Pepperl+Fuchs K-LB-1.30G Surge Protection Barrier
30V DIN Rail 1-Channel Intrinsically Safe Surge Protector
Product Overview
The K-LB-1.30G is a high-performance intrinsically safe surge protection barrier designed for industrial process control systems. This device effectively suppresses surge voltages and transient overcurrents in hazardous area applications, providing stable protection for field instruments, transmitters, and control loops while maintaining signal integrity.
Key Features
- Single-channel intrinsically safe surge protection
- Rated voltage: 30V
- High surge current capacity up to 20kA
- SIL 3 certified for enhanced safety performance
- Auto-reset function for continuous operation
- Low leakage current and fast response time
- DIN rail mounting for easy installation
- Compact and robust industrial design
- Compatible with standard 4-20mA and HART signal loops
Technical Specifications
| Model |
K-LB-1.30G |
| Number of channels |
1 |
| Operating voltage |
30V |
| Surge discharge current |
20kA |
| Safety level |
SIL 3 |
| Mounting type |
DIN rail |
| Rated current |
250 mA |
| Leakage current |
< 10 µA at 24V and 25°C (77°F) |
| Number of protected signal lines |
2 |
Applications
The K-LB-1.30G surge protection barrier is widely used in oil and gas, chemical processing, pharmaceutical manufacturing, and general industrial automation. It safeguards sensitive field equipment from lightning surges, switching transients, and electromagnetic interference, ensuring stable and safe operation in harsh environments.
Installation Notes
The device must be mounted on a 35 mm DIN mounting rail according to EN 60715. Always connect to high-quality ground connections and ensure the device has the same potential as the equipment it protects. Install the ground system in accordance with applicable regulations.