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Products: Protection Devices
SF6 gas insulated vacuum recloser
General Features:
The ENTEC EVR SF6 Gas Insulated Vacuum Recloser is an electronic automatic circuit recloser designed for the highest mechanical and electrical reliability. The unique design of auto recloser meets the latest technology with the combination of vacuum interruption, bi-stable magnetic actuator sealed in a stainless steel tank with SF6 Gas as the insulation medium and a microprocessor based control.
The mechanism is operated by a magnetic actuator which the opening and closing coil is respectively equipped with. As the actuator uses magnetic latching, the mechanical parts are drastically reduced, resulting in high reliability and maintenance free operation during the life time.
The operation of recloser uses only battery power sources or a low-voltage power source supplying from low voltage distribution line by utility or potential transformer and a fully charged battery. Trip and close capacitors provide recloser operation over hundreds of open-close operations as the back-up power upon loss of control power.