13/32 inches x 1-1/2 inches. 250 Vac. Contents: (2) FNM-20. UL listed for use in circuits as follows: 5 and 10 amps - 250 volts; 12 and 15 amps - 125 volts; 20 and 30 amps - 32 volts. Do not use in circuits exceeding 125 volts. Designed for supplementary motor protection. Suitable for circuits with typical motor inrush currents. Often used in swimming pool pumps, elevators and HVAC equipment. Eaton.com/BussmannConsumer. Made in Mexico.