With an active cathodic corrosion protection the installation is permanently protected against the electrochemical process of corrosion. For that matter a grid supplied rectifier is inserted between the installation (e.g. a pipeline) and an anode that serves as earth electrode. By connecting two or three PLPro units in parallel the overall current can be elevated up to 80 respectively 120 A.
- AC discharge current: 40 or 80 A
- Several PLPro devices can be connected in parallel to raise the total discharge current
- Maintenance-free
- No disturbance of search signals
- Monitoring of discharge current with integrated current transformer possible
- Integrated lightning and surge current protection up to 100 kA (10/350 µs)
- Safety switch for discharging the capacitors
| Rated voltage (P-E)Umax | 25 V= |
| Max. continuous diverting current 50Hz (P-E)IA | 40 A~ |
| Short-time discharge current for 1s/50Hz (P-E)Imax | 400 A~ |
| Leakage current (P-E) | ≤ 1 mA |
| Nominal discharge current (8/20 µs) (P-E)In | 10x 100 kA |
| Lightning impulse current (10/350 µs)Iimp | 100 kA |
| Capacitance condensatorsC | 2x 100.000 µF |
| Operating temperature rangeTU | -40 - +80 °C |
| Terminals (P/E) | min. 16 / max. 150 mm² |
| Current transformer | 100:1 A |
Additional Information
| Terminals (current transformer i1, i2) | 25 mm² |
| Mounting | wall mounting |
| Dimensions (L x W x H) | 400 x 300 x 132 mm |
| Degree of protection (IEC EN 60529) | IP 65 |
