Product Manual

Charger Specifications
975-0636-01-01 Rev E 6–3
Charger Specifications
NOTE: All charging specifications are at nominal conditions: ambient
temperature of 25 °C, 230 VAC, 50 Hz input, unless otherwise specified.
DC Output SW 2524 230 SW 4024 230 SW 4048 230
Maximum output current 65 A 90 A
a
a.Charging current derates up to 5% between 35 to 60 °C.
45 A
Nominal output voltage 24 VDC 24 VDC 48 VDC
Charging output voltage
operation range
b
b.Recharging does not occur when battery voltage is below 12 V.
12.0–
32.0 VDC
12.0–
32.0 VDC
24.0–
64.0 VDC
Equalization cycle Manual by
SCP
Manual by
SCP
Manual by
SCP
Optimal charging efficiency 90% 90% 92%
Dead battery charge voltage > 12.0 VDC > 12.0 VDC > 24.0 VDC
Charging methods (two
settings)
Three-stage charge (Bulk, Absorption, Float) [default]
Two-stage charge (Bulk, Absorption)
Without a battery temperature
sensor (three settings)
Cool 10 °C
Warm 25 °C [default]
Hot 40 °C
With a battery temperature
sensor (provided)
The temperature compensation coefficients on
a 24-volt battery
are as follows:
Flooded: 54 mV × (25 °C – BTS °C)
Gel: 54 mV × (25 °C – BTS °C)
AGM: 42 mV × (25 °C – BTS °C)
The temperature compensation coefficients on
a 48-volt battery
are as follows:
Flooded: 108 mV × (25 °C – BTS °C)
Gel: 108 mV × (25 °C – BTS °C)
AGM: 84 mV × (25 °C – BTS °C)
AC Input SW 2524 230 SW 4024 230 SW 4048 230
Power factor at full charge rate > 0.98 > 0.98 > 0.98
Current
a
10.6 A 14 A 15 A
Maximum continuous
allowable
30 A 30 A 30 A
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