| 1 |  | Off switch/single-pole, housing PS4-1 | PS4423-7A |
| 1 |  | Push-button (normally open)/single-pole, housingPS4-1 | PS4423-7B |
| 1 |  | Push-button (normally closed)/single-pole, housingPS4-1 | PS4423-7C |
| 1 |  | Changeover switch/single-pole, housing PS4-2 | PS4423-7G |
| 1 |  | DLR relay, exciter 15V, housing PS4-2 | PS4423-7P |
| 1 |  | Relay, exciter 8-21V, housing PS4-3 | PS4423-7T |
| 1 |  | Lamp socket E10, top, housing PS4-1 | PS4423-8R |
| 1 |  | Filament lamp, 6V/180mA, E10 | SO5123-8Q |
| 1 |  | Filament lamp, 15V/100mA, E10 | SO5123-8R |
| 1 |  | Filament lamp, 24V/80mA, E10 | SO5123-8S |
| 1 |  | Speaker, 8 ohm, 0.25 W, housing PS4-3 | PS4424-2M |
| 1 |  | DC motor 12 V/ 2 W, housing PS4-3 | PS4424-3M |
