The 140U-H2C3-C80 Circuit Breaker is manufactured by Allen-Bradley/Rockwell Automation as part of the 140U MCB product line. It features Frame H and it has an operating current of 125 Amps. It is a three-pole breaker with the thermal-magnetic tripping module option, and the circuit breaker has a breaking capacity or interrupting rating of 20 to 29 kiloamps at 480 Volts AC.
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Brand | Allen Bradley/Rockwell Automation |
---|---|
Series | 140U MCB |
Part Number | 140U-H2C3-C80 |
Product Line | Molded Case Circuit Breaker |
Frame | H |
Amperage | 125 Amperes |
Bulletin | 140U |
Poles | 3 |
The 140U-H2C3-C80 Circuit Breaker is a circuit breaker manufactured by Allen-Bradley/Rockwell Automation as part of the 140U MCB product line. It features Frame H and has an operating current of 125 Amps. It is a three-pole breaker with the thermal-magnetic tripping module option. The 140U-H2C3-C80 Circuit Breaker has a breaking capacity or interrupting rating of 20 to 29 kiloamps at 480 Volts AC. The 140U MCB Circuit Breaker series support both thermal-magnetic and electronic trip modules, as well as electronics trip modules with a current rating of 800 Amps. Some notable features of the 140U Circuit Breakers are flexible cable operating mechanisms, high-interrupt ratings in compacted dimensions, rotary variable-depth operating mechanisms, and field/factory installable accessories. The series includes breakers that are approved and rated for global applications.
The Allen-Bradley 140U-H2C3-C80 Circuit Breaker features different interrupting rating specifications at 60 Hertz, including 25 kiloamps at 240 Volts AC, 18 kiloamps at 600 Volts AC, and 25 kiloamps at 480 Volts AC. Additionally, it has a service short-circuit breaking ratings of 35 kiloamps at 220 Volts AC, 25 kiloamps at 380 Volts AC, 17 kiloamps at 525 Volts AC, and 3 kiloamps at 690 Volts AC. The 140U-H2C3-C80 Circuit Breaker has a heat dissipation rating of 25 Watts of energy while operating in normal load conditions. Also, the main circuit breaker features a rated insulation voltage of 750 Volts AC. The operation of this circuit breaker is recommended for use in environments with air temperature in the range of 16 to 140 degrees Fahrenheit. It has an approximate weight of 3 pounds and enclosure dimensions of 5.5 x 3 x 3 inches.