The TOA VX‑2000DS Emergency Power Supply is a professional backup power unit designed to keep public address and voice evacuation systems running when main AC power fails. It works alongside a primary power supply to continuously charge two sealed 12 V lead batteries, automatically switching to battery power without interruption in the event of an AC mains outage. This unit features six DC outputs to supply power to system components, temperature‑compensated charging for battery longevity, and an RJ45 control connector for system monitoring functions like battery status and power faults. Built for reliability, it’s certified to EN 54‑4 standards required in emergency voice alarm systems and comes in a rugged rack‑mountable chassis. With a robust design suitable for professional AV installations, it helps ensure public safety communications remain operational when they are needed most.
Features
- Emergency DC power supply for voice alarm / public address systems.
- Automatic switch‑over to backup batteries if AC power fails.
- Temperature‑compensated battery charging for longer battery life.
- Six DC output terminals (25 A max each) to power multiple devices.
- EN 54‑4 certified for use in regulated emergency systems.
Specifications
| Power Source | 230 V AC, 50/60 Hz |
|---|---|
| Power Consumption | 240 W max. |
| Applicable Battery | YUASA NP series (12 V × 2 or 4) |
| Charging Method | Trickle charging |
| Charging Current | 5 A max. |
| Charging Output Voltage | 27.3 V ±0.3 V (at 25?) Temperature correction coefficient: -40 mV/? |
| Power Supply Input | 6 M4 screw terminal, distance between barriers: 11 mm |
| DC Power Output | 6 (25 A max. each) M4 screw terminal, distance between barriers: 11 mm |
| Control Connector | RJ45 female connector for connecting the VX-2000SF Surveillance Frame. Twisted-pair straight cable (TIA/EIA-568A standard) Type of control signal: Battery check, AC power status, DC power status, charging circuit failure, and battery failure |
| Battery Connection | 1 pair of positive and negative terminals Applicable cable diameter: AWG 6 – AWG 1/0 |
| Operating Temperature | 0? to +40? |
| Finish | Panel: Surface-treated steel plate, black, 30% gloss, paint |
| Dimensions | 482 (W) × 88.4 (H) × 377.6 (D) mm |
| Weight | 10.5 kg |
| Accessory | Rack mounting screw ……4, Fiber washer ……4, Blade fuse (40 A) ……3, Fuse (T3.15 A L) ……1, Power cable ……1, Insulating sheet ……1, Attention label (German) ……1 |
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