LIT 4-12 – 2804704 Chống sét tín hiệu 4 dây 12 VDC
Thông tin kỹ thuật:
Protective circuit
IEC test classification | C1 |
---|---|
C2 | |
C3 | |
D1 | |
Nominal voltage UN | 12 V DC |
Maximum continuous voltage UC | 18 V DC |
13 V AC | |
Rated current | 500 mA (40 °C) |
Operating effective current IC at UC | ≤ 2 µA |
Residual current IPE | ≤ 4 µA |
Nominal discharge current In (8/20) µs (line-line) | 350 A |
Nominal discharge current In (8/20) µs (line-earth) | 5 kA |
Pulse discharge current Iimp (10/350) µs (line-earth) | 500 A |
2 kA (in total) | |
Total discharge current Itotal (8/20) µs | 20 kA |
Max. discharge current Imax (8/20) µs maximum (line-line) | 350 A |
Max. discharge current Imax (8/20) µs maximum (line-earth) | 10 kA |
20 kA (in total) | |
Nominal pulse current Ian (10/1000) µs (line-line) | 70 A |
Nominal pulse current Ian (10/1000) µs (line-earth) | 50 A |
200 A (in total) | |
Output voltage limitation at 1 kV/µs (line-line) spike | ≤ 50 V |
Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 650 V |
Residual voltage at In (line-line) | ≤ 50 V |
Residual voltage with Ian (10/1000) µs (line-line) | ≤ 50 V |
Voltage protection level Up (line-line) | ≤ 50 V (C1 - 500 V / 250 A) |
≤ 35 V (C3 - 10 A) | |
≤ 40 V (C3 - 70 A) | |
Voltage protection level Up (line-earth) | ≤ 650 V (C1 - 500 V / 250 A) |
≤ 650 V (C2 - 10 kV / 5 kA) | |
≤ 650 V (C3 - 10 A) | |
≤ 700 V (C3 - 50 A) | |
≤ 700 V (D1 - 500 A) | |
Response time tA (line-line) | ≤ 1 ns |
Response time tA (line-earth) | ≤ 100 ns |
Input attenuation aE, sym. | typ. 0.3 dB (1.5 MHz/50 Ω) |
typ. 0.3 dB (500 kHz / 150 Ω) | |
Cut-off frequency fg (3 dB), sym. in 50 Ohm system | typ. 5 MHz |
Cut-off frequency fg (3 dB), sym. in 150 Ohm system | typ. 1.7 MHz |
Capacity | ≤ 1.5 nF (per path) |
Resistance in series | 0 Ω |
Surge protection fault message | none |
Max. required back-up fuse | 500 mA (T) |
Impulse durability (line-line) | C1 - 500 V / 250 A |
C3 - 70 A | |
Impulse durability (line-earth) | C1 - 500 V / 250 A |
C2 - 10 kV / 5 kA | |
C3 - 50 A | |
D1 - 500 A | |
Alternating current carrying capacity (line-earth) | 5 A - 1 s |