S-LB-3124 Signal Surge Protector (3-Wire, 24V)
3-wire signal surge protective device, suitable for 24V voltage signal circuits, 7mm ultra-slim integrated design, 35mm DIN rail mounting, capable of continuous operation (auto-reset).
- Original Factory Genuine, Tenfold Compensation for Counterfeits
- Full Machine Warranty, Lifetime Maintenance
- In Stock, Shipped on the Same Day
The S-LB-3124 surge protector provides line-to-line low residual voltage protection for the LPZ0B to LPZ2 zones and subsequent zone boundaries. Suitable for 3-wire transmitters, RS-232 and similar products.
| Parameter Name | Technical Specifications |
|---|---|
| Basic Parameters | |
| Nominal voltage Un | 24V |
| Max. continuous DC operating voltage Uc | 33V |
| Nominal current (45°C) IL | 600mA |
| wire system | 3-wire |
| Discharge parameters | |
| Total impulse discharge current D1 (10/350μs) | 2kA |
| Total impulse discharge current per line Iimp (D1, 10/350μs) | 1kA |
| Total nominal discharge current Itotal (C2, 8/20μs) | 10kA |
| Nominal discharge current per line In (C2, 8/20μs) | 5kA |
| Maximum discharge current per line Imax (C2, 8/20μs) | 10kA |
| Protection level and response | |
| Line-to-line voltage protection level Up (C2, 8/20μs) | 60V |
| Line-to-earth voltage protection level Up (C2, 8/20μs) | 600V |
| Line-to-line voltage protection level Up (C3, 1kV/μs) | 50V |
| Line-to-earth voltage protection level Up (C3, 1kV/μs) | 600V |
| Line-to-line response time tA | 1 ns |
| Line-to-earth response time tA | 100 ns |
| Other parameters | |
| Series resistance R | 1.8Ω |
| Line-to-line cut-off frequency fG | 7.8 MHz |
| Degree of protection | IP20 |
| Flammability rating (UL94) | V0 |
| Installation Method | 35 mm DIN rail mounting |
| Earthing | Terminal grounding supported (optional) |
- 3-wire, for 24 V signal circuits
- Continuous operation (auto-reset)
- 7 mm integrated ultra-slim design, 35 mm DIN rail mounting
- Terminal grounding supported (optional)
- Line-to-line low residual voltage protection, for LPZ0B–LPZ2 boundary interfaces
Surge protection for field instrument signal circuits
Suitable for 3-wire transmitters, RS-232 and similar products
Need selection advice or bulk quotation?
Send us the working condition parameters (signal type, medium, range, pressure, temperature, connection method), and our engineers will provide a selection scheme and quotation within 1 working day.
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