Industrial UPS
EN62040 Compliant
300–800 kVA
EN62040 Compliant
300–800 kVA
Product overview
The RM33 Series is a heavy-duty, industrial-frequency online 3:3 UPS designed for capacities from
300 kVA to 800 kVA. It employs highly reliable thyristor phase-controlled rectifiers and IGBT inverter
technology for maximum reliability, and features three-phase input and output with a built-in output
isolation transformer. Engineered for mission-critical operations in docks, mines, highways, and other
harsh or high-temperature environments.
Capacity range
300–800 kVA
Efficiency
≥93%
Power factor
≥0.97
Operating temp.
0–40°C
Application scenarios
Suitable for docks, mines, highways, and other mission-critical applications in
high-temperature and harsh environments.
Key features
Full digital control; high stability
Rectifier + IGBT inverter; 380/400/415 V, 50/60 Hz
PF up to 0.9; >10% higher load capability
Wide input voltage and frequency range
Digital current sharing; parallel up to 8 units
Strong overload and short-circuit capability
Smart battery management with undervoltage protection
Zero-transfer static switch; PLL sync for seamless bypass
Surge + over/under-voltage output protection
N+1 redundancy; sealed air duct + redundant fans
Multilingual LCD with logs and battery info
Supports 12 languages including Chinese and English
Standard version specifications
| Category | Parameter | 300K | 400K | 500K | 600K | 800K |
|---|---|---|---|---|---|---|
| Input | Capacity | 300 kVA | 400 kVA | 500 kVA | 600 kVA | 800 kVA |
| Rated input voltage | 380/400/415 Vac ±25% | |||||
| Input frequency | 45–55 Hz / 55–65 Hz | |||||
| Power factor | ≥0.97 | |||||
| Output | Rated output voltage | 380/400/415 Vac ±1% | ||||
| Output frequency | Automatic tracking of input frequency | |||||
| Waveform | Sine wave | |||||
| Output harmonics | ≤1% (100% linear load) | |||||
| Overload capacity | ≤110% for 60 min; ≤125% for 10 min; ≤150% for 1 min | |||||
| General | Efficiency | ≥93% | ||||
| Battery | Battery input voltage | 360–408 Vdc | 480 Vdc | |||
| Comms | Communication | RS232, RS485, Dry contact, SNMP (optional) | ||||
| Display | Voltage, frequency, capacity, battery, load %, UPS status, record | |||||
| Environment | Operating temp. | 0–40°C | ||||
| Storage temp. | -25–55°C (no battery) | |||||
| Altitude | <1000 m (non-condensable) | |||||
| Humidity | 0–95% (non-condensing) | |||||
| Noise | Noise level (1 m) | <72 dB | <75 dB | |||
| Standards | Compliance | EN62040-1, EN62040-2, EN62040-3, YD/T1095-2018 | ||||
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