FLT 25-400
-
Type 1 surge protection device
2809717
Type 1 / Class I / B arrester (lightning current arrester) with arc chopping spark gap, 1-channel. Housing width: 17.5 mm (1 Div.)
Product details
| IEC test classification | I |
| T1 | |
| EN type | T1 |
| IEC power supply system | TN-S |
| TN-C | |
| TT | |
| Type | DIN rail module, one-piece |
| Number of positions | 1 |
| Nominal frequency fN | 50 Hz |
| 60 Hz | |
| Nominal voltage UN | 240 V AC |
| Connection method | Screw connection |
| Screw thread | M5 |
| Tightening torque, min | 4.5 Nm |
| Stripping length | 14.5 mm |
| Conductor cross section flexible min. | 0.5 mm² |
| Conductor cross section flexible max. | 25 mm² |
| Conductor cross section, rigid min. | 0.5 mm² |
| Conductor cross section, rigid max. | 35 mm² |
| Dimensional drawing |
|
| Width | 17.7 mm |
| Height | 89.8 mm |
| Depth | 65.5 mm |
| Horizontal pitch | 1 Div. |
| Flammability rating according to UL 94 | V0 |
| Housing material | PA |
| Mechanical data | |
| Open side panel | No |
| Nominal frequency fN | 50 Hz |
| 60 Hz | |
| Maximum continuous operating voltage UC (L-N) | 400 V |
| Maximum continuous operating voltage UC (L-PE) | 400 V |
| Maximum continuous operating voltage UC (L-PEN) | 400 V |
| Protective conductor current IPE | < 1 µA |
| Nominal discharge current In (8/20) µs (L-N) | 25 kA |
| Nominal discharge current In (8/20) µs (L-PEN) | 25 kA |
| Follow current quenching capacity Ifi (L-N) | 2.5 kA |
| Follow current quenching capacity Ifi (L-PEN) | 2.5 kA |
| Voltage protection level Up (L-N) | ≤ 4 kV |
| Voltage protection level Up (L-PE) | ≤ 4 kV |
| Voltage protection level Up (L-PEN) | ≤ 4 kV |
| Response time tA (L-N) | ≤ 100 ns |
| Response time tA (L-PEN) | ≤ 100 ns |
| Max. backup fuse with branch wiring | 125 A (gL) |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 85 °C |
| Permissible humidity (operation) | ≤ 95 % |
| Air clearances and creepage distances | |
| Standards/regulations | VDE 0110-1 / IEC 60664-1 / VDE 0675-6 |
| Standards | |
| Standards/regulations | VDE 0675-6 |
| E DIN VDE 0675-6/A1 | |
| E DIN VDE 0675-6/A2 | |
| Standards/specifications | VDE 0675-6 |
| Note | 1989 |
| Standards/specifications | E DIN VDE 0675-6/A1 |
| Note | 1996 |
| Standards/specifications | E DIN VDE 0675-6/A2 |
| Note | 1996 |
| Mounting type | DIN rail: 35 mm |
