4
Introduction
All new Current Mode switching design offers increased power and reliability in a compact
package. Extra input and output filtering reduce EMI to extremely low levels. Reliability
features include an input fuse, thermal shutdown, current limiting 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 PWS1000 Power Supply supplies either 12,
24 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. Other output
voltages up to 72 volts are also available by special order.
Specifications
Input Voltages
Nominal (ip)
110Vac
220Vac
Actual
90 - 130Vac
180 - 260Vac
Input Amps (max)
13.2(12V) / 17(24/32/48V)
6.6(12V) / 8.5(24/32/48V)
Input Fuse (slow blow)
MDA-20(12V) / MDA-25 (24/32/48V)
MDA-10(12V) / MDA-15(24/32/48V)
Output Voltages
Nominal (op)
12Vdc
24Vdc
32Vdc
48Vdc
Actual
13.6 ± 0.05Vdc
27.2 ± 0.05Vdc
36.3 ± 0.05Vdc
54.4 ± 0.10Vdc
Adjust
± 1.0 Vdc
Output Crowbar
16.0 ± 0.5 Vdc
32.0 ± 1.0 Vdc
42.7 ± 1.3 Vdc
63.9 ± 2.0 Vdc
Output Amps (cont)
60
40
30
20
Output Amps (max)
70
45
34
22.5
Summary of Contents for PWS1000
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