Product Manual
5
Introduction
All new Current Mode switching design offers increased power and reliability in a compact
package. Extra input and output ltering reduce EMI to extremely low levels. Reliability
features include an input fuse, thermal shutdown, current limiting, reverse battery hookup
protection and output short circuit shutdown with automatic recovery. The output voltage is
easily adjusted 1.0 volts above or below the standard output voltage. The model BCA1000
Battery Charger supplies either 12, 24, 32 or 48 VDC from a 110 or 220 VAC power source.
High quality digital meters can be added (factory option) to allow monitoring of charging
current and charging voltage. A remote control option or equalize & temperature compensa-
tion (factory installed) option is available for this model.
Features
In a DC UPS ( Un-interruptible Power Supply ), the charger simultaneously powers the DC load
as well as the battery. As long as the AC power to the charger is available and the charger is
working normally, the charger will supply the DC load as well as charge / oat the battery. In
case the AC power fails or if the charger stops working, the battery will automatically power
the DC load. As soon as the AC power to the charger is restored, the DC load will once again
be fed by the charger and at the same time the battery will be recharged. CAUTION! Please
ensure that the sum of the current drawn by the DC load and the current desired for charging
the battery is less than the maximum current capacity of the charger. To use as a DC UPS, rst
switch off the DC load and connect it to the battery. Now connect the battery. Switch on the
charger and then switch on the DC load.
Specications
Input Voltages
Nominal (ip) 110 220
Actual (Vac) 90 – 130 180 - 260
Frequency (Hz) 45 - 65
Input Amps (max) 17 8.5
Input Fuse (Slow Blow) MDA-20 (12V) / MDA-25 all others MDA-10 (12V) / MDA-15 all others
Output Voltages
Nominal (op) 12 24 32 48
Float (Vdc) 13.6 ± 0.05 27.2 ± 0.05 36.3 ± 0.05 54.4 ± 0.05
Absorption Voltage (Vdc) 14.4 28.8 38.4 57.6
Charging Amps 60 40 30 20
Absorption to Float 9 Amps 6 Amps 4.5 Amps 3 Amps
Output Fuses (ATC) 40 x 2 40 x 2 40 x 2 25 x 2
Battery Banks 1 or 2 1 or 2 1 or 2 1 or 2
Output Adjust ± 1.0 Volts