溫州美仕電氣有限公司為您提供阿里巴巴微動(dòng)開(kāi)關(guān)微動(dòng)開(kāi)關(guān)價(jià)格微動(dòng)開(kāi)關(guān)廠家/公司微動(dòng)開(kāi)關(guān)批發(fā)。阿里巴巴微動(dòng)開(kāi)關(guān) 微動(dòng)開(kāi)關(guān)價(jià)格 微動(dòng)開(kāi)關(guān)廠家/公司 微動(dòng)開(kāi)關(guān)批發(fā)一般尺寸為長(zhǎng)19.8寬6.4高10.2,功能上有-和高壽命的不同性能。如sm系列:
operating frequency (mechanical).....120 operations / mim
operating frequency (electrical).....10~30 operations / mim
contact resistance (initial).....300m ω (max.)
insulation resistance (at 500vdc).....100m ω (min.)
dielectric strength (50-60hz).....1000vac rms
service life (mechanical).....min. 10000000 operations
service life (electrical).....min. 6000 operations
故障實(shí)例三:交流220v整流濾波電路出現(xiàn)短路性故障,且開(kāi)機(jī)燒保險(xiǎn)。先檢查一下整流二極管有無(wú)短路、濾波電容是否-漏電。還可拔去消磁
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