Surge arrester for the interface RS DSUB 9 or arrester 25 connectors
Surge Arresters
DL-RS DD9
DL-RS DD25
Surge arrester for the interface RS DSUB 9 or arrester 25 connectors Fine surge protection designed to protect serial ports of computers and control systems from pulse overvoltage effects.
| Technical data | DL-RS DD9 | DL-RS DD25 |
| Location SPD | ST 3 | ST 3 |
| Maximum operating voltage Uc | 18 V DC / 12,7 V AC | 18 V DC / 12,7 V AC |
| C1 nominal discharge current (8/20 μs) per line In | 150 A | 150 A |
| C1 voltage protection level line - line at In UP | 65 V | 65 V |
| C3 voltage protection level line - line at 1 kV/μs Up | 50 V | 50 V |
| C3 voltage protection level line - PE at 1 kV/μs Up | 980 V | 980 V |
| Threshold frequency fG | 55 MHz | 55 MHz |
| Response time line - line ta | 1 ns | 1 ns |
| Response time line - PE ta | 100 ns | 100 ns |
| Degree of protection | IP 20 | IP 20 |
| Range of operating temperatures | – 40 °C … + 80 °C | – 40 °C … + 80 °C |
| Connection input – output | female DSUB 9 – male DSUB 9 | female DSUB 25 – male DSUB 25 |
| Meets the requirements of standard | EN 61643-21 | EN 61643-21 |
| Ordering number | 8595090509684 | 8595090521600 |