Surge Protection For AC Power Supplies FLT-SEC-H-T1-3C-440/25-FM
Plug-in lightning current arrester, in accordance with Type 1/Class I, with integrated surge-proof fuse, for 3-phase power supply networks with combined PE and N installed in one conductor (L1, L2, L3, PEN).
Description
Nominal voltage UN : 400/690 V AC
3-phase TN-C, 400/690 V AC, Class I/II, 25 KA (10/350µs), with integrated surge-proof fuse
P/N : FLT-SEC-H-T1-3C-440/25-FM
- Integrated combination of spark gap without line follow current and surge-proof fuse.
- Can be used without separate backup fuse thanks to integrated overcurrent protection.
- Free of leakage current, suitable for use in the pre-meter area.
| IEC Tested Class | I/II, T1/T2 |
| Max.Continuous Voltage Uc | 440 V |
| Impulse current Iimp (10/350) µs | 25 kA |
| Maximum discharge current Imax (8/20) µs | 50 kA |
| Nominal discharge current In (8/20) µs | 25 kA |
| Voltage protection level Up | ≤ 2.5 kV |
| Follow Current interupt rating Ifi | 50 kA |
| Remote indication contact | PDT contact |
| Test standard | IEC61643-11 |
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