HR18 series fuse-switch disconnector, is designed according to ABB product, is applied to power distribution circuit and motor circuit of AC50Hz,rated voltage up to 660V,conventional thermal current up to 630A against high short-circuit current, is used as unfrequently operate power-supply switch,isolate switch and emergency switch,and is also as the protection against short-circuit.
Normal operational conditions and installation conditions
3.1 Temperater: 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: 3Â Calss
3.6 Installation type:III, IV.
For more details and information,please contact us with no hesitate
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Main technical parameter
conventional thermal current Ith
160A
250A
400A
630A
rated insulation voltage Ui
800V
powet frequency withstand voltage
3000V
rated operated voltage Ue
AC400,600V
rated frequency
50Hz
Usage
AC400V
AC-23B
AC690V
AC-21B,22B
rated make capacity
10Ie
rated break capacity
8Ie
rated ultimate short-circuit current
50kA
rated operate current Ie
400V/AC-23B
160A
250A
400A
630A
660V/AC-22B
100A
200A
315A
425A
Model NO.: HR18
Trademark: PEOPLE
Specification: CCC, CE, CB
Origin: China
HS Code: 8536500000
Application