SHIELD NS-EN 2-4 zone conventional fire alarm control panel with integral power supply
& space for standby batteries. These panels are supplied with Two or four fire zone circuits, two

monitored sounder circuits and a 1.25 Amp internal power  supply  module.

Fire & Fault volt free contact relays, switched negative outputs, alert and class change input are
also included. The power supply module complies
with the requirements of EN54-4 : 1988 and provides temperature compensated battery management 
charging.

In addition these panels are fully approved to European standards EN54-2 & 4, Fire Detection and 
Alarm Systems – Control & Indicating Equipment.