The 'Voice alarm panel Compact 400' PC1001-A3 uses a Merawex power supply ZM24V24A-600PZ. It is mounted and pre-assembled in the cabinet with the following connections:
- 230 V screw terminals connection
- Temperature sensor input
- 1x DC 24 V output for supplying power to the digital audio matrix board
- 1x screw terminal for 1x 24 V battery bank
- 3x connections with potential-free relay contacts for supply system and battery monitoring