Lightning protection unit MOV – 8 pair SLSI onlyOctober 21, 2016
BS200 -220VAC School BellOctober 21, 2016
- Time switch 10 000 programmable times over a 7 day cycle
- Advanced features.
- Two 10A switching relays.
- One relay can be connected to a 220V bell
- Other relay can be connected to the SLSI-80 Intercom or M20 Intercom to activate the bell over the speakers in the classrooms.