Sichuan customized 35KV high-voltage isolation switch
This series of products includes the following varieties:
1) Divided by the presence or absence of a grounding switch: ungrounded, single grounded (left and right grounded), and double grounded;
2) Grounding switches are classified into types I, II, and III based on their ability to withstand short-circuit currents;
3) Divided by usage area: ordinary type, anti fouling type, anti fouling type, and high-altitude type.
This series of products meets the requirements of standards and IEC standards, with good seismic resistance and the ability to meet the requirement of a seismic intensity of 9 degrees.
Sichuan customized 35KV high-voltage isolation switch
Conditions of Use
1. The altitude shall not exceed 1000m, and the plateau type shall not exceed 4000m;
2. Environmental temperature: -40 ℃ to+40 ℃;
3. Wind speed not exceeding 35m/s;
4. Earthquake intensity: 8 degrees;
5. Ice thickness: ≤ 10mm;
6. Anti pollution products are suitable for polluted areas;
7. Not suitable for places with flammable substances, explosion hazards, chemical corrosion, and severe vibrations.
Explanation: When the above environmental conditions cannot meet the usage requirements, it shall be resolved through negotiation between the user and the manufacturer.
Technical Parameter
Rated voltage KV: 40.5
Rated frequency Hz: 50/60
3 Rated current A: 630/1250/2500
4 rated short-circuit breaking current KA: 20/25/31.5
5 rated short-circuit current breaking times: 30
6 rated peak withstand current KA: 63/80
7 rated short-circuit closing current (peak) KA: 63/80
8 mechanical life cycles: 10000
9 4S short-time withstand current KA: 25/31.5
10 power frequency withstand voltage (1 minute): dry test (phase to phase, ground/fracture) KV: 80 95/95
11 lightning impulse withstand voltage (peak) phase to phase, relative/fracture KV: 185
12 rated operating cycles: on-off -0.1s-on-off -3s on-off -6-son-off -60s on-off -60s restoration
13 institutions control voltage AC/DC220