Secutron Inc. 20
2.7.1 Calculation for Standby Battery Requirement
Step Device Current
per
device
(mA)
Number
of
device
Tota l
Standby
Current
(mA)
Tota l Al arm
Current
(mA)
1 MR-2605 Standby: 130 x 1 = 130
Alarm: 415 x 1 = 415
2 Zone 1 Standby: x =
Alarm: 69 x 1 = 69
Zone 2 Standby: x =
Alarm: 69 x 1 =
Zone 3 Standby: x =
Alarm: 69 x 1 =
Zone 4 Standby: x =
Alarm: 69 x 1 =
Zone 5 Standby: x =
Alarm: 69 x 1 =
3NAC 1 Alarm: x =
NAC 2 Alarm: x =
4 MR-2605-T Standby: 15 x
Alarm: 15 x
MR-2605-AT Standby: 15 x
Alarm: 25 x
MR-2806 Standby: 45 x
Alarm: 60 x
MR-2605-R3 Standby: 0 x =
Alarm: 24 x
5 AUX+ Standby: x =
Alarm: x =
6 Total ‘standby’ and ‘alarm’ current: mA mA
7 Divide ‘standby’ mA and ‘alarm’ mA by 1000: Amp Amp