It is a Peco Lectrics PL-27 Switch Console unit designed specifically for thr lever switches PL-22/23/26. Here I have a Peco unit for sale.
3 New Vintage Stock N And OO-9 PECO LECTRICS MOTOR (SWITCH MACHINE) Railways
Peco PL27 Switch Console
PECO PL26 PASSING CONTACT SWITCHES FOR POINT MOTORS x 3 + PL27 SWITCH CONSOLE x1
Peco Lectrics PL-12 Peco Streamline & Peco Setrack Adaptor Base For Motor Switch
Peco Lectrics Switch for Fitting Turnout Motor (Switch Machine) PL-16 Ref L20
Peco Lectrics Switch for Fitting Turnout Motor (Switch Machine) PL-16 Ref L19