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The Master Switch Single-Phase (MMS) is a transfer switch designed to safeguard loads with varying power ratings. With a manual bypass, switching power sources in the case of a problem is simple.
The MMS is outfitted with an LCD control screen and a multi-functional keyboard. This allows you to rapidly and intuitively check measurements and alter operational states. It includes three dry contacts, an RS232 port, and a communications slot for future LAN connections.
To safeguard the load, the changeover time is assured to be shorter than a quarter of a cycle (4 msec for synchronised inputs; 10 msec for non-synchronised). This is true for both automatic and manually operated switches.
Features & Benefits:
Input | |
|---|---|
| Voltage | 220 / 230 / 240 V single-phase + N |
| Voltage tolerance | 180-264 (selectable) |
| Frequency tolerance | +/-10% (selectable) |
| Input frequency | 50 / 60 Hz |
| Switched input phases | ph+N (two poles) |
| Distribution compatibility | IT, TT, TNS, TNC |
Environmental | |
| Colour | RAL 7016 |
| Protection rating | IP20 |
| Other compliances | EN 62310-1 (safety) EN 62310-2 (electro-magnetic compatibility) |
| Noise (at 1 m) | < 40 dBA |
| Operating temperature | 0 °C - +40 °C |
| Storing temperature | -10 °C up to +50 °C |
| Relative humidity | 5-95% non-condensing |
| Transport | "Break Before Make" (no overlapping sources) |
| Available transfer modes | Automatic / Manual / Remote |
Data | |
| Weight | 10 kg |
| Dimensions (h w d) | 2U x 19in x 520 mm |
Estimated delivery cost for Riello Master Switch 32A Single Phase Static Transfer Switch is £0.
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