DC Power Systems

Select an item from the list below:

19″, 2U rack mount shelf with integrated power distribution
90-250 VAC input, Power Factor Corrected
3 power bays accept 1000 or 2000 watt modular rectifiers
111 amp, 6000 watt total max. output capacity, (74 Amp, 4000 Watt, N+1) @ – 48 VDC, (74 Amp, 2000Watt, N+1) @ 24VDC
Output temperature compensated for precise battery charging
16 DC circuit breaker distribution capacity, with tripped breaker alarm
Master disconnect breakers for two battery banks, with tripped breaker alarm
Controller with digital display of system parameters with TCP/IP interface and SNMP monitoring/logging
Alarm contacts monitor major system functions
Low voltage disconnect built in
Easily configures to meet site power requirements

19″, 2U rack mount shelf with integrated power distribution
90-250 VAC input, Power Factor Corrected
2 power bays accept 1000 or 2000 watt modular rectifiers
- 74 amp, 4000 watt total max. output capacity, (37 Amp, 2000 Watt, N+1) @ – 48 VDC
2 power bays accept DC-DC modules
- -48V to 12V and -48V to 24V
Output temperature compensated for precise battery charging
-48VDC circuit breaker distribution capacity with tripped breaker alarm
10 DC circuit breaker distribution capacity, with tripped breaker alarm
1 each DC-DC converter output circuit breaker distribution with tripped breaker alarm
Master disconnect breakers for two 48 volt battery banks, with tripped breaker alarm
Controller with digital display of up to three system DC system parameters with TCP/IP interface and SNMP monitoring/logging
Alarm contacts monitor major system functions
Low voltage disconnect built in
Easily configures to meet site power requirements

19”, 5U rackmount shelf with integrated power distribution
90-250 VAC input, Power Factor Corrected
7 power bays accept 1000 or 2000 watt modular rectifiers
259 amp, 14,000 watt total max. output capacity, (222 Amp, 2,000 Watt, N+1) @ – 54 VDC
Output temperature compensated for precise battery charging
18 DC circuit breaker distribution capacity, with tripped breaker alarm, 63 amp max. circuit breaker rating
Master disconnect breakers for four battery banks, with tripped breaker alarm
Controller with digital display of system parameters with TCP/IP interface and SNMP monitoring/logging
Alarm contacts monitor major system functions
Low voltage disconnect built in
Easily configures to meet site power requirements

Precision regulated power supply simultaneously maintains batteries at peak charge and supplies system load.
Built-in batteries instantly power load during AC failure–no switch-over delay. 3-5 year average life. Terminals provided for additional external batteries for increased back-up capacity.
Terminals provided for easy addition of parallel rectifier. (48V and 24V models only)
Automatic low voltage and manual battery disconnect.
Numerous front panel monitors–L.E.D. status indicators and digital ammeter/voltmeter.
Form C summary failure alarm contacts; loss of internal rectifier output, loss of external rectifier output, LVBD contactor open. AC input failure alarm contacts optional.
Numerous protection features–AC input breaker, internal battery breaker, auto thermal shutdown/recovery, current-limiting, short-circuit and over-voltage protection.
19″ or 23″, 6” forward rack mount brackets provided

Redundant hot swap rectifiers provide high system reliability
Powers transmitters and maintains back-up batteries
100 amp output per module – 200 amp system capacity
Controller module provides Web based remote monitoring and alarms, and digital LCD display of DC volts and amps
Compact 1U rackmount shelf
Optional LVD and power distribution shelf

19”, 1U rackmount shelf with integrated power distribution and SNMP digital controller
90-250 VAC input, power factor corrected
3 power bays accept 600 watt modular rectifiers, -48V
33 amp, 1800 watt total max. output capacity
Output temperature compensated for precise battery charging
4 DC circuit breaker distribution capacity, with tripped breaker alarm
Master disconnect breaker for two battery banks, with tripped breaker alarm
Controller with digital display of system parameters with TCP/IP interface and SNMP monitoring/logging
Alarm contacts monitor major system functions
Low voltage disconnect built-in
Easily configures to meet site power requirements

Well regulated noise free output – no interference with sensitive electronic loads
Separate Battery Charger output with remote temperature compensation sensor
Automatic Boost voltage output after AC power failure quickly recovers battery
Low voltage disconnect protects batteries from over discharge
Output current indicator LEDs
Wide temperature operating range (-40 to +70° C), convection cooled, meets AREMA standards
Alarm contacts interface with remote monitor systems

19″ 1U Rack Mount Rectifier Shelf
Choice of -48V or +24V DC rectifier shelf
Output power from 150W up to 450Watt
Optional five-position GMT fuse distribution panel
Scalable/adaptable hot swap configuration: N, N+1, N+2
Front panel status indicators, output voltage test points and adjustment potentiometers
Individual or summary rectifier alarm contacts; Form C
Summary fuse panel alarm contacts; Form C
Forced air cooling of rectifiers for extended component life
115/230 VAC shelf/rectifier input—easily adapts to available site power
GMT fuse panel: Five positions, easy rear panel wiring to loads, fuse access at front
Shelf adapts for 19″ or 23″ rack; center or flush mount (four-point cabinet mount optional)