The 225 Amps rated 140U-JD0D3-D22 circuit breaker is a Bulletin 140U series molded case circuit breaker from Allen-Bradley. It comes in a JD-frame enclosure with a thermal-magnetic trip unit. The magnetic trip settings on the trip unit are adjustable while the thermal settings are fixed. The trip unit is non-interchangeable. The voltage rating for the 140U-JD0D3-D22 circuit breaker is 480 Volts AC.
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Brand | Allen-Bradley / Rockwell Automation |
---|---|
Series | 140U MCB |
Part Number | 140U-JD0D3-D22 |
Product type | Circuit breaker |
Frame | JD |
Poles | 3 |
Current rating | 225 Amps |
Voltage rating | 480 Volts AC |
The 225 Amps rated 140U-JD0D3-D22 circuit breaker is a Bulletin 140U series molded case circuit breaker from Allen-Bradley. It comes in a JD-frame enclosure with a thermal-magnetic trip unit. The magnetic trip settings on the trip unit are adjustable while the thermal settings are fixed. The trip unit is non-interchangeable. The voltage rating for the 140U-JD0D3-D22 circuit breaker is 480 Volts AC. The interrupting rating/breaking capacity for the 140U-JD0D3-D22 circuit breaker is in excess of 100 kiloamps. The number of poles provided on this breaker are three. Bulletin 140U breakers feature a compact design that enables space conservation. The interrupting capacity ratings for the 140U series devices ranges from 18 to 100 kiloamps. Electronic trip units are also available with 70 to 1200 Amps current ratings. The available types of electronic trip units include the LSIG, LSG, LSI, and LS units.
Factory and field installed accessories are available from Allen-Bradley for the 140U-JD0D3-D22 circuit breaker. The 140U series breakers also feature flexible cable operating mechanisms, high interrupting ratings in compact dimensions, and rotary variable-depth mechanisms. The Bulletin 140U series is a product line that is approved for application worldwide. Standards with which the 140U-JD0D3-D22 circuit breaker complies include the CAS 22.2, UL 489, and IEC 60947-2 standards. The 140U family of circuit breakers is approved by the CSA, CE, and KEMA-KEUR standards. The planning and implementation of electrical systems which incorporate the 140U-JD0D3-D22 circuit breaker should only be performed by technicians who are trained and experienced in the design of high-powered electrical systems. All the relevant industry and regional precautions should be followed carefully to ensure the safety of the technicians and to protect the equipment from damage.