

Robust and reliable transformer-based three-phase UPS with galvanic isolation, high overload capacity and EFFICIENCY CONTROL Mode (ECM). Available in 3:1 (10-100 kVA) and 3:3 (10-200 kVA) configurations for data centers, industrial, e-medical and emergency applications.
The Riello Master MPS is a mid-power, three-phase online double-conversion UPS designed to protect data centers, healthcare facilities, and industrial installations from every class of power disturbance. Ranging from 10 to 200 kVA, it offers a strong balance of performance, scalability, and value.
Its compact footprint, high efficiency, and flexible configuration make the Master MPS equally at home in small data halls, clinic equipment rooms, and factory automation cabinets.
| General Data | |
|---|---|
| Power Range | 10 - 200 kVA (3:3) / 10 - 100 kVA (3:1) |
| Topology | Online double conversion VFI-SS-111 |
| Rectifier | 6-pulse thyristor (12-pulse optional) |
| Isolation | Transformer-based isolated inverter |
| Input | |
| Input Type | Three-phase input |
| Harmonic Filter | 5th or 11th harmonic filter optional |
| Soft Start | Progressive rectifier start up |
| Features | |
| ECM Mode | Efficiency Control Mode for parallel systems |
| HSE | Hot System Expansion supported |
| Parallel | Up to 8 units redundant or power parallel |
| Battery Types | VRLA AGM, Gel, NiCd, Supercaps, Li-ion |
| Communication | |
| Serial Ports | Double RS232 |
| Communication Slots | 2 slots for optional accessories |
| Software | PowerShield3, PowerNetGuard |
| Monitoring | RielloConnect remote monitoring |
| Mechanical | |
| Dimensions (10-40 kVA) | 555 x 1400 x 740 mm |
| Dimensions (60-80 kVA) | 800 x 1400 x 740 mm |
| Dimensions (100-200 kVA) | 600-1070 x 1900 x 800 mm |