MAN3186 - TITANUS MICRO
•
SENS®
108
► Calculate the minimum required battery capacity according to the
following formula:
Variable/
constant
Unit
Description
Ah
Minimum required battery capacity
A
Standby current
h
Required hold-up time
A
Alarm current
h
Required alarm time
-
Safety factor, only consider for hold-up times < 24 h
Nominal battery capacity
To select the required nominal battery capacity
, consider the
following criteria:
▪ Available nominal battery capacities >
▪ Possible nominal battery capacities according to the energy supply
manufacturer
▪ Restrictions due to energy supply device approvals.
Variable
Unit
Description
Ah
Minimum required battery capacity
Ah
Nominal battery capacity
Charging current
The following minimum charging current is required to charge the backup
batteries to 80% of their nominal capacity within 24 h:
Variable/
constant
Unit
Description
A
Charge current
-
80% in 24 h
Ah
Nominal battery capacity
-
Charging factor due to thermal losses when charging the backup
batteries
Summary of Contents for Ampac TITANUS MICRO-SENS
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