Industrial Automation Co. is NOT an Authorized Rockwell Distributor - we have our own unique inventory and sourcing relationships. Review our Reseller notice, here.

The Allen-Bradley 140U-D6D3-C12 molded-case circuit breaker is a versatile and reliable protection solution designed for various industrial applications, meeting both UL and European standards. With a rated current of 12 Amps and high interrupting capacity, this 3-pole breaker ensures robust overload protection as per IEC/EN 60947-2, UL489, and CSA 22.2 standards. Its compact design minimizes panel space while offering full functionality, capable of back-feeding at 240 and 480Y/277 Volts. This breaker supports a broad operating frequency range with a breaking capacity of 65 ICU/50 ICS at 400-415 Volts and 10 ICU/6 ICS at 690 Volts, making it suitable for feeder circuits, HVAC systems, and control circuits. Enhanced with field-installable accessories like modular terminals and busbars, the 140U-D6D3-C12 is adaptable for various system requirements, including functioning as a main disconnect switch. Its robust design operates efficiently within a temperature range of -25 to 60 degrees Celsius, maintaining performance even in harsh conditions.