Application
The overvoltage arrester B61-300 FI limits excess voltage on supply cables. The arrester protects the electronics of the connected instruments effectively against overvoltages.
Benefits
- Simple installation through carrier rail mounting
- Suitable for use in circuits with fault-current circuit breaker
- High reliability even with impermissible excess voltages
Technical Data
| Housing material | Plastic Aluminium |
| Protection rating | IP20/IP65 |
| Ambient temperature | -40 … 60 °C |






