The 140G-H2F3-D10 circuit breaker from Allen-Bradley is a circuit breaker with a thermal and magnetic trip unit rated at 100 Amps. It is a molded-case circuit breaker which belongs to 140G product family. The rated current for the 140G-H2F3-D10 circuit breaker at 104 degrees Fahrenheit is 100 Amps. The thermal trip range is from 70 to 100 Amps and the magnetic trip range is from 500 to 1000 Amps. The ultimate and in-service breaking capacity for this circuit breaker for 250 to 500 Volts DC voltage is 36 kiloamps. The ultimate and in-service breaking capacities for 220,  415, 440, and 690 Volts AC are 65, 36, 36, and 10 kiloamps. The 3-pole 140G-H2F3-D10 circuit breaker is available in an H Frame with adjustable magnetic and adjustable thermal trip units. The ultimate impulse withstand voltage is 8 kilovolts. The breaker should not be mounted on a bus bar. The reverse connection of the supply is possible with the 140G-H2F3-D10 circuit breaker. The voltage rating of the insulation on the breaker is 800 Volts.

The approximate weight of the 140G-H2F3-D10 circuit breaker is 1.2 kilograms and it measures 5.1 x 3.5 x 3.22 inches. The recommended range of the temperature for operation of the 140G-H2F3-D10 circuit breaker is from -13 to 158 degrees Fahrenheit. For storage, the circuit breaker should be kept where the ambient temperature remains between -40 and 176 degrees Fahrenheit. The 140G-H2F3-D10 circuit breaker is certified by the CSA and UL standards and it complies with multiple standards, including the IEC 60947-2 standards. The 140G-H2F3-D10 circuit breaker should be kept free from contaminants. It should be installed inside a suitable enclosure and the power should be disconnected prior to installation.