjoy up to 50% space-saving benefits compared to traditional molded case circuit breakers. The 140U-D6D2-B30 circuit breaker is designed to deliver a high interrupting rating of 65 Amps at 480Y/277V, allowing for an overall panel short circuit rating. The unit delivers up to 6 times the high-interrupting rating of traditional circuit breakers. The 140U circuit breakers are ideal for applications used in feeder circuits, control circuits, HVAC equipment, and applications with a high-intensity discharge.