22MM金属按钮平圆形一常开一常闭自复自锁



OFgq22-11/J/S 22mm金属按钮焊接脚不锈钢外壳
OFgq22-11/J/N 22mm金属按钮焊接脚铜镀镍外壳
OFgq22-11Z
11=1NO1NC/一常开一常闭,J=接线插片 Z=自锁