Surge Protective Device

Type: surge protective device LND-B/4-400-100 is used to restrict the effort that surge over-voltage made to the power supply system, and avoid electromagnetic impulse came from lightning strike going through the power supply system to impulse the electric equipment. Specifications: 1) Rated voltage: 220/380V 2) Continuous operating voltage (one-pole): 400V 3) Pole no.: 4 4) 8/20µs nominal discharge current: 100 kA 5)8/20µs maximum discharge current: 150 kA 6)10/350µs impulse discharge current: 15 kA 7)Electric charge quantity: 5.0 As 8) Voltage protective level: 3.0kV 9)Response time: <25 ns 10)Suggested connecting wire size: L, N hard wire 16 mm2, PE 25 mm2 hard wire 11)Suggested fuse current: 63 100 A 12)One-pole width: 27mm 13)Installation: Electric track of 35mm Condition of Use: 1. The ambient air temperatures within the range of -40 Celsius degree to +80 Celsius degree; 2. The altitude above sea level not exceeding 2,000m; 3. The humidity of the environment not exceeding 90%; 4. Earthquake intensity not exceeding 7 degrees; 5. The medium of the environment having no caustic and volatile gas and dust. Technical Standard: Confirmed to IEC61643-1