TUV approved AC Surge Arrester for low-voltage distribution system
Model No.: FV25B/1+NPE-255 S
• TUV approved Class I+II/ Type 1+2 surge protector.
• Tested ccording to IEC61643-11.
• For using in the lightning protection zones concept at boundary 0-1.
• The core parts are metal oxide vristor components with high discharge capacity.
• Reliable control thanks to Thermo Dynamic Control disconnector.
• With remote signaling contact for control device.
• Fault indication via red mark in the inspection window.
• Protection mode --- L-N,N-PE
1.Coding
2. Dimension & Circuit
3. Electrical parameters
Model. No. | FV25B/1+NPE-255S |
SPD protection conforms to IEC 61643-11 / EN 61643-11 | Type 1+2 |
SPD installation type conforms to IEC 61643-11 / EN 61643-11 | Class I+II |
Protection level conforms to DIN VDE0675-6 | B+C |
Type of Network | TT |
Protection mode | L-N , N-PE |
Nominal Voltage UN | 230 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 | ≥25/50 kA |
Impuse discharge current (10/350μs) [L-N]/[N-PE] Iimp | ≥25/50 kA |
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) |
Minimum area of connecting cable | 16 mm2 |
Maximum area of connecting cable | 35 mm2 |
Installation location | Inside |
Mounting type | 35mm DIN rail acc. to EN 60715 |
Color | Gray |
Degree of protection | IP20 |
Housing material | UL94V-0 |
Ambient temperature | -40°C ~+80°C |
Altitude | ≤2000 m (amsl (above mean sea level)) |
Permissible humidity | 30%~90% |
5. Installation
