DC-UPS Module

24V / DRU-24V40ABN

Highlights & Features

  • Full corrosion resistant Aluminium chassis
  • Suitable for 24V system up to 40A
  • Built-in diagnostic monitoring for DC OK, Discharge and Battery Fail by relay contacts
  • LED indicator for DC OK, Battery Fail, DC Input, Battery Reverse Polarity and Battery Discharge
  • High MTBF > 500,000 hrs as per Telcordia SR-332
  • Wide operation temperature range from -20°C to +60°C
  • Conformal coating on PCBA to protect against chemical and dust pollutants 
Dimensions (L x W x D) : 
121 x 50 x 117.3 mm
4.76" x 1.97" x 4.62"
Unit Weight : 
0.60 kg (1.32 lb)
Nominal Output Voltage
Output Current
Output Voltage Range
Voltage Drop Between Input and Output
Charging Mode: 0V between DC input to load
Buffering Mode: 0.1V between battery to load @ 40A load
Nominal Input Voltage
Input Voltage Range
DC Input Voltage Range
24-28 Vdc
Input Current
Charging Mode: 2.0 ± 1A
Efficiency at 100% load
Charging Mode: > 70.0%
Buffering Mode: >99.0%
Charging Time
< 3 hr ± 1 hr for battery 24V/15AH
121 x 50 x 117.3 mm
4.76" x 1.97" x 4.62"
Unit Weight
0.60 kg (1.32 lb)
Case Chassis / Cover
Cooling System
Operating Temperature
-20°C to +60°C (full power)
Storage Temperature
-40°C to +85°C
Operating Humidity
5 to 95% RH (Non-condensing)
Overload / Overcurrent
42-52A, Latch-off Mode
Over Temperature
< 90°C Surrounding Air Temperature inside the unit, Latch-off Mode
Short Circuit
Shutdown, Latch-off Mode
Degree of Protection
Protection Against Shock
Class III
> 500,000 hrs. as per Telcordia SR-332
Electrical Safety
SIQ to EN 60950-1, UL/cUL recognized to UL 60950-1 and CSA C22.2 No. 60950-1, CB scheme to IEC 60950-1
In conformance with EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU
Galvanic Isolation
Power Port to Signal Port: 1.0KVac
Industrial Control Equipment
UL/cUL listed to UL 508 and CSA C22.2 No. 107.1-01,
CSA to CSA C22.2 No. 107.1-01 (File No. 181564)
Electrical Equipment for Use in Electrical Power Installations
EN 50178 / IEC 62103
Material and Parts
RoHS Directive 2011/65/EU Compliant
CISPR 32, EN 55032, EN 55011, FCC Title 47: Class B
EN 55024, EN 61000-6-2
Component Power Supply for General Use
EN 61204-3


Datasheet Uploaded on 01-Dec-2018 1.3 MB
.DXF Uploaded on 13-Jul-2015 175 KB
Manual Uploaded on 18-Nov-2016 1.5 MB
Mechanical Drawing Uploaded on 13-Jul-2015 37 KB
.STP Uploaded on 13-Jul-2015 2.1 MB
Image Uploaded on 03-Nov-2016 119 KB


CB Uploaded on 13-Jul-2015 896 KB
CE Uploaded on 27-Mar-2017 50 KB
CSA Uploaded on 13-Jul-2015 103 KB
EAC Uploaded on 27-Mar-2019 1.1 MB
REACH Uploaded on 18-Dec-2018 545 KB
RoHS Uploaded on 18-Dec-2018 380 KB
SIQ Uploaded on 13-Jul-2015 955 KB
UL Uploaded on 13-Jul-2015 68 KB
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