Russian standard, Limit switch (travel switch ) BU-150/250 SPECIFICATIONS Main technical characteristics of switches BK 200 (300) are shown in Table 1.Table 1.Allowable level of current, AActivate currient, ASwitch offed currient, with inductive load, Adirect currentalternating current110 V220 V440 V500 V10502,51,60,6101.1 Gear-ratio ratio of gearbox - 50;1.2 Degree of protection - IP4X;1.3 ...