High frequency on-line double conversion technology
DSP (Digital signal processors) control technology
Active power factor correction (APFC), input power factor up to 0.99
Output power factor 0.9/1.0
Wide input voltage range (110 V ~ 300 Vac) and frequency range (40 ~ 70 Hz)
Auto sensing frequency
50 / 60 Hz frequency conversion
Cold start
Rear ventilation design and variable speed fan
Effective software and hardware protection
Quick and stable charging, 90% capacity restored in 3h (standard model UPS)
Linear derating in low voltage input reducing battery discharging times
Settable delayed start when power is restored
Advanced battery management (ABM)
Multiple functions settable via LCD: output voltage, EOD, auto-start, bypass mode
Multi-platform communications: RS232 (standard), USB / RS485 / SNMP / dry contacts (optional)
Optional USB, RS485 card, AS400 dry contacts, SNMP card, SMS alarms, EPO function
| MODEL | ES901 | ES902 | ES903 |
|---|---|---|---|
| Capacity | 1kVA / 1kW | 2kVA / 2kW | 3kVA / 3kW |
| INPUT | |||
| Rated voltage | 208 / 220 / 230 / 240Vac | ||
| Voltage range | 110 ~ 176Vac (linear derating 50%-100%); 176 ~ 280Vac (no derating); 280 ~ 300Vac (derating 50%) | ||
| Frequency | 40 ~ 70Hz (auto-sensing) | ||
| Power factor | ≥0.99 | ||
| Bypass voltage range | - 25% ~ +15% (settable) | ||
| Total harmonic distortion (THDi) | ≤ 6% | ||
| OUTPUT | |||
| Voltage | 208 / 220 / 230 / 240Vac (settable via LCD) | ||
| Voltage regulation | ±1% | ||
| Frequency | 45 ~ 55Hz or 55 ~ 65Hz (sync range); 50/60Hz ± 0.1Hz (battery mode) | ||
| Waveform | Sinusoidal | ||
| Power factor | 0.9/1.0 | ||
| Total harmonic distortion (THDv) | ≤2% (linear load), ≤5% (non-linear load) | ||
| Crest factor | 3:1 | ||
| Overload | 105% ~ 125% for 1min, 125% ~ 150% for 30s, >150% for 300ms | ||
| BATTERIES | |||
| DC voltage | 24V(S), 24V(H), 36V(S), 36V(H), 48V(S), 48V(H), 72V(S), 72V(H), 72V(S), 72V(H), 96V(S), 96V(H) | ||
| Inbuilt battery | 2×9Ah, 3×7Ah, 4×9Ah, 6×7Ah, 6×9Ah, 8×7Ah | ||
| Charging current (max.) | Standard model: 1A, long time model: 6A | ||
| Recharge time | Standard model: 90% capacity restored in 3 hours; Long time model: depend on battery capacity | ||
| SYSTEM | |||
| Efficiency | ≥90% (Mains) ≥85% (Batt) ≥95% (ECO) |
≥91% (Mains) ≥86% (Batt) ≥96% (ECO) |
≥92% (Mains) ≥87% (Batt) ≥97% (ECO) |
| 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 series | ||
| OTHERS | |||
| Operating temperature | 0℃ ~ 40℃ | ||
| Storage temperature | -25°C ~ 55°C (without batteries) | ||
| Relative humidity | 0 ~ 95% (non-condensing) | ||
| Altitude | ≤ 1000m, derating 1% for each additional 100 m | ||
| IP rating | IP 20 | ||
| Noise level at 1m | ≤ 50dB | ||
| Dimensions (W×D×H) (mm) | 144×312×216, 144×336×214, 144×371×216, 144×336×216, 144×417×216 | 191×418×335, 191×419×335, 191×418×335, 191×419×335, 191×418×335 | 191×419×335, 191×418×335, 191×418×335, 191×335, 191×418×335 |
| Packaged dimensions (W×D×H) (mm) | 230×402×315, 232×417×318, 230×460×315, 232×417×318, 230×506×315 | 277×500×435 | |
| Net weight (kg) | 11 / 6 / 12.8 / 6 / 16.4 | 10.5 / 23.1 / 10.5 / 24.3 / 11 | 29.4 / 11 |
| Gross weight (kg) | 11.3 / 6.9 / 14 / 7 / 17.8 | 11.6 / 24.7 / 12 / 25.9 / 12.5 | 31.1 / 12.5 |