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$19,945.00
| Voltage | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|
| 750 kVA / 675 kW | 480/575/600 VAC | 39.4″ | 76.8″ | 140.5″ | 13,200 lb |
| Voltage | 750 kVA / 675 kW |
| Amp/H | 480/575/600 VAC |
| Length | 39.4″ |
| Width | 76.8″ |
| Height | 140.5″ |
| Weight | 13,200 lb |
The Liebert NXL 750 kVA delivers IGBT-controlled on-line protection with wide input tolerance,
computer-grade output, and robust overload handling for mission-critical facilities. Units are fully
reconditioned, cosmetically refreshed, and tested in the USA for dependable, ready-to-deploy service.
| Category | Detail |
|---|---|
| Power & Topology | 750 kVA / 675 kW (0.9 PF); IGBT sine-PWM; true double-conversion on-line |
| Input | Rectifier: 480/575/600 VAC, 3-phase (3-wire + G) • Bypass: 3- or 4-wire + G Voltage window +10%/−15% (additional sag handling per mode) • Frequency 60 Hz (±5 Hz) Reflected input current distortion ≤5% THDi at full load • Two-step input current limit (adjustable 25–125%) • Walk-in 1–30 s (adjustable) |
| Output | 480/575/600 VAC, 3-phase, 4-wire • Regulation ≤1% (balanced), ≤2% at 100% unbalanced VTHD <2% (linear); step-load recovery ≤1 cycle to within ±5% • Overload: 110%/60 min, 125%/10 min, 150%/60 s (104% continuous) |
| Bypass | Integrated static bypass • Bypass voltage range +15%/−20%; frequency sync range ±5 Hz |
| Short-Circuit / AIC | Withstand rating (UL tested): 65 kA @ 480 V (std) / 35 kA @ 600 V; optional 100 kA @ 480 V / 65 kA @ 600 V |
| Battery System | VRLA/FLA compatible • Nominal DC bus 480 V (float ≈540 V) • Max battery end-of-discharge current (750 kVA rows): ≈1845–1851 A dc (by input voltage) |
| Controls & Comm | Touch HMI; programmable relays; options for SNMP/web, RS-485/Modbus, and dry-contact I/O; EPO/REPO |
| Physical | 140.5″ W × 39.4″ D × 76.8″ H (3568 × 1000 × 1950 mm); weight ≈ 13,200 lb (5987 kg); cooling air ≈ 15,760 CFM; enclosure IP20; top/bottom cable entry |
| Environment | Operating 32–104 °F (0–40 °C); storage −13–158 °F (−25–70 °C); ≤95% RH non-condensing; altitude ≤4920 ft (1500 m) no derate (then ~1% kW/100 m to 3000 m); full-load heat dissipation (typ.): ~200–216k BTU/h (by line voltage) |
| Accessory | Model | Notes |
|---|---|---|
| External Battery Cabinets | Line-up & match (various) | VRLA/FLA strings sized to runtime; nominal 480 Vdc plant |
| Maintenance Bypass Cabinet | MBB (site-specific) | Wrap-around service bypass for maintenance |
| Remote Battery Breaker | RBB / DC disconnects | Cabinet-level DC isolation and safety interlocks |
