Double pole-double throw switch

Double pull double throw switch

Double side air break disconnecting switch

Double throw snap action switch

Double throw switch linkage

Double throw switch linkage

Double-acting, compressed gas, high tension circuit breaker with

Double-axis key switch

Double-break puffer-type compressed-gas circuit-breaker

Double-domed elastomeric keyboard element

Double-flow compressed-gas operating mechanism for a high-voltag

Double-flow puffer-type compressed-gas circuit-interrupter

Double-flow puffer-type single-pressure compressed-gas circuit-i

Double-grid mechanical encoder

Double-pass pushbutton

Double-pole change-over switch

Double-pole single-throw switch

Double-puffer-type compressed-gas circuit-interrupter constructi

Double-throw contact

Double-throw rocker switch with selective lockout means