Amazon.com: SECO-LARM SS-090-2H1 Tubular Key Lock Switch; Shunt ON/OFF 2 Terminals, SPST; Maintained ON-OFF, Key Removable From Both ON and OFF Positions; Rated 2 Amps @ 12VDC; N.O. Turn to Close :
Alarm Control RP-45 2 DPDT Shunt Switch- Fire and Safety Plus
Maximum powers of low-loss series–shunt FET RF switches - ScienceDirect