The 140U-JD0D3-D15 circuit breaker is a JD-frame circuit breaker with 150 Amps of current rating and 480 Volts AC of voltage rating. The interrupting rating/breaking capacity for the 140U-JD0D3-D15 circuit breaker is greater than 100 kiloamps at 480 Volts AC. The trip module on the 140U-JD0D3-D15 circuit breaker isĀ the fixed thermal/adjustable magnetic type.
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Brand | Allen-Bradley / Rockwell Automation |
---|---|
Series | 140U MCB |
Part Number | 140U-JD0D3-D15 |
Product type | Circuit breaker |
Frame | JD |
Poles | 3 |
Current rating | 150 Amps |
Voltage rating | 480 Volts AC |
The 140U-JD0D3-D15 circuit breaker is a three-pole molded case circuit breaker. It belongs to the Bulletin 140U product line from Allen-Bradley which includes 15 to 1200 Amps rated breakers with either electronic or thermal-magnetic trip modules. Bulletin 140U breakers such as the 140U-JD0D3-D15 circuit breakers conform to multiple standards including the UL 489, IEC 60947-2, and CSA 22.2 No 5 standards. The 140U-JD0D3-D15Ā circuit breaker is a JD-frame circuit breaker with a 150 Amps current rating and 480 Volts AC voltage rating. The interrupting rating/breaking capacity for the 140U-JD0D3-D15Ā circuit breaker is greater than 100 kiloamps at 480 Volts AC. The trip module on the 140U-JD0D3-D15 circuit breaker is of the fixed thermal/adjustable magnetic type. Bulletin 140U series breakers such as the 140U-JD0D3-D15 circuit breaker can be used for applications that require protection against overloads, protection against short-circuits, and protection against ground faults.
The 140U-JD0D3-D15Ā circuit breaker can be used as either the main circuit protection device or a branch circuit protection device inside panelboards and switchboards. Key features of 140U series breakers include a compact design, field-installable accessories, and rotary variable-depth operating mechanisms with an internal handle to comply with the NFPA79 requirements. One of the main benefits of the breaker's compact design is significant space savings. Support for field-installable accessories leads to saving timeĀ and application flexibility. The presence of high currents and voltages poses a serious threat to userĀ safety and to electrical equipment. To ensure the safety of equipment and operators,Ā the main electrical power to the system must be disconnected before any activity relating to the installation or maintenance of the breakers and other electrical equipment is performed.