NW3100-KR Rack-Mount UPS

10–20 kVA three-phase-in, single-phase-out online double-conversion UPS

The NW3100-KR series is a 10–20 kVA rack-mount online UPS with double-conversion topology, 0 ms mains-to-battery transfer and an ECO mode. It is intended for critical loads such as communications, computers and network equipment; long-runtime models support external batteries.

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PRODUCT INSIGHTS

Online double conversion with zero transfer

Double-conversion topology; mains-to-battery transfer is 0 ms, as is inverter-to-bypass transfer.

Three ratings from 10 to 20 kVA

Available in 10, 15 and 20 kVA models, rated at 8, 12 and 16 kW respectively.

ECO energy-saving mode

Efficiency in ECO mode is 96%.

External batteries for long-runtime models

Long-runtime models support external batteries, with a maximum charging current of 4 A.

Black server racks, network cables and status lights in a data center

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Communications systems and network equipment
Critical computer and equipment-room loads

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Product information

TECHNICAL SPECIFICATIONS

Product specifications & functions

Models and rated output: NW3100-10KR(L): 10 kVA / 8 kW; NW3100-15KR(L): 15 kVA / 12 kW; NW3100-20KR(L): 20 kVA / 16 kW.
Input supply and range: Three-phase input: 3 × 400 V AC (3Ph+N); input range 305–478 V AC at full load and 190–520 V AC at half load; input frequency 46–54 Hz or 56–64 Hz.
Input power factor and harmonics: Input power factor: 0.99 at full load; input current THDi: ≤6% at full load.
Output voltage: 208 / 220 / 230 / 240 V AC (1Ph+N); when set to 208 V, output capacity is derated to 90%.
Output power factor and regulation: Output power factor: 0.8 (0.9 optional); battery-mode voltage stability: ±1%.
Frequency, waveform and distortion: Synchronized frequency range: 46–54 Hz or 56–64 Hz; battery-mode frequency: 50 Hz ±0.1 Hz or 60 Hz ±0.1 Hz; pure sine wave on battery; crest factor up to 3:1; THD: ≤2% with linear loads and ≤5% with nonlinear loads.
Transfer time and efficiency: Mains-to-battery transfer: 0 ms; inverter-to-bypass: 0 ms. Online efficiency: 90.5% for 10 kVA and 91% for 15/20 kVA; ECO: 96%; battery mode: 87% for 10 kVA and 88% for 15/20 kVA.
Standard batteries and charging: 12 V / 9 Ah batteries. Standard 10 kVA unit: 20 cells (18–20 adjustable) × 1 string; 15/20 kVA: 20 cells (18–20 adjustable) × 2 strings. About 9 hours to 90%; maximum charging current: 1 A for 10 kVA and 2 A for 15/20 kVA; charging voltage 273 V DC ±1% (based on 20 cells).
External batteries for long-runtime units: Long-runtime units use user-supplied external batteries: 20 cells (18–20 adjustable); maximum charging current 4 A; charging voltage 273 V DC ±1% (based on 20 cells).
Dimensions and weight: 10 kVA standard unit: UPS 668 × 438 × 133 mm (3U), battery pack 580 × 438 × 133 mm (3U); UPS 22 kg, pack 63 kg. 15/20 kVA standard units: UPS 668 × 438 × 266 mm (6U), two 580 × 438 × 133 mm (3U) battery packs; UPS 45 kg, packs 63 kg each.
Operating environment and noise: Operating temperature: 0–40 °C; relative humidity: 0–90% RH, non-condensing. Noise at 1 m: <60 dBA for 10 kVA and <65 dBA for 15/20 kVA models.
Display, communications and alarms: LCD shows system status, load, battery capacity, operating/battery/bypass mode, input/output voltage and faults. RS-232/USB; optional SNMP. Audible alerts: every 4 s in battery mode, every 1 s at low battery, every 0.5 s on overload, continuous for faults.

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