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Help Center380V 40KA Three Phase AC Power Surge Protector for Power Distribution System
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Features:
1) Big discharger current capacity, low residual voltage, quick response
2) Lowe leakage current and rate of change
3) Heat isolation technique, no fire disaster
4) Apply special shock fuse pieces, with high reliability
5) Build-in remote alarm connect point, easy to remote control
6) With power indicator to display working condition
7) Equipped with lightning counter, exactly to record lightning stroke
8) temperature control protective circuit, built-in heat protection, automatic release unit
9) 3+1 protection model(L-N, N-PE), suitable for the poor power grid area
Specification
Model |
AM40A |
AM40B |
Nominal working voltage(Un) |
380V |
|
Max continuous operating voltage(Uc) |
385VAC |
|
Nominal discharge current(kA) |
20KA |
|
Max discharge current(kA) |
40kA |
|
Protected Mode |
L1, L2, L3,N-PE |
L1,L2,L3-N, N—PE |
Protection level |
1500 |
|
Response time |
≤25ns |
|
Lightning counter |
0～99 |
|
Dimension(mm) |
90*72*65 |
|
Connecting diameter(mm2) |
6-25 mm2 |
|
Protection Level |
IP20 |
|
Installation |
35mm slide guide |
|
Working conditions |
Temperature:－40～＋85℃; Relative humidity:≤95％(25℃); Elevation≤3km |
|
Note: For latest information, please contact ANSUN company |
Installation and wiring
1) 35mm slide guide installation way, indoor and close to distribution box or power cable
2) The best wiring for AM series AC power SPD is Kevin method, also directly in parallel(the cable length should be within 0.5m to reduce lightning route).
3) The cable applies above 6mm2 multistrand copper core insulated conductor
4) The front of AM series is equipped with air switch and fuse (air switch chooses C type tripping characteristic, about 25A rated current; the rated current of fuse should be below 50A)
5) The wiring side of alarm point is upon the base plate, the place of which connects to wire break alarm
6) connect the input cable(from power) to the input terminal of CB in the box, then ground line of SPD to lightning protection system ground device, lower connecting wire is better, according to the standard of lightning protection project
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