Overvoltage protection

Examples of SPD (overvoltage protections) of power supply circuits, communication interfaces, CIB

Protection of TV signal distribution system (coax cables)

The TV cable from the areal on the roof can be protected by the FX-090 B75 F/F (SALTEK) coaxial surge protection, or by the KO-10P (HAKEL), system, which...

Protection of the Ethernet (the weather station, WiFi on the roof)

To ensure surge protection of devices placed on the roof (under the roof) and connected to the Ethernet network, it is recommended to install the DL-1G...

Surge protection of the RS-485 (RS-232) communication interface

If there is a risk of overvoltage (parallel cabling), it is recommended to increase the resilience of the systems by using the surge protection (SPD) with...

Protection of socket circuits

The socket circuits can be protected by Type 3 of SPDs, either in the version with an HF filter (this is a better solution for sensitive electronics),...

Coordination of SPD, decouplers

The SPDs in the installation can only function properly if proper mutual coordination between them is provided - i.e. ensuring minimum required impedance...

Protection of 1ph, 230 V devices, the LPZ 2/3 interface, Type 3

In order to protect a device powered from the 230V grid, you should install a surge suppressor in the control panel, which is as close as possible to the...

Protection of the supply network TN-S, 3ph, 230V, the LPZ 1/2 interface, Type 2

Protecting the supply network on the LPZ 1/2 interface, Type 2, can be facilitated by installing a surge suppressor in the subordinate switchboard, e.g....

Protection of the mains TN-C, 3ph, 230V and the interface LPZ 0/1, Type 1+2

Wiring the protection of Type 1+2 (lightning current suppressor) of the mains for objects with the main fuse up to 63 A connected by an earth cable, the...

Protection of the mains TN-C, 3ph, 230 V and the interface LPZ 0/1, Type 1

Wiring the protection of Type 1 (lightning current suppressor) of the mains for objects with the main fuse up to 63 A connected by an earth cable, the...

SPD when placing the control system in the secondary switchboard

When applied with a control system, SPD type 3 with a high-frequency filter is used, which not only protects the system against overvoltage but also against...