PECO PECOLECTRICS TWISTLOCK TWIN MICROSWITCH TwistLock Twin Microswitch to be used with PL-1000 for option to switch polarities, or to operate signals or panel lights etc. Easy to fit to PL-1000, simply twist and lock onto Twistlock point motor. PL-26 Passing Contact Switches PL-34 Turnout Motor Wiring Harnesses PL-27 Switch Console Units