Backup Battery Box for DC Obstruction lighting System

Short Description
  • Input voltage: 85-265VAC/48VDC/24VDC
  • Output voltage: 48VDC/24VDC
  • Backup DC obstruction lighting system after power loss
  • Battery charger with 3-stage charing curve to protect battery pack from overcharging
  • Outdoor type, IP65
  • Customizable battery pack capacity
Compliance
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Overview

Using REDDOT backup battery box for DC obstruction lighting systems is an ideal solution during the DC power outage.

The main components are composed of chargeable VRLA battery packs and a battery charger. The backup battery box can accept 85-265VAC, 48VDC or 24VDC. For example, typical 48VDC power used in telecommunication, when 48VDC power input loss occurs, the battery box takes over powering the obstruction lighting system. When the 48VDC main power source is recovered, it continues supplying power to the obstruction lighting system meanwhile charging batteries.

The battery box capacity is subject to the power consumption of the obstruction lighting system and backup hours requested by users.

BKD
Key Parameters

85-265VAC 50/60Hz, 48VDC, 24VDC

Optional Input Voltage

48VDC, 24VDC

Output Voltage

Max. OB outputs

Max. alarm outputs

Circuit Breaker

20KA SPD

IP65

Protection

Features

  • Input voltage: 85-265VAC/48VDC/24VDC
  • Output voltage: 48VDC/24VDC
  • Backup DC obstruction lighting system after power loss
  • Battery charger with 3-stage charing curve to protect battery pack from overcharging
  • Outdoor type, IP65
  • Customizable battery pack capacity

Specifications

ItemDC Backup Battery Box Specifications
POWER SUPPLY
Input Voltage85-265VAC / 48VDC / 24VDC
Output Voltage48VDC / 24VDC
Battery CapacitySubject to obstruction lighting system
Backup HoursDepends on request
MECHANICAL STRUCTURE
Enclosure TypeOutdoor
Enclosure MaterialCold-rolled steel / SS304
Net Weight8-15KG
Dimension (H*W*Depth)422*300*200mm / 522*400*200mm
ProtectionIP65
Operaton Temperature-30°C~+60°C
Operation Humidity20-95% RH non-condensing
MountingWall mounting or U-bolt mounting

Ordering Code

SeriesInput voltageOutput Voltage (Note3)Battery Voltage (Note1)Battery capacity (Note2)Enclosure Material
BKDA220 (85-265VAC)D48 (48VDC)VariableVariableSS (SS304)
A120 (85-265VAC)D24 (24VDC)CRS (Cold-rolled steel)
D48 (48VDC)
D24 (24VDC)
Notes:
1) Battery voltage is the voltage after batteries connected in series and/or parallel.
2) Battery capacity is the capacity after batteries connected in series and/or parallel.
E.g.: BKD-D48D48-3615-SS = Backup battery box, 48VDC input, 48VDC output, with 36VDC 15Ah battery, SS304 enclosure
3) When output voltage is 48VDC, input can only be 85-265VAC / 48VDC

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