The KH series electromechanical relays come in a variety of ac or dc coil voltages ranging from 3 to 100 vdc and 6 to 230 vac. The relays provide 10A and 16A switching in a compact package, with a dielectric strength of 5 kV and an in-rush resistance of up to 10 kV.KH series relays are available in both single-pole, single-throw and single-pole, double-throw contact forms with cUL, TUV, FIMKO, and SEMKO approval. Mechanical life expectancy is 2 x 107 operations (dc) and 1 x 107 operations (ac) at an operating frequency of 18,000 operations per hour.