TTC-6-1X2-24DC-PT – 2906804 Cắt sét tín hiệu Số/Tương tự
Thông tin kỹ thuật:
So với TTC 6 thì TTC 3 hoàn toàn tương tự về khả năng bảo vệ nhưng không có cờ hiển thị trạng thái cúa chống sét .
Hình 1 - Cấu tạo chống sét TTC 3
Hình 2 : Cấu tao TTC 6 với thanh hiển thị trang thái màu đỏ
Protective circuit
IEC test classification | C1 |
---|---|
C2 | |
C3 | |
D1 | |
Nominal voltage UN | 24 V DC |
Maximum continuous voltage UC | 30 V DC |
21 V AC | |
Rated current | 600 mA (40 °C) |
Operating effective current IC at UC | ≤ 5 µA |
Residual current IPE | ≤ 1 µA |
Nominal discharge current In (8/20) µs (line-line) | 5 kA |
Nominal discharge current In (8/20) µs (line-earth) | 5 kA |
Pulse discharge current Iimp (10/350) µs (line-line) | 0.5 kA |
Pulse discharge current Iimp (10/350) µs (line-earth) | 0.5 kA |
Total discharge current Itotal (8/20) µs | 10 kA |
Voltage protection level Up (line-line) | ≤ 55 V (C1 - 1 kV/500 A) |
≤ 65 V (C2 - 10 kV / 5 kA) | |
≤ 50 V (C3 - 25 A) | |
≤ 55 V (C3 - 100 A) | |
Voltage protection level Up (line-earth) | ≤ 750 V (C1 - 1 kV/500 A) |
≤ 750 V (C2 - 10 kV / 5 kA) | |
≤ 700 V (C3 - 25 A) | |
≤ 750 V (C3 - 100 A) | |
Voltage protection level Up static (line-line) | ≤ 50 V (C1 - 1 kV/500 A) |
≤ 65 V (C2 - 10 kV / 5 kA) | |
Voltage protection level Up static (line-earth) | ≤ 750 V (C1 - 1 kV/500 A) |
≤ 750 V (C2 - 10 kV / 5 kA) | |
Response time tA (line-line) | ≤ 1 ns |
Response time tA (line-earth) | ≤ 100 ns |
Input attenuation aE, sym. | typ. 0.3 dB (≤ 250 kHz / 150 Ω) |
Cut-off frequency fg (3 dB), sym. in 150 Ohm system | typ. 940 kHz |
Capacity (line-line) | typ. 2.2 nF |
Resistance per path | 1.65 Ω ±20 % |
Max. required back-up fuse | 630 mA (FF) |
Impulse durability (line-line) | C1 - 1 kV / 500 A |
C2 - 10 kV / 5 kA | |
C3 - 100 A | |
Impulse durability (line-earth) | C1 - 1 kV / 500 A |
C2 - 10 kV / 5 kA | |
C3 - 100 A | |
D1 - 500 A | |
Pulse reset time (line-line) | ≤ 700 ms |
Pulse reset time (line-earth) | ≤ 1500 ms |
Additional technical data
Max. total discharge current I total max (8/20) µs | 20 kA (1x) |
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