Online Ups

EH Series, Three Phase In - Single Phase Out, 10/15/20 kVA

Power Reliability with the Best Total Cost of Ownership

The Ultron EH series is an online double-conversion 3p-1p UPS which provides reliable power protection for IT rooms, SMBs, telecommunications, banking, medical facilities and industry. Supported with DSP based technology, it offers rapid computation capabilities that enhance system stability and provide precise voltage to load. The Ultron EH series offers many superior features including N+X parallel redundancy and a built-in manual bypass switch to guarantee higher availability and reliability for protecting your critical loads.


Assured Reliability

True online double-conversion technology to completely isolate the output power from all input anomalies.
DSP based technology to support rapid computation capability and a simplified control circuit for enhanced stability.
Dual input design to allow different power supply sources for enhanced availability.
Built-in manual bypass to ensure continuous power to the load even if the UPS fails.
Best Total Cost of Ownership
A wide input voltage range of up to 305~477V to reduce battery discharge probability and prolong battery life.
ECO mode efficiency up to 96% to reduce operating cost.
Small footprint to save space.

High Flexibility

Parallel expansion and N+X redundancy up to 4 units without requiring additional cards or equipment.
Additional charger and external charger box for flexible capacity expansion.
Remote and local emergency power-off functions (EPO) to promptly manage the UPS when emergencies occur.

Easy Manageability

Multi-connectivity interface to support remote UPS monitoring and management.
Advanced management software to provide event alert management, remote shutdown event log tracking and analysis.
Reliable battery management for better battery protection.

Technical Specifications

EH-10K / EH-15K / EH-20K
Power Rating
[10k]: 10kVA / 8kW
[15k]: 15kVA / 12kW
[20k]: 20kVA / 16kW
Nominal Voltage
220/380 Vac, 230/400 Vac, 240/415 Vac
Voltage Range
208~304 Vac ( 50%~100% load) / 305~477 Vac (100% load)
Power Factor
> 0.95 (full load)
50 / 60 Hz
220/230/240 Vac
Voltage Harmonic Distortion
< 3% (linear load)
Voltage Regulation
± 2 %
50/60 Hz ± 0.1Hz
Overload Capacity
≤105 %: continuous
≤106%~110%: 10 minutes
≤111%~125%: 5 minutes
≤126%~150%: 30 seconds
Battery Voltage
240 Vdc
Charge Current
Built-in: 4A
Additional charger board (optional): 4A
Charge Voltage
Float charge 272 ± 2 Vdc
Boost charge 280 Vdc
Communication Interfaces
SMART Slot x 1, MINI Slot x 1, Parallel Port x 2, RS232 Port x 1,
REPO Port x 1m Charger Detection Port x 1
Safety & EMC
CE, IEC62040-1, IEC62040-2
Other Features
Emergency Power Off
Local and remote
Maintenance Bypass Switch
Online Mode
ECO Mode
Operating Temperature
0 ~ 40ºC
Relative Humidity
5% ~ 95 % (non-condensing)
Audible Noise
[10k]: < 55 dBA
[15k / 20k]: < 60 dBA
Dimensions (W x D x H)
[10k]: 200 x 490 x 490 mm
[15k / 20k]: 250 x 610 x 650 mm
[10k]: 26 Kg
[15k / 20k]: 45 Kg
All specifications are subject to change without prior notice.