Class III surge arrester FV25B/1+NPE-xxx S

type 1 + 2remote signalingfor photovoltaïc installations

TUV certified 1 phase Iimp 25kA AC surge protective device SPD Item No: FV25B/1+NPE-xxx S 1. TUV approved Type 1+2, 25kA@10/350μs, 50kA@8/20μs 1 phase surge arrester. 2. With indication window and remote control contacts. 3. Unique designing, patent technology. 4. Used in the lightning protection zones concept at boundary LPZ0B-LPZ1. 5. The core parts are multilayer spark gap and metal oxide varistor with high discharge capacity. 6. Low residual voltage. 7. Protection mode: L1, L2, L3-N, N-PE Electrical parameters of surge protective device SPD FV25B/3+NPE-255S SPD installation type conforms to IEC61643-11 / EN61643-11: ClassI+II Protection level conforms to DIN VDE0675-6: B+C Type of Network: TT Protectionmode： L-N , N-PE Nominal Voltage UN： 230/440 Vac/50(60)Hz Maximum continuous operating voltage UC：255 Vac/50(60)Hz Continuous operating current IC： <20 µA Residual current IPE： ≤20 µA dc ≤500 µA ac Standby power consumption PC： ≤25 mVA Nominal discharge current (8/20μs)[L-N]/[N-PE] In： ≥25/100 kA Impuse discharge current (10/350μs) [L-N]/[N-PE] Iimp：≥25/100kA Voltage protection level Up： ≤1.5 kV Isolation resistance Risol：＞1000 MΩ Response time tA：≤100 ns Follow up current extinguishing capability [L-N]/[N-PE]：≥25 kArms / 100 Arms Let-Through-Energy in combination with an MOV S20K275 Iimp 0÷25kA(10/350μs)：≤151 Jouls Temporary overvoltage (TOV)：≥440 Vac/120 min Remote control contact：YES Disconnection indicator：Mechanical indicator (Green: OK, Red: Replace)