Ness Power Plug Pack 17 Volt AC, 1.4 Amp Power Supply for Ness alarm system. Compatible with the Ness M1, D8x, D16x and D16x-Cbus Alarm systems and also compatible with many other brands.
This power supply powers the main system panel and charges the 12 Volt Sealed Lead Acid Battery. This unit has positve, negative and earth wires.