Surge voltage protective module for one pair of wires for measuring and control systems, in LSA (IDC) disconnection modules. The protective module provides coarse and fine protection in LSA systems (construction form 2). Surge voltage protection connector for 1DA, with fail-safe contact.
- Versions for various voltage levels
- Two-step, coarse and fine protection
- Fail-safe thermal overload protection
| IEC category | C2 / C1 |
| Nominal voltage DCUN | 24 V= |
| Max. continuous operating voltage DCUc | 29 V= |
| Nominal voltage ACUN | 15 V~ |
| Max. continuous operating voltage AC (50/60 Hz) Uc | 20 V~ |
| Nom. operating current at 25°CIL | 100 mA |
| C2 nominal discharge current (8/20 µs)In | 5 kA |
| C2 nominal discharge current (8/20 µs) totalImax | 10 kA |
| Protection level at In (line-PG)Up | ≤ 60 V |
| Residual voltage at 1 kV/μs (line-PG)Ures | ≤ 46 V |
Additional Information
| Response timetA | ≤ 1 ns |
| Capacitance, line-earthC | ≤ 1,4 nF |
| Series impedance per line at 25°CR | 27 Ω |
| Max. transmission frequencyfg | 4,2 MHz |
| Operating temperature rangeTU | -25 - +60 °C |
| Earthing (Grounding) by | via grounding bar and isolation unit on LSA backmount frame |
| Enclosure material / colour | self-extinguishing thermoplastic (POCAN) UL 94 V0, grey |
