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Surge Protective Device WU5-T1+T2-7

No. of poles 1P 2P 3P 4P 1P+NPE 3P+NPE
Network systems TN-S, TN-C, TT(only L-N) TN-S TN-C TN-S TT, TN-S
Mode of protection L-PE, N-PE(onlyTN-S),
L-PEN, L-N		 L-PE, N-PE L-PEN L-PE, N-PE L-N, N-PE
Protective elements High Energy MOV High Energy MOV and GDT
Maximum continuous operating voltage (L-N) Uc 150V 275V 320V 385V 440V
Maximum continuous operating voltage (N-PE) Uc 255V
Impulse discharge current (10/350μs) limp 7kA
Norminal discharge current (8/20μs)  ln 25kA
Maximum discharge current (8/20μs) (L-N) lmax 50kA
Voltage protection level (L-N)/(N-PE) Up 1.2kV/1.5kV 1.45kV/1.5kV 1.6kV/1.5kV 1.8kV/1.5kV 2.0kV/1.5kV
Voltage protection level 5kA Up 1.0kV 1.2kV 1.4kV 1.5kV 1.6kV
Response time (L-N)/(N-PE) tA ≤25ns/≤100ns
Operating temperature range Tu -40℃ to +80℃
Max. Back-up fuse 160 A gL/gG
Operating state/fault indication Green/Red(L-N),Yellow(N-PE)
Cross-section area (Min.)/(Max.) 4mm²/35mm²
Mounting 35 mm DlN Rail, EN 60715
Enclosure material Thermal Plastic UL94-V0
Degree of protection IP20 (built-in)

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Product Description About Us

AC SPD (AC Surge Protective Device) refers to a surge protector used in AC power supply systems. It is mainly used to suppress transient overvoltages caused by lightning strikes, switching operations, electrostatic discharge, etc., and to safely discharge surge current, thereby protecting the power distribution equipment, control devices, and terminal loads (such as PLCs, frequency converters, instruments, lighting systems, etc.) in the AC circuit.

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