FIR2023-0019+Fire_Alarm_Battery_Calculations+3.8.2023_2.50.10_PM+3409652RECEIVED
Mar 09 2023
DEVELOPMENT SERVICES
DEPARTMENT
T E L G U A R D F I R2023-0019
Standby: 24 Hours (1440 minutes)
Device
Quantity
Current (Amp / Hour)
1x24
Total
TG-7FS with 5 Minute Supervision
11
x
60 mA
1440 mA
Subtotal:
1440 mA
Add 30% for battery depletion:
432 mA
Standby Subtotal:
1872 mA
Alarm Mode: 5 minutes
Device
lQuantity
I
Current (Amp / Hour)
Total
TG-7FS with 5 Minute Supervision
11
x
250 mA
_ 12
20.83 mA
Subtotal:
20.83 mA
Add 30% for battery depletion:
6.25 mA
Alarm Mode Subtotal:
27.08 mA
Standby Subtotal: 1872 mA
Plus Alarm Mode Subtotal: 27.08 mA
System Current Demand: 3.899.08 mA
12V Battery recommended: 7A (7000mA)