
Maximum Total Output Current: UL and ULC Installations
The following table describes the maximum total output current available for standby operation using an
external VRLA battery in order to comply with UL and ULC standby requirements.
Application
Maximum Total Output
Current Available
Minimum System
in Standby
Maximum
Charging Current
(mains present)
Battery
Rating
UL 294 and CAN/ULC-S319
4hr backup
4000mA
240mA
500mA
2 x 12VDC
7Ah = 14Ah
CAN/ULC-S304
24hr backup
4000mA
180mA
500mA
2 x 12VDC
7Ah = 14Ah
CAN/ULC-S559
24hr backup
4000mA
180mA
500mA
2 x 12VDC
7Ah = 14Ah
UL 1610, UL 1635
4hr backup
4000mA
240mA
500mA
2 x 12VDC
7Ah = 14Ah
UL 1610, UL 1635
24hr backup
4000mA
180mA
500mA
2 x 12VDC
7Ah = 14Ah
UL 1610, UL 1635
72hr backup
4000mA
180mA
500mA
2 x 12VDC
7Ah = 14Ah
Note: the
Maximum Total Output Current Available
is the
maximum
current that can be supplied to the
auxiliary and bell DC outputs.
These are the maximum current values to ensure compliance with the standby requirements.
PRT-PSU-DIN-4A | Protege DIN Rail 4A Intelligent Power Supply | Installation Manual
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