Mercury 20kva/18kw 3 Phase Online Ups



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:


Phase3 Phase 4 Wire (3ph+N+PE)
Rated Voltage380 / 400 / 415VAC
Rated Power Factor0.9
Frequency50Hz/60Hz ±0.5Hz (Battery Mode)
50/60 (1±1/2/4/5%)Hz (On-Line)
Voltage PrecisionOutput Balanceable:±1.0%; Output Non-Balanceable:±3.0%
THDLinear Load: ≤2.0%; Non-Linear Load: ≤4.5%
Overload Capability110% for 60mins; 125% for 10mins; 150% for 1min
Crest Factor≥3 : 1
WaveformSine Wave
DC Component≤500mVDC
Output Current24A / 36A / 48A / 72A / 96A (380V – Full Load)
23A / 35A / 46A / 70A / 94A (400V – Full Load)
22A / 33A / 44A / 66A / 88A (415V – Full Load)
Rated Voltage380 / 400 / 415VAC
Voltage RangePo≤69%: 208±5VAC~478±5VAC
Po≥69%: 304±5VAC~478±5VAC
Input Phase3 Phase 4 Wire (3ph+N+PE)
THDiInput THD≤1.0%, Linear Load: ≤3.0%
Input THD≤1.0%, Non-Linear Load: ≤7.0%
Power Factor>0.99
ModelSealed Lead Acid Battery (VRLA)
Configurable Battery32 (Not included, purchased separately)
Discharge Current (320VDC)54A / 81A / 106A / 160A / 213A
Charge Current (Max)20/30KVA 40/60/80KVA
15A 30A
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 Temperature0~40˚C
Relative Humidity0%RH~95%RH (Non-condensing)
Altitude1000m Output Normal Power
Breaker/ Fuse40A / 63A / 80A / 125A / 160A
Remote SignalingDry Contact
MTBFInverter MTBF >50,000 Hours
Single Modules MTBF >250,000 Hours
1+1 Expandable Modules MTBF >400,000 Hours
MTTRThe MTTR of Each Single UPS Modules is Lower 30mins
Dielectric Resistance> 2MΩ (500VDC)
Dielectric Strength2820VDC, Leak Current<3.5mA, 1min
Vibration ImpactFulfill standard ISTA (International Safe Transmission Association) 1B
TransportationFulfill standard ISTA (International Safe Transmission Association) 1B
Degree Of ProtectionIp20
Net/Gross Weight (kg)242/266
Dimension(WxDxH) mm930 x 700 x 1390
Voltage Range380V
Frequency Range50(1±10%)Hz / 60(1±10%)Hz
Phase3 Phase 4 Wire (3ph+N+PE)
Overload Capability125%~170% for 10mins
Eco Mode:
Voltage Range380V 304±5VAC~399 / 418±5VAC
400V 320±5VAC~420 / 440±5VAC
415V 332±5VAC~436 / 457±5VAC
Frequency Range50(1±10%)Hz / 60(1±10%)Hz
Phase3 Phase 4 Wire (3ph+N)
Maximum Input Current40A / 63A / 80A / 125A / 160A
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