ASJ series products integrate line over-voltage and under-voltage protection functions and automatic delay reset function of line normal voltage. The product is mainly used in the protection of the incoming line of the residential sub-box or the distribution line of the single-phase or three-phase electrical equipment. The product is small in size, high in precision, compact in structure and easy to install. It is a safety protection device in the field of civil construction.
Technical parameter | Type A | |
Input | Rated residual action current I△n | 0.03、0.05、0.1、0.3、0.5、1、3、5、10、30(A) |
Non-driving time of limitation △t | 0、0.06、0.1、0.2、0.3、0.5、0.8、1、4、10(s) | |
Rated residual-action current I△no | 50%Ian | |
performance characteristics | simple sinusoidal alternating current and pulsating direct current | |
frequency | 50Hz±5Hz | |
Action error | -20%~-10%Ian | |
Output | output mode | one is the normal closing or opening,and the other is for the transformation |
contact capacity | AL1:8A250VAC5A 30VDC | |
reset mode | the on-the-spot one,the long-distance one and the automatic one | |
Power supply | voltage range | AC110V、AC220V、DC85-270Vpermissible error±10%) |
power dissipation | ≤5W | |
Power frequency withstand voltage | The effective value of alternating current between the power supply,input and output: 2kV/Imin | |
Under thenormaloperation | temperature | operating temperature:-20℃~+55℃storage temperature:-30℃~+70℃ |
humidity | ≤95%RH,with moisture condensation,and corrosive gas place | |
height above sea level | ≤2000m | |
class of pollution | Grade three | |
installation category | Type III |
The measurement of AC-type after-current
The streamer display of current percentage
The setting of rated residual action current
The setting of non-driving time of limitation
Two-pair relay output
Possessing the function of on-the-spot and long-distance testing and resetting
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