AC Surge protective device for low-voltage distribution system
Model No.: FV20C/4-275S
• Class II / Type 2 surge protective devices.
• For using in the lightning protection zones concept at boundary 1-2.
• 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 --- L1,L2,L3,N-PE
1.Coding
2. Dimension
3. Circuit
4. Electrical parameters
Model. No. | FV20C/4-275S |
SPD protection conforms to IEC 61643-11 / EN 61643-11 | Type 2 |
SPD installation type conforms to IEC 61643-11 / EN 61643-11 | Class II |
Protection level conforms to DIN VDE0675-6 | C |
Type of Network | TT , TN |
Protection mode | L1 , L2 , L3 ,N-PE |
Nominal Voltage UN | 220/380 Vac/50(60)Hz |
Maximum continuous operating voltage UC | 275 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 |
Maximum discharge current (8/20μs) Imax | 40 kA |
Nominal discharge current (8/20μs) In | 20 kA |
Voltage protection level Up | ≤1.2 kV |
Isolation resistance Risol | ＞1000 MΩ |
Response time tA | ≤25 ns |
Remote control contact | YES |
Disconnection indicator | Mechanical indicator (Green: OK, Red: Replace) |
I/O Connections | By screw terminal:10-35mm2 By connection bus |
Installation location | Inside |
Mounting type | Symmetrical rail (EN50022/DIN46277-3) |
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
