double-pole switch 双刀开关 ; [电] 双极开关 ; 双极开关掣

Flush-type Rocker Double-pole Switch 暗装跷板式两极开关

Flush-type Tumbler Double-pole Switch 暗装倒扳式两极开关

Surface-type Rocker Double-pole Switch 明装跷板式两极开关

Surface-type Tumbler Double-pole Switch 明装倒扳式两极开关

double-pole-double-throw switch 双刀双掷开关

Surface-type Rocker Two-way Double-pole Switch 明装跷板式两极双控开关

Surface-type Tumbler Two-way Double-pole Switch 明装倒扳式两极双控开关

Single-pole Double Throw Switch [电] 单刀双掷开关 ; 单刀双投开关