Surge Arresters
DP-012
DP-024
DP-048
DP-060
Surge arrester for low-voltage power supplies Visual fault signalling Designed to protect a line of equipment connected to distributions of DC and AC supply voltage. According to the concept of lightning protection zones, it is installed at the boundary of LPZ 1–LPZ 2 zones and higher.
| Technical data | DP-012 | DP-024 | DP-048 | DP-060 |
| Location SPD | ST 2 | ST 2 | ST 2 | ST 2 |
| Nominal voltage Un | 12 V AC/DC | 24 V AC/DC | 48 V AC/DC | 60 V AC/DC |
| Maximum operating voltage Uc | 28 V DC / 22 V AC | 44 V DC / 34 V AC | 90 V DC / 70 V AC | 90 V DC / 70 V AC |
| Nominal current IL | 16 A | 16 A | 16 A | 16 A |
| C2 nominal discharge current (8/20 μs) per line In | 2 kA | 2 kA | 2 kA | 2 kA |
| C2 voltage protection level line - line at In UP | 160 V | 200 V | 360 V | 390 V |
| C2 voltage protection level line - PE at In Up | 530 V | 530 V | 550 V | 550 V |
| C3 voltage protection level line - line at 1 kV/μs In | 2 kA, 2 kA | 2 kA, 2 kA | 2 kA, 2 kA | 2 kA, 2 kA |
| C3 voltage protection level line - PE at 1 kV/μs Uoc | 4 kV, 4 kV | 4 kV, 4 kV | 4 kV, 4 kV | 4 kV, 4 kV |
| voltage protection level a1–b1, a1 (b1) – PE Up | 160 V, 530 V | 200 V, 530 V | 360 V, 550 V | 390 V, 550 V |
| Maximum current protection | 16 A gL/gG or C 16 A | 16 A gL/gG or C 16 A | 16 A gL/gG or C 16 A | 16 A gL/gG or C 16 A |
| Response time line - line ta | 25 ns | 25 ns | 25 ns | 25 ns |
| Response time line - PE ta | 100 ns | 100 ns | 100 ns | 100 ns |
| Degree of protection | IP 20 | IP 20 | IP 20 | IP 20 |
| Range of operating temperatures | – 40 °C … + 80 °C | – 40 °C … + 80 °C | – 40 °C … + 80 °C | – 40 °C … + 80 °C |
| Mounting on | ------------- | ------------ | ---------------- | -------------- |
| Cross-section of connected conductors | | | | |
| Solid max | ISO: 4 mm2 ; AWG: 11 | ISO: 4 mm2 ; AWG: 11 | ISO: 4 mm2 ; AWG: 11 | ISO: 4 mm2 ; AWG: 11 |
| Stranded max | ISO: 2,5 mm2 ; AWG: 13 | ISO: 2,5 mm2 ; AWG: 13 | ISO: 2,5 mm2 ; AWG: 13 | ISO: 2,5 mm2 ; AWG: 13 |
| Tightening torque | 0,6 Nm | 0,6 Nm | 0,6 Nm | 0,6 Nm |
| Fault indication | red indicator | red indicator | red indicator | red indicator |
| Meets the requirements of standard | EN 61643-21 EN 61643-11 + A11T3 | EN 61643-21 EN 61643-11 + A11T3 | EN 61643-21 EN 61643-11 + A11T3 | EN 61643-21 EN 61643-11 + A11T3 |
| Ordering number | 8595090521877 | 8595090516040 | 8595090521884 | 8595090521907 |
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