| Customization: | Available |
|---|---|
| Type: | Power Source Arrester |
| Structure: | Zinc Oxide Arrester |
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| Model. No. | FV25B/3+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 | 230/440 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 | ≥25/100 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% |
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