SPD for Windpower System
Wind power protection devices are mainly used to protect wind power system equipment, sensitive electric and electronic parts in turbine system from lightning strikes, widely applied in power line protection in wind power system's distribution box, and other AC distribution box.
Feature of Wind Protection Devices
1. Own designed temperature control circuit-breaking technology and built-in overcurrent protection circuit to completely avoid fire danger.
2. Working state and failure state are clear and intuitive.
3. Kevin wiring is workable.
4. Convenient installation and simple maintenance.
5. Remote alarm Status indicator
6. Exquisite workmanship, can work in hostile environments such as acid, alkali, dust, salt spray, and humidity for a long time.
Application of Wind Protection Devices
Applied to wind power protection system, Wind power generator.
Low voltage transformer box, Output of second power equipment, US and European box are applicable.
Technical Parameters of Wind Protection Devices
Model M40W-690 M40W-400 M40W-230
Lightning protection zone(LPZ) 1-2
Standards Compliance IEC61643-11, EN60950
Classification Class C/Type 2
Nominal working voltage Un 690V 400V 230V
Max continuous operating voltage Uc 700V 440V 250V
Nominal discharge current (8/20µs) In 20KA
Max discharge current Imax (8/20µs) Imax 40KA
Follow current interrupt rating Ifi 25KArms/100Arms
Short-Circuit Current Rating Isccr 25KA
Temporary overvoltage (TOV)(L-N) Ut 440 V / 120 min. – withstand
Temporary overvoltage (TOV) [N-PE) Ut 1200 V / 200 ms – withstand
Protection level Up 3000V 2200V 1500V
Response time tA (L-N/N-PE) 25ns
Protection model L L L N-PE L L L-PE L N-PE
Dimension 90 (H)×90(W)×65(L)mm 90 (H)×54(W)×65(L)mm 90 (H)×36(W)×65(L)mm
Mounting DIN-rail Mounting 35mm
IP code IP20
Working conditions Temperature: -40 to 80℃, Relative humidity: ≤95％
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