TN836 High Current Digital Series AC to DC Power Supplies
MT-3/4 Radio Systems
TECHNICAL NOTES
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TN836, REV 3-0-0, © Aug 2016
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The high current digital series power supplies provide 675 Watts (50 Amps @ +13.8 Vdc) or 1350 Watts (100 Amps
@ +13.8 Vdc) of power and are 19” rack mountable in a 1 RU rack mount chassis and include battery backup
capability.
The digital series power supply may include the following features:
• Front panel control of voltage, current limiting (optionally password protected).
• TCP/IP Ethernet connector for remote monitoring and control of power supply via a built-in web server.
• Battery backup and Low Voltage Disconnect (LVD) with adjustable setpoints.
• Connect up to 6 power supplies in parallel with load sharing control.
• Form C alarm contacts and remote on/off capability.
• Temperature controlled fans (front to rear airfl ow).
Specifi cations
Input Voltage Range 100 to 265 Vac (Automatic)
Frequency Range 50 / 60 Hz
Output Voltage Range +12 Vdc (+11.5 - +15.5 Vdc)
Continuous Output Current 50 Amps or 100 Amps @ +12 Vdc (+60°C)
Operating Temperature Range -20°C to +60°C
Typical Effi ciency 90% @ 220 Vac
Output Ripple 15mV RMS
Models Available
PSA-12-50-R6-31 50 Amps with Battery Backup and Remote / Alarm Connector
(No Front Panel Display / Control and no Ethernet connector).
PSA-12-50-R5-11 50 Amps with Battery Backup, Remote / Alarm Connector, Front Panel
Display / Control and Ethernet connector.
PSA-12-50-R5-12 50 Amps with Battery Backup, Remote / Alarm Connector, Front Panel
Display / Control (No Ethernet connector).
PSA-12-100-R5-11 100 Amps with Battery Backup, Remote / Alarm Connector, Front Panel
Display / Control and Ethernet connector.
PSA-12-100-R5-12 100 Amps with Battery Backup, Remote / Alarm Connector, Front Panel
Display / Control (No Ethernet connector).
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