KYN61-40.5 Switchgear installed with excellent ZN85, ZN85B vacuum circuit breaker or Schneider SF1, SF2, or ABB HD4 or ALSTOM FP series SF6 circuit breaker, switchgear body is of compartment structure with beautiful figure, its busbar covered by heat shrinkable material or epoxy resin painting, optimized polar figure, the structure is compact, complete 5-prevent provided.

KYN61-40.5 Switchgear operated in the power system of 40.5KV, three phases AC 50Hz, used to control, protect and monitor the distribution circuit of power generating plant, substation, mineral enterprises and etc to distribute electric energy. Also it can be used to switch frequently on/off the circuit. Comply with GB3906 AC metal-enclosed switchgear and controlgear for rated voltages above 3 kV and up to and including 35 kV, GB/T11022 Common specifications for high-voltage switchgear and controlgear, IEC60298, IEC62271-200 AC metal-enclosed switchgear and controlgear for rated voltage above 1 kV and up to and including 52 kV, IEC60694 Common specifications for high-voltage switchgear and controlgear standard. 

Normal service conditions

■ Ambient air temperature:  Maximum air temperature: +40℃, Minimum air temperature: -15℃ (Under a special process, up to -45 ℃);

■ Altitude: ≤ 1000m;

■ Humidity:Daily average value of relative humidity: ≤95%

                   Monthly average value of relative humidity: ≤90%

■ Earthquake grade less than Degree 8

■ The ambient air is not significantly polluted by dust, smoke, corrosive and/or flammable gases, vapours or salt.

■ No serious contamination and severe vibration recurrent, severe degree designed to meet the harsh conditions of Class 1 requirements; 

■ When used in excess of the normal environmental conditions specified in GB3906, negotiated by the user and the manufacturer. 

Note:① relative humidity greater than 70% should be turned on the electric heater. 

   ② Where 1000m altitude over the place, according to JB/Z102-71 regulations.