RDT16 series filling enclosed tube type fuse with knife type contact, is applied to industry electric distribution device of AC 50Hz,rated voltage up to 500V or 690V,rated current up to 1250A,as circuit protector against overload and short-circuit.
This product conforms to standard of IEC60269-1:2006,IEC60269-2:2006.
Normal operational conditions and installation conditions
3.1 Temperature: no higher than +40ºC,and no lower than -5ºC,and the day average temperature no higher than +35ºC.
3.2 Altitude: no higher than 2000m
3.3 The relative humidity: no more than 50%,when temperature is +40ºC.The product can withstand higher humidity under lower temperature,for instance,when it at +20ºC,the production can withstand 90% relative humidity.
The condensation that happened because of temperature changes should be taken care.
And Installation location should have no exploresion danger, and no gas and conductive dust which can cause corrosion and insulation damage.
3.4 Class of pollution: 3 Calss
3.5 Voltage:when rated voltage is 500V, system voltage max value shall not exceed 110% of fuse rated voltage
rated voltage is 690V, system voltage max value shall not exceed 105% of fuse rated voltage.
Note: the fuse signal or fuse impinger might not active,when the fuse breaks at very low voltage.
3.6 Installation type:III
3.7 Installation:vertical and horizontal install
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Main technical paramter
|Model No.||rated voltage(V)||rated breaking capacity(kA)||rated current(A)||factor cosφ|