DC-UPS Module

24V / DRU-24V10ACZ

Highlights & Features

  • Suitable for 24V system up to 10A
  • Zero switch over time from loss of DC input to battery operation
  • Built-in diagnostic monitoring for DC OK, Discharge and Battery Fail by relay contacts
  • Full power over entire operating temperature range from -20°C to +60°C
  • LED indicator for DC OK, Battery Charging, Battery Discharging, Battery Fail and Battery Reverse Polarity
  • High MTBF > 500,000 hrs as per Telcordia SR-332
  • Overvoltage / Overcurrent / Over temperature / Short circuit protections
Dimensions (L x W x D) : 
91.0 x 71.0 x 55.6 mm
3.58" x 2.80" x 2.19"
Unit Weight : 
0.14 kg (0.31 lb)
Nominal Output Voltage
Output Current
Nominal Input Voltage
Input Voltage Range
DC Input Voltage Range
24-28 Vdc
Input Current
Charging Mode: 0.5 ± 0.1A
Efficiency at 100% load
Charging Mode: > 80.0%
Buffering Mode: >99.0%
Charging Time
< 30hr ± 5hr for battery 24V/12AH
91.0 x 71.0 x 55.6 mm
3.58" x 2.80" x 2.19"
Unit Weight
0.14 kg (0.31 lb)
Case Chassis / Cover
LED Indicator
Green LED: DC OK, Battery Charging (flash)
Red LED: Battery Fail
Orange LED: Reverse polarity, Battery Discharging (flash)
Cooling System
Operating Temperature
-20°C to +60°C (full power)
Storage Temperature
-25°C to +85°C
Operating Humidity
5 to 95% RH (Non-condensing)
Shock Test (Non-Operating)
IEC 60068-2-27, Half Sine Wave: 50G for a duration of 11ms, 3 time per direction, 9 times in total
Shock (Operating)
IEC 60068-2-27, Half Sine Wave: 4G for a duration of 22ms, 3 time per direction, 9 times in total
Vibration Test (Non-Operating)
IEC 60068-2-6, Random: 5Hz to 500Hz @ 2.09Grms); 20 min per axis for all X, Y, Z directions
Vibration (Operating)
IEC 60068-2-6, Sine Wave: 10Hz to 500Hz @ 19.6m/S² (2G peak); 10 min per cycle, 60 min for all X, Y, Z directions
Operating Altitude
0 to 3,000 Meters
Pollution Degree
Buffering Mode: 33Vdc Max will not cause damage to the unit, Latch Mode
Overload / Overcurrent
Buffering Mode: < 18A, Latch Mode
Over Temperature
Buffering Mode: < 90°C Surrounding Air Temperature inside the unit, Latch-off Mode
Short Circuit
Buffering Mode: Shutdown, Latch-off Mode
Degree of Protection
Protection Against Shock
Class III
Input Polarity Protection
Yes (DC OK = open contact, LED Status = Orange)
Battery Polarity Protection
Yes (DC OK = open contact, LED Status = Orange)
Wrong Battery Voltage Protection
Shutdown, 35V Max (the maximum voltage that will not cause damage to the unit)
Deep Discharge Protection
Yes (22V ± 1V)
> 500,000 hrs. as per Telcordia SR-332
Electrical Safety
SIQ Bauart: EN 60950-1
UL/cUL recognized: UL 60950-1 and CSA C22.2 No. 60950-1 (File No. E191395)
CB scheme: 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: UL 508 and CSA C22.2 No. 107.1-01 (File No. E315355)
Electrical Equipments of Machines
EN 60204-1
Electrical Equipment for Use in Electrical Power Installations
EN 62477-1 / IEC 62103-1
Safety Entry Low Voltage
SELV (EN 60950-1) PELV (EN 60204-1, EN 62477-1)
Material and Parts
RoHS Directive 2011/65/EU Compliant
( CE & RE)
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
Nominal Battery Voltage
24Vdc, SLA Sealed lead acid battery 2 x 12Vdc, SLA Sealed lead acid battery
Battery Voltage Range
23-28Vdc (continuously operating) 33Vdc Max (the maximum voltage that will not cause damage to the unit) 20Vdc Min (the voltage level of battery to enable “BAT Fail” function)
Battery Capacity
3.3AH to 12AH
Battery Charging Mode
CC-CV mode (constant current-constant voltage) at 0.5A
End of Charge Voltage
The unit always charge with fix input voltage value
Battery Fuse
Auto 15A / 58V, MINI (Littelfuse) or similar in the battery path. The battery fuse protects the wires between the battery and the unit


Datasheet Uploaded on 01-Dec-2018 1.1 MB
.DXF Uploaded on 09-May-2018 248 KB
Manual Uploaded on 07-May-2018 1.3 MB
Mechanical Drawing Uploaded on 04-May-2018 125 KB
.STP Uploaded on 09-May-2018 1.8 MB
Image Uploaded on 04-May-2018 339 KB


CB Uploaded on 07-May-2018 2.6 MB
CE Uploaded on 07-May-2018 66 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 07-May-2018 2.1 MB
UL Uploaded on 13-Jul-2015 68 KB
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