MFAPSU Power Supply Unit for the 2 – 20 Way Apartment Intercom System.
- 16V – 1000mA
- One door station or two door stations with switcher.
- 2 to 20 handsets.
- 3 common wires through out plus 1 call wire per handset.
- Two handsets on one number.
- The system is lightning protected.
- Door station is surface mounted and weather protected.