FN7-12/24 DR model AC and HV indoor load break switch applies to three-phase power supply system of rated voltage 12/24kV and AC 50/60Hz. It used to switch on and off load-breaking current and short-circuit current. It is made as per IEC62271-105.
1. Altitude: 1000m;
2. Ambient temperature: -25 ~+40 ;
3. Relative humidity: daily average 95, monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.
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