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$6,946.25
| Voltage | WPC | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|---|
| 15 kVA / 12 kW | N/A | 120/208 VAC | 32.5″ | 24.0″ | 63.0″ | 450 lb |
| Voltage | 15Â kVA / 12Â kW |
| WPC | N/A |
| Amp/H | 120/208Â VAC |
| Length | 32.5″ |
| Width | 24.0″ |
| Height | 63.0″ |
| Weight | 450Â lb |
The Liebert NXb 15 kVA is a compact three-phase on-line UPS from the NX 10–30 kVA family, delivering low THDi, tight voltage regulation, and robust overload handling for server rooms and small data centers. Each unit is fully reconditioned, cosmetically refreshed, and tested in the USA for reliable, ready-to-deploy service.
| Category | Detail |
|---|---|
| Power & Topology | 15Â kVA / 12Â kW; on-line true double-conversion; sine-wave output; parallel capability available on higher frames |
| Input | 120/208 VAC, 60 Hz; 3-phase, 4-wire + G • Voltage window +10% / −20% • Frequency range 57–63 Hz • Reflected input current distortion ≤4% THDi (full load) • Input PF ≈0.99 (full load) • Current limit 125% FL • Nominal/Max input current: 42 A / 53 A; recommended input OCPD: 70 A |
| Output | 120/208 VAC, 60 Hz; 3-phase, 3- or 4-wire + G • Static regulation ±1% (balanced), ±2% (100% unbalanced) • Dynamic regulation ±5% for 100% load step, recovery ½ cycle to ±5% • VTHD ≤1% (linear), <4% at 100% non-linear • Load PF 0.70 lagging to 0.95 leading without derating • Overload 125%/10 min, 150%/1 min • Nominal output current: 42 A; recommended output OCPD: 60 A |
| Bypass | Integrated static bypass (make-before-break maintenance bypass available via matching sidecar or site MBB) |
| Short-Circuit / AIC | Coordinate with site one-line and protective device study (varies by installation) |
| Battery System | Nominal DC bus 288 Vdc • Max battery end-of-discharge current (15 kVA): ≈55 A dc • Internal battery options (factory FR/HR packs; typical 15 kVA runtimes ≈14 min FR / 26 min HR); external VRLA battery cabinets available for extended runtime |
| Controls & Comm | Graphical LCD/HMI with metering, alarms, event log; IntelliSlot network cards (SNMP/web), RS-485/Modbus, and dry-contact/relay options; EPO/REPO input |
| Physical | 24.0″ W × 32.5″ D × 63.0″ H (610 × 826 × 1600 mm); weight ≈ 450 lb (205 kg); heat dissipation ≈ 4,200 BTU/h; cooling air ≈ 558 CFM |
| Environment | Operating 32–104 °F (0–40 °C); ≤95% RH non-condensing; altitude to ~3,300 ft (1,000 m) without derating; acoustics <54 dBA @1 m |
| Accessory | Model | Notes |
|---|---|---|
| External Battery Cabinet | EBC (various) | Extends runtime; sized to desired minutes at load |
| Bypass & Distribution Sidecar | BDC / site MBB | Make-before-break maintenance bypass and downstream distribution |
| IntelliSlot Network Card | IS-UNITY-DP / Web Card | SNMP/Web, BACnet/Modbus integration; remote monitoring |
