青羊KW7电动螺丝刀微动开关厂家批发

微动开关，顾名思义，使用很微小的力度的开关。其触电间距较小，力矩较大。一般外部有驱动杆。在尺寸上有小型，超小型，超级小型等。功能上则有防水型。最常见的应用就是鼠标按键了。

1.小型微动开关：

一般尺寸为长27.8宽10.3高15.9，参数方面又高容量，低负载等不同变化。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

3.超级小型微动开关（鼠标微动开关）

一般尺寸为长12.8宽5.8高6.5，这一型中又有特薄型的设计。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 operationsService Life (electrical).....3A-Min. 10000 operations