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The Master HE three-phase input/output UPS models (200-800 kVA) without static bypass offer high-efficiency power management solutions for mission-critical environments. These units, available from UPSBuyer, feature a power factor of 1, maximising load handling, and an efficiency of 95.5% in online mode. The series offers comprehensive galvanic isolation, minimising the impact on power sources, and supports Smart Active mode for optimal efficiency. The lack of a static bypass enhances configuration flexibility, making these UPS models ideal for diverse setups, from industrial to IT applications.
| MHE 250 Specifications | ||
|---|---|---|
| INPUT | ||
| Voltage | 380 / 400 / 415 V 3-phase | |
| Voltage tolerance | 400 ±20% @ full load | |
| Frequency tolerance | 45 - 65 Hz | |
| Power factor | >0.99 | |
| Soft start | 0 - 100% in 120 sec. (selectable) | |
| Total harmonic distortion (THDi) | <3% | |
| BY PASS | ||
| Rated voltage | 380 / 400 / 415 3-phase + N | |
| OUTPUT and INVERTER OUTPUT | ||
| Rated power | 250000 VA | |
| Active power | 250000 W | |
| Number phases | 3 + N | |
| Crest factor (Ipeak/Irms) | 3:1 | |
| Static stability | ±1% | |
| Dynamic stability | ±5% in 10 msec. | |
| Frequency | 50 or 60 Hz (selectable) | |
| Voltage distortion with non-linear load | <3% | |
| Voltage distortion with linear load | <1% | |
| Frequency stability | 0.05% | |
| Overload | 110% for 60 min.; 125% for 10 min.; 150% for 1 min. | |
| RECTIFIER OUTPUT | ||
| Ripple | Zero | |
| BATTERIES | ||
| Type | VRLA AGM / GEL; NiCd; Supercaps; Li-ion; Flywheels | |
| ENVIRONMENTAL | ||
| Color | Dark grey RAL 7016 | |
| Remote controls | ESD and bypass (configurable) | |
| Communication | Double RS232 + remote contacts + 2 slots for communications interface | |
| Protection rating | IP20 (others upon request) | |
| Line-Interactive/Smart Active efficiency | >99% | |
| Noise (at 1 m) | 63 - 68 dBA | |
| Remote signals | volt-free contacts (configurable) | |
| Operating temperature | 0 °C - +40 °C | |
| Relative humidity | 5-95% non-condensing | |
| Transport | Pallet jack | |
| Standards | European directives: L V 2014/35/EU low voltage; EMC 2014/30/EU electromagnetic compatibility -- Directive and Standards: Safety IEC EN 62040-1; EMC IEC EN 62040-2; RoHS compliant -- Classification in accordance with IEC 62040-3 VFI - SS - 111 | |
| DATA | ||
| Weight | 1300 kg | |
| Dimensions (h w d) | 1900x1000x850 mm | |
Master ME
100-800 kVA
Estimated delivery cost for Riello MHE 250 NBP Master HE 250kVA 400V Online UPS with No Static Bypass is £0.
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