RL1 series spiral type fuse,is applied to industry electrical distribution device of AC50Hz,rated voltage 380V,rated current up to 200A,as device protector against overload and short-cirucit.
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 System voltage max value shall not exceed 110% 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 frequency||rated voltage||fuse-link rated current||rated breaking capacity|