Toggle Switch - 20 Amp Sealed Screw Terminal - SPST ON-OFF Toggle switch is UL listed and CSA certified and has a neoprene seal that keeps out moisture and dust. Brass terminals fit a #6 ring terminal. Single pole toggle switches are rated: 10A/277V AC; 20A/125V AC; 21A/14V DC; 3/4 HP 125-250V AC. Double pole toggle switches are rated: 10A/277V AC; 20A/125V AC; 21A/14V DC; 1-1/2 HP 125-250V AC. Recommended mounting hole is 1/2". 'MOM' indicates momentary operation.