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40kA Power Surge Protectors SPD
LYD2 Series Surge protective device
Product introduction
LYD2 series surge protective device is developed no basis of absorbing foreign latest technology, used in power supply system of AC 50/60Hz, rated voltage 380V and below, to protect from direct and indirect lightning impulse and other transient over voltage. SPD has two protection modes: MC and MD SPD is in compliance witn IEC61643-1 standards.
Installation
- To be mounted between LPZOB or LPZ1 zone and LPZ2 zone, adopts 35mm standard mounting rail. The cross sectional area of multi-stand soft copper conductor: 2.5 to 35mm2.
- Every pole of SPD shall be protected by fuse or mini circuit breaker. As required, the user can assemble single pole or three poles surge protective device freely.
Operation elements:
SPD has built-in disconnector, when SPD is invalid duo to overheating or breakdown, the disconnector can automatically separate SPD from the network, meanwhile send an indication signal. The visible window show white color in normal service, if to be separated from network, it will show red color.
Technical parameter:
Model and specification |
LYD2-65 |
LYD2-40 |
LYD2-15 |
LYD2-8 |
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Maxi. Continuous operating voltage Uc(V/AC) |
420 |
275 |
420 |
275 |
420 |
275 |
420 |
275 |
Voltage protective level ≤ |
2.5 |
2.0 |
2.0 |
1.2 |
1.5 |
1.0 |
1.2 |
0.8 |
Maxi discharge current Imax.(8/20μs) kA |
65 |
40 |
15 |
8 |
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Rated discharge current In.(8/20μs) kA |
30 |
15 |
5 |
2 |
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Response time(ns) |
<25 |
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Protection grade |
IP20 |
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Indication of invalidation |
Aging invalidation: white is normal and red is invalidation |
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Application |
Primary protection for in line |
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Remote signal function |
Remote signal function can select. |
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Outside size:
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