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Surge Protection Device, 3P, Class C, 20-40 kA, 1000VDC&#x4; &#x4; Features: &#x4; Widely used in induction thunder and influence of direct lightning or other transient overvoltage surge protection, to protect DC power system, photovoltaic system, wind power generation and other industrial DC power equipment safe to use.&#x4; Standards: IEC 61643-1, CE.&#x4; &#x4; Specifications: &#x4; Number of contacts: 3.&#x4; Class: C.&#x4; Maximum continuous operating voltage (Uc): 1000V DC.&#x4; Maximum discharge current (Imax): 40 kA.&#x4; Nominal discharge current (In): 20 kA.&#x4; Voltage protection level (Up): < / = 3.6 kV.&#x4; Response time: