The 140U-K6D3-D30 Molded Case Circuit Breaker (MCCB) provides Fixed Thermal/ Adjustable Magnetic protection. It provided circuits with protection against short-circuit, overload, and ground fault situations. It is used in either branch or main circuit protection devices such as bus-bar trunking tap-off devices, switchboards, individual enclosures, and panelboards. The 140U-K6D3-D30 Circuit Breaker is a K-Frame circuit breaker with a rated current of 300 Amps, a supply voltage of 480 Volts, and an interrupting rate of 65 kA. It has a 3-pole configuration. it has an Ampere Interrupting Capacity (AIC) rating of 65 kA at 480 Volts. The 140U-K6D3-D30 Molded Case Circuit Breaker (MCCB) has various international certifications that include the CSA, CCC, CE Mark, and UL List standards and it is appropriate to be used with the IE3 Motors (IEC 60034-30). It has also conformed to international standards including the CSA22.2 (No.5), the UL489, and the IEC 60947-2 standards.

 

The Allen-Bradley 140U-K6D3-D30 Circuit Breaker has factory-installed internal control modules such as an Auxiliary Contact (AX), an Alarm Contact (AL), an Auxiliary/Alarm Contact (AX/AL) combination, a Shunt Trip (SNT), and an Undervoltage Release (UVT). It has external accessories that include Terminal Shields, a Flex-Cable Operating Mechanism, a Rotary Variable-Depth Operating Mechanism, a Rotary Direct Couple Operating Mechanism, an Operating Handle Extension, Phase Barriers, a Padlock Kit, Terminal Lugs, and an End Cap Kit. It is recommended to consult the appropriate installation instruction before installing accessories. The 140U-K6D3-D30 Circuit Breaker is manufactured by Allen-Bradley/Rockwell Automation has a maximum ambient temperature rating of 40 degrees Celsius (104 degrees Fahrenheit) and a storage temperature range between -40 and 80 degrees Celsius (-40 and 176 degrees Fahrenheit).

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