3AV3 Spring Operating Mechanisms
- 3AV3 Spring Operating Mechanisms
Model 3AV3 spring operating mechanism is mainly used as a necessary component in Model ZN85-40.5 indoor high voltage vacuum circuit breaker.
The performance of this operating mechanism fully meets the technical specifications of operating mechanism under the national standard GB1984-2003 “AC High Voltage Circuit Breaker” as well as IEC56 standard.
Technical features:
- The modular spring operating mechanism is convenience in the manufacture and maintenance.
- The key parts of the operating mechanism are made of superior quality alloy and the operating mechanism grips are made of the high quality cold rolled sheet with a high structural strength.
- The component surface adopt the cathode electrophoretic painting with a perfect corrosion resistance.
- The linear-motion closing spring design minimizes the effect of spring self-vibration on the fatigue strength and it is useful to improve the product stability.
- Both AC and DC power operation and control are available and it is convenience for different users.
Parameters Units Technical parameters Closing output power J 270-300 Travel switch contact logarithm Set 2K2B Auxiliary switch contact Set 10K10B Charged time S <15 Charged motor power W 230(220V)/105(110V) Charged storage torque N.m 100 Mechanism output angle 。 46-50 Closing coil resistance DC Ω 230(220V)/105(110V) AC Ω 56(220V)/10.3(110V) Opening coil resistance DC Ω 230(220V)/105(110V) AC Ω 56(220V)/10.3(110V) Mechanical endurance Ts 10000 - 3AV3 Spring Operating Mechanisms
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3AV3 Spring Operating Mechanisms
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