1.1 Suitable for three-phase AC 50Hz, 35kV power system for switching various loads of different matures, and for occasions with frequent operations.
1.2 For the protection and control of electrical equipment used in industrial and mining, enterprises, power plants and substations.
1.3 Suitable for KYN61-40.5 handcart type switchgear.
GB/T 1984 High-voltage alternating-current circuit-breakers
GB/T 11022 Common specifications for high-voltage switchgear and controlgear standard
DL/T 402 High-voltage alternating-current circuit-breakers
Working environment conditions:
4.1 The ambient air temperature does not exceed +40℃, and the mean value measured within 24h does not exceed 35℃, and the min. ambient air temperature is -15℃;
4.2 Altitude: ≤ 1,000 meters.
4.3 There is no obvious pollutions such as dust, smoke, corrosion or flammable gas, steam gas, or salt spray in the ambient air.
4.4 Humidity conditions: The daily mean is not greater than 95%, and the monthly mean is not greater than 90%; the mean value of water steam pressure is not greater than 2.2KPa, and the monthly mean of water steam pressure is not greater than 1.8KPa;
4.5 Vibration or earthquake from the outside of the switchgear or controlgear can be omitted; 4.6 The magnitude of the electromagnetic interference induced in the secondary system does not exceed 1.6kV.
4.7 Special working conditions If installed at the place where the altitude exceeds 1,000 meters, the ambient air temperature is out of the limit value specified by the normal working conditions or condensation may easily occur due to high humidity, please contact our company for customization.
Rated lightning impulse withstand voltage
1 minute power frequency withstand voltage
Rated short-circuit breaking current
630A ~ 2000A
Rated short-time withstand current
Rated peak withstand current
Rated short-circuit making current (peak)
1 minute power frequency withstand voltage of the secondary circuit
Rated operation sequence
Rated short circuit duration
Rated capacitor bank breaking current
Rated short-circuit breaking current ON/OFF times
Allowable cumulative wear thickness of moving and fixed contacts
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Zhejiang Tengen Electric Co., Ltd.
Sulv Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China, 325699
+86 21 3119 8727
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