Matrix 6/816 Installation Manual
RINS546-10 Page 33
4.2 Battery Capacity Calculations
Maximum Battery recharge time does not exceed 72 hours to satisfy EN50131-6.
Total system current (including panel and auxiliary equipment) must not exceed 610mA (panel + Aux + bell +
K+).
In the event of mains failure EN50131-1:2006+A1:2009 specifies that a stand-by battery should be able to
power the system for a non-alarmed period of 12 hours, providing that the prime power source fault is
notified to an alarm receiving centre. The typical Local Authority specified maximum bell alarm period is 15
minutes.
Example Calculation
Norwegian & Danish
Requirements
Required capacity = (18 x A) +
(0.5 x B)
Where:
A = Maximum non-alarmed
total system current.
B = Maximum alarmed total
system current.
Swedish Requirements
Required capacity = 12 x A
Where:
A = Maximum non-alarmed
total system current
Non-alarmed condition 11 hrs 45mins = 11.75Hrs:
Control panel 0.130A
Keypad 0.015A
Detectors (8 detectors at 15mA each) 0.120A
External sounder 0.050A
External strobe 0.000A
Total current 0.315A
Amp/hour capacity 0.315A x 7.67h = 3.7Ah
Alarmed condition 15mins = 0.25Hrs:
Control panel 0.130A
Keypad 0.015A
Detectors (8 detectors at 15mA each) 0.120A
External sounder 0.350A
External strobe 0.150A
Total current 0.765A
Amp/hour capacity 0.765A x 0.33h = 0.25Ah
Minimum battery capacity = 3.7Ah + 0.19Ah 3.89Ah
For electrical products sold within the European
Community. At the end of the electrical
products life, it should not be disposed of
with household waste. Please recycle where
facilities exist. Check with your Local Authority
or retailer for recycling advice in your country.