通訊與防護
ArtTek DC Signal Lightning Arrester
Protect DC signal circuits for access control, telephone systems, two-wire transmitters and RS232/422/485 communication.
Lightning Protection Device
Application market：
- Access control system
- Telephone exchange
- Two-wire transmitter
- RS232/422/485
ArtTek DC Signal Lightning Arrester
| Specification | NTC-006 | NTC-012 | NTC-024 | NTC-048 | NTC-110 |
| Operating voltage Un | 5 V | 12 V | 24 V | 48 V | 110 V |
| Operating voltage Uc | 8 V | 16 V | 32 V | 60 V | 170 V |
| Load capacity | 250 mA | ||||
| Discharge current (8/20μs) | 5 KA | ||||
| Maximum discharge current (8/20μs) | 10 KA | ||||
| Bandwidth | 3 MHz | ||||
| Protection mode | Wire to line / line to ground | ||||
| Reaction Time | < 1ns | ||||
| Wire to Wire / Voltage Protection Level Up | ≤ 25V | ≤ 45V | ≤ 90V | ≤ 145V | ≤ 455V |
| Line to Ground / Voltage Protection Level Up | ≤ 700V | ≤ 700V | ≤ 700V | ≤ 700V | ≤ 700V |
| Wire-to-wire 10 / 700μs 5KV Protection Rating | ≤ 18V | ≤ 28V | ≤ 48V | ≤ 110V | ≤ 250V |
| Working Environment | Temperature −40°C ~ +70°C, humidity ≦ 75% | ||||
| Installation Method | 35mm rail | ||||
| Size | 90 * 13 * 65 mm | ||||
| Appearance and Material | Blue,Plastic | ||||
| Standard Test | IEC 61643-21 / IEEE SWC | ||||