AUTOMATIC EQUIPMENTS WITH FILTERS

ERAF

The automatic power-factor correction equipment, ERAF series is composed of:

• Metal CABINET equipped with cooling fins, made of sturdy pressed sheet metal treated with a phospha- ting process to protect against corrosion and then painted with epoxy powders, colour RAL 7035.
• Main three-pole fast-tripping DISCONNECTING SWITCH interlocked with the door.
• Sets of three FUSES type NH00 curve gG with a high breaking capacity, rated to protect the capacitor banks.
• Three-pole CONTACTORS, rated for connecting the single batteries. Their peculiarity lies in the fact that the insertion contactors of the limiting resistors close in advance of the main contactors to limit the cur- rent peak at the insertion of the residual currents. The coils are 110Vac 50Hz (other voltages on request).
• Dielectrically oversized CAPACITORS of the “dry” type PRT
• Internal connecting CABLES are flameproof type N07VK.
• Copper BARS size 30x5 mm
• ELECTRONIC REGULATOR for automatic battery connection and cosf control.
• Forced VENTILATION SYSTEM made with special, thermostat-operated fans installed on the top of the

 

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