140G-H3F3-C80

The 140G-H3F3-C80 circuit breaker is an Allen-Bradley circuit breaker. It is rated for 80 Amps of current and it is based on an adjustable thermal/magnetic trip module. The 140G-H3F3-C80 circuit breaker is part of the 140G circuit breaker family. The 3-pole 140G-H3F3-C80 circuit breaker is available in a 125 Amps rated H Frame enclosure. The range of the configurable thermal trip thresholds is from 56 to 80 Amps and the range of configurable magnetic trip thresholds is from 400 to 800 Amps. For 500 or  250 Volts DC, the breaking capacity for the 140G-H3F3-C80 circuit breaker is 50 kiloamps. For AC voltages at 50 to 60 Hertz, the interrupting rating according to the UL 489/CSA 22.2 standards is 18 kiloamps at 600 Volts AC, 35 kiloamps at 480 Volts AC, and 100 kiloamps at 240 Volts AC.

Allen-Bradley provides several replacement parts for the 140G-H3F3-C80 circuit breaker. These include end cap kits which consist of bolt or termination screws and a captive nut, actuator mounting hardware, and stainless steel handles with mounting hardware. The rated insulation voltage for the 140G-H3F3-C80 circuit breaker is 1000 Volts. The rated impulse withstand voltage is 8 kilovolts. At 240 operations per hour, the mechanical life of the breaker is 25,000 hours. At 120 operations per hour, the electrical life (at 415 Volts AC) for the 140G-H3F3-C80 circuit breaker is 8000 hours. The dimensions of the 140G-H3F3-C80 circuit breaker are 90 x 82.5 x 130 millimeters (width x depth x height) and it weighs 1.2 kilograms. For optimal performance as per manufacturer specifications, the 140G-H3F3-C80 circuit breaker should be operated at ambient temperatures that do not exceed 40 degrees Celsius.