4
Specifications
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, 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. An output overvoltage
crowbar circuit protects devices connected to the converter. The PWS1000R Series Rack
Mount Voltage Converter supplies either 12, 24 or 48 VDC from a 12, 24, or 48 VDC power
source. Other input or output voltages up to 72 volts are also available by special order.
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
Output Crowbar
16.0 ± 0.5 Vdc
32.0 ± 1.0 Vdc
42.7 ± 1.3 Vdc
64.0 ± 2.0 Vdc
Output Amps (cont)
60
40
30
20
Output Amps (max)
70
45
34
22.5
