product description
LW3-12/630-20 primary and secondary fusion sulfur six new circuit switch is a new generation product developed by our company in response to the new requirements of the State Grid's primary and secondary synthetic sleeve switches for network access. The switch configuration fully complies with the State Grid's primary and secondary Integrating a complete set of requirements facilitates unified procurement and mass production by the State Grid. The switch has a compact structure, reasonable layout, and complete functions. All indicators meet the primary and secondary fusion requirements of the State Grid. It adopts unified parameter protection CT, zero-sequence CT and zero-sequence voltage sensors. It has a wide measurement range, high measurement accuracy, and reliability. It has high holding points and complete analog quantities to facilitate accurate determination of line faults. It is an ideal switching device to realize "distribution automation" and has the ability to divide and combine load current, overload current and short-circuit current.
Use environmental conditions
1. Ambient air temperature: -40“C~+50“C:
2. Maximum daily temperature difference: s25*C;
3. Relative humidity: <95%;
4. The altitude does not exceed: 3000m;
5. Wind pressure does not exceed: 700pa (equivalent to wind speed 34mm/s);
6. Earthquake intensity: 8;
7. Installation site: no risk of fire or explosion, no chemical corrosion and frequent severe vibration;
8. Pollution level: Class III, Class IV.
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LW3-12/630-20 primary and secondary fusion sulfur six new circuit switch is a new generation product developed by our company in response to the new requirements of the State Grid's primary and secondary synthetic sleeve switches for network access.
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