The switchboard shall operate in a room with the following prevailing conditions:

– Maximum ambient temperature of 40 0C

– Maximum relative humidity of 95%

– Saline atmosphere

– Altitude: at sea level

– Climate type: Wet and humid coastal conditions with cyclone associated to a small

tropical island in the Indian Ocean

MAIN DATA

Nominal Voltage 400 Vacs

Rated Insulation Voltage 1000 Vac

Rated frequency

50 Hz

Common Auxiliary Busbar:

– Material

– Degree of protection

IP 41

Copper

Ambient temperature Max. 400C

Relative humidity Max. 95%

Surface Treatment Manufacturer’s standard paint protection for prevailing

environment conditions

Access Front and rear

Cable entry Bottom

Standard IEC

Auxiliary Voltages:

– Spring charging motor 110 V DC

– Control circuits 110 V DC

– Indication lamp Circuits 110 V DC