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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