Includes all components necessary for setting up the "Wagner's interrupter" and "bell-relay" experiments. The components are fixed on the bell/relay plate and connected to an extra-low voltage source. Includes two bridging plugs and one magnetic symbol plate for the bell and relay.
- Dimensions: 30 cm x 29.7 cm x 7 cm
- Connections: 4 mm sockets
| Equipment included: |
| 1 | Bell/relay plate |
| 1 | Adjustable contact (579 30) |
| 1 | Pendulum-type armature with contacts (579 31) |
| 1 | Bell dome (579 32) |
| 2 | Coils, 500 turns (590 83) |
| 1 | Transformer core, for assembly and disassembly (593 21) |
