Emergency Power Supply

The VX-3000DS is an Emergency Power Supply Manager used for the SX-2000, VX-2000 and VM-3000 systems. It is a 3U rack-mount unit equipped with a battery charger and dual switching power supplies, which contribute to rack space, energy-saving and lightweight design. The VX-3000DS features easy maintenance as function setting switch and shutdown switch inside the front panel, and fuse replacement can be performed on the unit's rear side.

  • DC power supply to all system components
  • Combination of two built-in power source units with a high-performance charger
  • Automatical switch to auxiliary battery power if the AC power supply is down
  • VX-3000DS: EN 54-4 certified, Certificate No: 1134-CPR-137

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Specifications for product:
Power source

220 - 230 V AC, 50 / 60 Hz


DC power output:
8 x 31 V (19 – 33 V) 25 A max. each, M4 screw terminal, distance between barriers: 11 mm

3 x 31 V (19 – 33 V) 5 A max. each, removable terminal block (3 x 2 pins)

1 x 24 V (16 – 25 V) 0.3 A max., removable terminal block (1 x 2 pins

Charging method

Temperature compensated trickle charging

Charging output voltage

27.3 V ±0.3 V (at 25 ˚C), Temperature correction coefficient: -40 mV/ ˚C

Battery connection

One each positive and negative terminal, applicable cable diameter: AWG 6 – AWG 0 (AWG 1/0) (16 mm2 – 50 mm2)

Line resistance within 4 mΩ / total

Control connector

RJ45 female connector for connecting the system and cascade connection

Shielded Twisted-pair straight cable (TIA/EIA-568A standard)


Type of control signal: Battery check, AC power status, DC power status, charging circuit failure, battery failure, and communication

Panel indicator

AC power IN 1, IN 2 (Green), Charging (Green), Battery power

(Green), Battery connect (Green), Battery condition (Green)

Power / current consumption

2800 W max. in total (at rated output with charging),

350 W max. each (EN 60065)

Operating temperature

-5 °C to +45 °C

Operating humidity.

90 % RH or less (no condensation)


482 x 132.6 x 400.5 mm (W x H x D)


Steel plate, black

Accessory (included)

Fuse (T8A H) x 2, Fuse (T6.3A L) x 2, Blade fuse (35 A) x 2, Rack mounting screw (with washer) x 4, Power cord (2 m) x 2, Fastener hook x 4, Fastener loop x 4, Thermal insulating sheet x 1, CAT5-STP cable (3 m) x 1, Ferrite clamp x 1

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