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1000
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100000
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連絡先担当者 Mr. dewey
no472 kaichuangroad, beibaixiang, yueqing wenzhou zhejiang
Type DD**4 meter is applicable for single phase active energy measurement. It is designed to meet IEC****1 standard for indoor and outdoor installation. Constructions 1.1 Base: Steel sheet weather proof steel sheet 1.2 Meter cover: Meter cover is made of ABS material, flame resistant, in black colour, with glass window. Meter cover can also be made of transparent glass, weather proof. 1.3 Terminal block The terminal block is made of phenolic resin, flame resistant, in black colour. Voltage link can be inside the meter base or outside the meter base. Terminals are made of brass having two screws for tightening the external cables. 1.4 Terminal block cover Short steel cover-rubber underside the cover assures insulation between the cover ans the terminal block Short ABS cover-non-flammability of ABS cover conforms to requirements of IEC****1 Extended steel cover-rubber underside the cover ensures insllation between the cover and the terminal block. Access is available at each side of the terminal cover for external cables. 2. Driving element Current electromagnet The overload compensating set mounted on the laminated silicon-steel core assures the excellent load curve performance. Voltage electromagnet The design of voltage electromagnet permits to withstand the impulse voltage of 6kV. 3. Braking element Braking element is made of monopolar magnet. Its adjustment range conforms to requirements of IEC****1 4. Frame The meter frame is made of aluminum alloy with sufficient strength. It is painted for effective protection against corrosion. 5. Moving element Worm gear on the rotor shaft is made of brass or optionally plastic one. Anti-creeping pin is fitted to the rotor shaft to prevent running with no-load. Anti-reverse device can be mounted in the meter if it is required. Upper bearing With excellent friction resistant