... and defense, aerospace, machinery, chemical industry, metallurgy industry and use of contactor, relays, electromagnetic valve easy generation arc or inductance coil ... indispensable electric accessories, a son.This product has the advantages of small size, light weight, reliable performance, convenient installation using ... 10% 250DM-2 1±10 100±10% 250DM-3 0.01±10 10K±10% 400DM-4 0.47±10 300±10 ...