33KV 250A 50HZ/60HZ AUTO VOLTAGE REGULATOR FOR POWER AND DISTRIBUTION TRANSFORMER
Technical Specification
SYTZZ-33/200-9 is designed and produced according to IEC-60214-1(2003), the main specifications is shown by Table 1.
Table 1 SYTZZ-33/200-9 series OLTC Technical Specification
ModelSYTZZ-33/200-9Rated voltage(KV)33Rated through current(A)200Rated frequency(HZ)50Max. through current (A)240Phase number3Wiring methodEnd part voltage regulationMax working position number9Maximum step voltage (V)600Insulation
Level
(KA)Insulation grade33Max working voltage36Industrial
test voltage 1minTo earth85Between phase85Between max. and min.36Between neighboring contact36Shocking test (1.2/50us)200Shout circuit testThermal stability(3S)4Dynamic stability10Mechanical life(10000 times)Not less than 50Electrical lifeNot less than 5Tight testWorking pressure3x104 PaTest pressure6x104 Pa 24h without leakageSwitch weight (without oil)(kg)130Oil weight filledAccording to switch heightDrying105+ 5ºCController fittedYK-2