DALTON UPS U31 SERIES
U31 Smart Online Double Conversion UPS
10KVA – 20KVA
Three Phase Input / Single Phase Output 3:1
Our third generation of transformerless ON LINE UPS systems.
The 10-20 kVA U31 rewrites the concept of flexible power by offering a choice of three
compact cabinet size to suite the needs of any small data centre or mission-critical application.
Enhanced overload and short circuit capacity guarantee maximum availability.
Incorporating a color display and intuitive LED status indicator that color
automatically changes color based on the UPS’s current operating state.
– Three Phases input / single phase output
-Transformer less UPS Technology
-Industrial Optional SNMP Communication Port
– Maintenance Bypass Switch
– Wide input voltage window
Specifications
| Model | U31 10K |
U31 10KS |
U31 15K |
U31 15KS |
U31 20K |
U31 20KS |
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| Rating | 10KVA/8KW | 15KVA/12KW 20KVA/16KW | 20KVA/16KW | |||||||
| Input | Input system | 3 Phases + N & earth ground Or Single phase & earth ground | ||||||||
| Voltage range | 274~474VAC(full load) | |||||||||
| Power factor | ≥0.99 | |||||||||
| Frequency | 40~60Hz(50Hz)/50~70Hz(60Hz) | |||||||||
| Output | Output system | Single phase & earth ground | ||||||||
| Rated voltage | 200V/208V/220V/230V/240V | |||||||||
| Power factor | 0.8 | |||||||||
| Voltage precision | ±2% | |||||||||
| Voltage distortion | Linear≤7% on RCD 100% loading (Non-line) Linear≤3% on R 100% loading (line) | |||||||||
| Output waveform | Pure Sine Wave | |||||||||
| Output frequency | Normal mode | (1)synchronized 46~54Hz (2)50Hz(line 40~46 or 54~60Hz) |
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| Battery mode | 50Hz,60Hz | |||||||||
| Inverter overload capacity )Utility power, 25Co) |
100%-125%,1 minutes to transfer to bypass; >150%,300ms to transfer to bypass |
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| Transfer time | 0ms | |||||||||
| Crest factor | 3:1 | |||||||||
| DISPLAY/ INTERFACE | LCD Display | AC/ DC voltages; kVA/ kW; Frequency; Temperature; Battery & load level | ||||||||
| LED Status Indicator | Utility power; Battery discharge; Inverter On | |||||||||
| External Communication | RS232 / RJ11 / Optional Intelligent Slot | |||||||||
| Control | 3 control push button for POWER ON / POWER OFF / FUNCTION KEY | |||||||||
| Communication soft- ware | Windows XP/ 2003 and later version; Linux; Unix | |||||||||
| Optional | SNMP Card/ USB Card/ Dry Contact AS400 Card/ CMC Card/ RS485 Card/ EMD Monitoring Device | |||||||||
| Battery | Batteries voltage | 240VDC | ||||||||
| Battery Type | Sealed maintenance-free lead –acid battery | |||||||||
| Backup Time (25Co) | Full load ≥ 5min (Standard) | |||||||||
| Battery quantity | 20 | None | 20 | None | 20 | None | ||||
| Charge current | 1A | 6.5A | 1A | 5.5A | 1A | 5.5A | ||||
| L*W*H (mm) | 560X260X717 | 533x260x501 | 560X260X717 | 533x260x501 | 560X260X717 | 533x260x501 | ||||
| Weight (kg) | 73 | 23 | 83 | 33 | 88 | 38 | ||||