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微動(dòng)開(kāi)關(guān)分類(lèi)

微動(dòng)開(kāi)關(guān)，顧名思義，使用很微小的力度的開(kāi)關(guān)。其觸電間距較小，力矩較大。一般外部有驅(qū)動(dòng)桿。在尺寸上有小型，超小型，超級(jí)小型等。功能上則有防水型。最常見(jiàn)的應(yīng)用就是鼠標(biāo)按鍵了。
1.小型微動(dòng)開(kāi)關(guān)：
一般尺寸為長(zhǎng)27.8寬10.3高15.9，參數(shù)方面又高容量，低負(fù)載等不同變化。如KW7、KW8、KW9系列：
Operating Frequency (mechanical).....120 operations / mim
Operating Frequency (electrical).....All ratings-10~30 operations / mim
Contact Resistance (initial).....30m Ω (Max.)
Insulation Resistance (at 500VDC).....100M Ω (Min.)
Dielectric Strength (50-60Hz).....1000VAC RMS
Service Life (mechanical).....Min. 5000000 operations
Service Life (electrical).....Min. 10000 operations

2.超小型微動(dòng)開(kāi)關(guān)
一般尺寸為長(zhǎng)19.8寬6.4高10.2，功能上有高精度和高壽命的不同性能，如KW11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

3.超級(jí)小型微動(dòng)開(kāi)關(guān)（鼠標(biāo)微動(dòng)開(kāi)關(guān)）
一般尺寸為長(zhǎng)12.8寬5.8高6.5，這一型中又有特薄型的設(shè)計(jì)。如KW1系列：
Operating Frequency (mechanical).....120 operations / mim
Operating Frequency (electrical).....0.1A-120,3A-10~30 operations / mim
Contact Resistance (initial).....100m Ω (Max.)
Insulation Resistance (at 500VDC).....100M Ω (Min.)
Dielectric Strength (50-60Hz).....1000VAC RMS
Service Life (mechanical).....Min. 1000000 operations

Service Life (electrical).....3A-Min. 10000 operations