Specifications A
Shield Fire, Safety and Security Ltd.
Shield A-XT Releasing Fire Control Panel - Installation and Operation Manual SEXTCP-OM
Revision E01.00
67 of 127
Standby and Alarm Power-Limitations
The following standby and alarm power limitations are provided below for the Shield A-XT Releasing
Fire Control Panel:
Maximum Current Draw
The maximum current draw of the Shield A-XT Releasing Fire Control Panel cannot exceed 2.0 A. Outputs of
the fire control panel can be loaded with any combination of currents as long as the total current does not exceed 2.0 A.
All calculations of maximum current draw must include the 620 mA current required to operate the
Shield A-XT Releasing Fire Control Panel while in an alarm condition.
Outputs of the Shield A-XT Releasing Fire Control Panel are listed below:
Power Source Standby Operation Alarm Operation
Power Supply Primary, 115 VAC 125 VA
Power Supply Primary, 230 VAC 126 VA
Current Draw From Battery
In Mains Fail Condition
100 mA, 86 mA with internal
sounder silenced
250 to 620 mA
Terminals Current Rating
Shield A-XT Releasing Fire
Control Panel
620 mA
Exting. 1.0 A
Status Unit, Power 500 mA
AUX 24V 500 mA
NAC 1
Reference “Notification Appliance Circuit (NAC)” of this appendix for current
ratings.
NAC 2 Reference “Notification Appliance Circuit (NAC)” of this appendix for current
ratings.
NAC 3 Reference “Notification Appliance Circuit (NAC)” of this appendix for current
ratings.
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