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Features
Rear panel
  1. 1: AC input socket
  2. 2: Battery connector (Optional)
  3. 3: Fan
  4. 4: USB (Optional)
  5. 5: EPO (Optional)
  6. 6: RS232
  7. 7: Intelligent slot (Optional)
  8. 8: Output sockets
Specifications
MODEL WP901P WP902P WP903P
Capacity 1 kVA / 900 W 2 kVA / 1800 W 3 kVA / 2700 W
INPUT
Rated voltage 208 / 220 / 230 / 240 Vac
Voltage range 110 ~ 176 Vac (linear derating between 50% and 100% load ); 176 ~ 280 Vac (no derating); 280 ~ 300 Vac (derating 50%)
Frequency 40 ~ 70 Hz (auto-sensing)
Power factor ≥ 0.99
Bypass voltage range - 25% ~ +15% (settable)
"Total harmonic distortion (THDi) " ≤ 6%
OUTPUT
Voltage 208 / 220 / 230 / 240 Vac (settable via LCD)
Voltage regulation ± 1%
Frequency 45 ~ 55 Hz or 55 ~ 65 Hz (synchronized range); 50 / 60 Hz ± 0.1 Hz (battery mode)
Waveform Sinusoidal
Power factor 0.9
Total harmonic distortion (THDv) ≤ 2% (linear load), ≤ 5% (non-linear load)
Crest factor 3:1
Overload 105% ~ 125% for 1 min, 125% ~ 150% for 30 s, > 150% for 300 ms
BATTERIES
DC voltage 24 V (S) 36 V (S) 36 V (H) 48 V (S) 72 V (S) 72 V (H) 72 V (S) 96 V (S) 96 V (H)
Inbuilt battery 2 × 9 Ah 3 × 7 Ah / 4 × 9 Ah 6 × 7 Ah / 6 × 9 Ah 8 × 7 Ah /
Charging current (max.) 1 A 6 A 1 A 6 A 1 A 6 A
Recharge time Standard model: 90% capacity restored in 3 hours; Long time model: depend on the capacity of battery
SYSTEM
Efficiency ≥ 90% (Mains mode) ≥ 91% (Mains mode) ≥ 92% (Mains mode)
≥ 85% (Battery mode) ≥ 86% (Battery mode) ≥ 87% (Battery mode)
≥ 95% (ECO mode) ≥ 96% (ECO mode) ≥ 97% (ECO mode)
Transfer time Mains mode to battery mode: 0 ms Inverter mode to bypass mode: 4 ms (typical)
Protections Short-circuit, overload, overtemperature, battery discharge protection and fan testing protection
Communications RS232 (standard), USB / RS485 / dry contacts / SNMP (optional)
Display LCD + LED
Standards EN 62040-1, EN 62040-2, EN 61000-3-2, EN 61000-3-3, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11, IEC 61000-2-2, IEC 62040-2, IEC 62040-1, IEC 62040-3
OTHERS
Operating temperature 0℃ ~ 40℃
Storage temperature -25°C ~ 55°C (without batteries)
Relative humidity 0 ~ 95% (non-condensing)
Altitude ≤ 1000 m, derating 1% for each additional 100 m
IP rating IP 20
Noise level at 1m ≤ 50 dB
"Dimensions (W × D × H) (mm) 144 × 312 × 216 144 × 317 × 216 144 × 336 × 216 144 × 417 × 216 191 × 419 × 335 191 × 418 × 335 191 × 419 × 335 191 × 418 × 335
Packaged dimensions (W × D × H) (mm) 230 × 402 × 315 230 × 460 × 315 232 × 417 × 318 230 × 506 × 315 277 × 500 × 435 318 × 533 × 471 277 × 500 × 435 277 × 500 × 435
Net weight (kg) 11 12.8 6 16.4 23.1 10.5 24.3 29.4 11
"Gross weight (kg) " 11.3 14 7 17.8 24.7 12 25.9 31.1 12.5