Primary surge arrester type 1 - Network head.
Lightning protection of electrical network devices.
Available in single-phase or three-phase networks.
Removable independent modules, ease of maintenance and servicing.
- Surge arrester type 1 Iimp 12.5 kA / Imax 80 kA,
- Nominal discharge current In 20 kA,
- Withdrawable cartridge,
- Integrated thermal disconnection, (optional transfer)
- Fault indication on the front by mechanical indicator.