20kVA/18kW
415/240VAC, 400/230VAC, 380/220VAC Three-Phase
18kW of efficient and reliable power in just 5U of rack space
Xtreme Power R91 provides industry leading power density and efficiency. Continuous online double conversion or ECO mode can be user selected. The R91 programmable battery charger and advanced rectifier power walk-in features help optimize compatibility with numerous source types and ratings.
The R91 UPS is available in many custom configurations including parallel tie with up to 4 modules, 480V input, maintenance bypass, and output distribution.
Product Snapshot
- Voltage can be configured for 415/240V, 400/230V, or 380/220V
- Parallel up to 4 modules for Capacity or Redundancy
- Online double conversion or ECO mode operation
- Programmable Rectifier power walk-in
- UL 1778, CE, FCC A, RoHS
Six advantages of modular uninterruptible power supply (UPS) over conventional UPS systems
| MODEL NUMBER | R91-20K | |||
|---|---|---|---|---|
| INPUT | Capacity | 20kVA/18kW | ||
| Phase | Three-phase + neutral + ground | |||
| Voltage range | 210–478VAC* | |||
| Frequency | 40–70Hz | |||
| Power factor | ≥ 0.99 | |||
| OUTPUT | Voltage | 415/240VAC, 380/220VAC, 400/230VAC (selectable) | ||
| Overload protection | 110% for 60 min; 125% for 10 min; 150% for 1 min; > 150% immediate | |||
| Voltage regulation | ± 2% | |||
| Efficiency | Online mode up to 94%; ECO mode up to 99% | |||
| PHYSICAL | Dimensions (W x D x H) | 443 x 580 x 131 mm (17.4 x 22.8 x 5.2 in) | ||
| Weight | 31 kg (68.4 lbs) | |||
| ENVIRONMENT | Operating temperature | 0–40°C (32–104°F) | ||
| Altitude | 11,500 ft above sea level | |||
| Humidity | 0–95% non-condensing | |||
| Storage temperature | -25–55°C (-13–131°F) non-condensing (UPS) | |||
| OPTIONAL BATTERY PACKS | Model | BP-XR4U480A | BP-XR2U480A | |
| Dimensions (W x D x H) | 17.4 x 33.9 x 7.0 in (4U) | 17.4 x 44.0 x 3.5 in (2U) | ||
| Unit/shipping weight | 280 lbs/300 lbs | 195 lbs/215 lbs | ||
| Charger amps | 0A-6A | |||
| Battery configuration | Hot Swappable Battery Modules | Battery Compartments | ||
| APPROVALS | UL 1778, FCC A, CE, RoHS | |||
| WARRANTY | 2 years depot warranty (USA only) | |||
| COMMUNICATIONS INTERFACE | RS232, RS485, EPO, parallel port, external Web/SNMP (optional) | |||
| INCLUDED IN BOX | User manual, RS232, shelf kit, Muser monitoring software | |||
*Depending on load level