Mercury 20kva/18kw 3 Phase Online Ups


KES 480,000 Excl. Tax KES 590,000
  • Mercury online YDC3320S UPS, 0.8/9PF
  • 20KVA/18KW
  • 3/3 phase
  • ±120VDC (2*20*9AH/12V battery)
  • input/output battery terminal
  • USB/RS232/RS485
  • Communication interface & SNMP CARD
Model Number20kva UPS


This product does not have any reviews yet.

Add your review


Mercury 20kva/18kw 3 Phase Online Ups  

Mercury 20kVA 3-Phase in / 3-phase out Online UPS EP20K offers the large UPS capacity a user may want, but also the 3-Phase input-output specification that may be required for some installations.

Still, the Mercury 3-phase 20kVA online UPS brings advanced features and the superb quality and decent pricing that Mercury UPS products have stood out for. Mercury UPS series offers the best quality-price fit, giving you the opportunity to acquire high performance power backup systems at the best market price.

The Mercury EP20K 20kVA Online UPS Power rating of 18kW and a battery voltage of 384VDC. It is a high efficiency UPS and suitable for critical installations.

View the specifications of the 20kVA 3-phase in - 3-phase out Mercury UPS EP20K

  • Capacity: 20kVA (kilovolt-ampere)
  • Power Rating: 18kW (kilowatts)
  • UPS Topology: Online Double Conversion
  • Input Voltage: 3-Phase, 380/400/415VAC
  • Output Voltage: 3-Phase, 380/400/415VAC
  • Frequency: 50/60Hz
  • Efficiency: High efficiency at full load and partial load
  • Battery Type: External batteries required for extended runtime (not included)
  • Communication Ports: RS232, USB, SNMP
  • Display: LCD or LED display for status and parameters monitoring
  • Protection Features: Overload protection, short circuit protection, surge protection, voltage regulation, frequency regulation, etc.
  • Backup Time: Varies depending on the load and battery configuration
  • Form Factor: Rack-mount or tower configuration options available


Output :
Phase 3 Phase 4 Wire (3ph+N+PE)
Rated Voltage 380 / 400 / 415VAC
Rated Power Factor 0.9
Frequency 50Hz/60Hz ±0.5Hz (Battery Mode)
50/60 (1±1/2/4/5%)Hz (On-Line)
Voltage Precision Output Balanceable:±1.0%; Output Non-Balanceable:±3.0%
THD Linear Load: ≤2.0%; Non-Linear Load: ≤4.5%
Overload Capability 110% for 60mins; 125% for 10mins; 150% for 1min
Crest Factor ≥3 : 1
Waveform Sine Wave
DC Component ≤500mVDC
Output Current 24A / 36A / 48A / 72A / 96A (380V - Full Load)
23A / 35A / 46A / 70A / 94A (400V - Full Load)
22A / 33A / 44A / 66A / 88A (415V - Full Load)
Input :
Rated Voltage 380 / 400 / 415VAC
Voltage Range Po≤69%: 208±5VAC~478±5VAC
Po≥69%: 304±5VAC~478±5VAC
Frequency 40±0.5Hz~70±0.5Hz
Input Phase 3 Phase 4 Wire (3ph+N+PE)
THDi Input THD≤1.0%, Linear Load: ≤3.0%
Input THD≤1.0%, Non-Linear Load: ≤7.0%
Power Factor >0.99
Battery :
Model Sealed Lead Acid Battery (VRLA)
Configurable Battery 32 (Not included, purchased separately)
Discharge Current (320VDC) 54A / 81A / 106A / 160A / 213A
Charge Current (Max) 20/30KVA 40/60/80KVA
15A 30A
System :
Efficiency ≥90% (Line Mode)
≥93% 20/30KVA , ≥94% 40/60/80KVA (Battery Mode)
≥97% (ECO Mode)
Wasting ≤3% (Line Mode)
≤2% (ECO)
Noise at 1M <56dB
Running Temperature 0~40˚C
Relative Humidity 0%RH~95%RH (Non-condensing)
Altitude 1000m Output Normal Power
Display LCD+LED
Breaker/ Fuse 40A / 63A / 80A / 125A / 160A
Remote Signaling Dry Contact
Communication RS232/RS485/SNMP
MTBF Inverter MTBF >50,000 Hours
Single Modules MTBF >250,000 Hours
1+1 Expandable Modules MTBF >400,000 Hours
MTTR The MTTR of Each Single UPS Modules is Lower 30mins
Dielectric Resistance > 2MΩ (500VDC)
Dielectric Strength 2820VDC, Leak Current<3.5mA, 1min
Vibration Impact Fulfill standard ISTA (International Safe Transmission Association) 1B
Transportation Fulfill standard ISTA (International Safe Transmission Association) 1B
Degree Of Protection Ip20
Net/Gross Weight (kg) 242/266
Dimension(WxDxH) mm 930 x 700 x 1390
Bypass :
Voltage Range 380V
Frequency Range 50(1±10%)Hz / 60(1±10%)Hz
Phase 3 Phase 4 Wire (3ph+N+PE)
Overload Capability 125%~170% for 10mins
Eco Mode :
Voltage Range 380V 304±5VAC~399 / 418±5VAC
400V 320±5VAC~420 / 440±5VAC
415V 332±5VAC~436 / 457±5VAC
Frequency Range 50(1±10%)Hz / 60(1±10%)Hz
Phase 3 Phase 4 Wire (3ph+N)
Model EP20K
Capacity 20kVA 
Power 18KW
Maximum Input Current 40A / 63A / 80A / 125A / 160A