GDS 703 Battery Back-up
Output 27V Nominal (26~31.5Vdc adjustable)
Rated Current 0~11.7A (316W)
Mains Input 100-230Vac (terminals J2)
Frequency Range 47~63 Hz
Standard Internal Battery 24Vdc 4Ah – others
available (terminals B+J5 / B-J6)
Protection short circuit, overload, over voltage, over
temperature (shutdown and automatic recovery)
Ripple and Noise (max.) 200mVp-p
Operating Temperature -15°C to +50°C
Battery Charging LED flashes to show when the battery is charging. The duration of the flashes changes
according to how close the battery voltage is to its float value and will be dim and infrequent when fully charged
Battery Voltage Low LED will illuminate when the battery voltage is low (at approximately 20 volts)
Charge Fail LED shows that battery charging has failed which may be because mains has also failed but could be
because the battery has failed or is disconnected
Mains Fail LED indicates mains power has been lost
Mains On LED is on when mains power is detected
Test LED (interior) indicates the version of software at power up with flashes and thereafter shows which of 6
possible states the charger is operating in
Charge Fail Relay SPCO rated @ 1A-120Vac – Connection via terminal J1
Mains Fail Relay Normally energised SPCO rated @ 1A-250Vac – Connection via terminal J8
Material Mild steel 1.2mm
Finish Powder coat – texture
Colour BS00A01 Ash Grey
Dimensions W314 x H264 x D116mm
Cable Entry 20mm knock-out entry top/bottom/rear
IP Rating IP52
Mounting 264x237mm Footprint with 4 M5 Holes
Weight 4.9Kg, 8.0Kg (with batteries)