DSHT, the high temperature plug and socket for smoke extraction fans
In case of a fire in a tunnel, the industrial plugs and socket-outlets must guarantee the electrical continuity. Up to now, no connector complied with the IEC/ EN 12101-3 standard, smoke extraction devices were directly wired, leading to expensive maintenance periods.
Today the new Marechal connector DSHT 400 °C, with its on-load breaking capacity now reduces the time to isolate and disconnect a fan to just seconds. Until 63 A it can disconnect equipments in total safety.
Mounted on aluminium boxes, the 3P+E 690 V connector is certified CSTB, means it can withstand 400°C for 2 hours.
The pollution, dust and humidity in tunnels, require robust plugs and socket-outlets. Its shocks resistance IK09, its automatic IP55 and its load break capacity AC-22, satisfy those requirements.
More information...
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