Surge arrester T2 (C) ETITEC C T2 440/20 2+0 002440409

Effective protection against overvoltages in electrical installations

The ETITEC C T2 440/20 2+0 surge arrester is a reliable device designed to protect against the effects of voltage surges in electrical networks. It provides Type 2 protection according to EN 61643-11, which means it is perfect for sub-distribution boards, protecting sensitive devices from damage caused by overvoltages. Its compact size – only 2 modules – makes it easy to install even in tight distribution boards.

Versatility and compatibility with various network systems

This surge arrester is characterized by high versatility and can be used in various network systems: TN, IT and TN-S. This makes it an ideal solution for both home and industrial installations. Withstand short-circuit current at 25 kA guarantees stable operation even in difficult operating conditions. The rated discharge current of 20 kA (8/20 µs) provides effective protection against switching surges.

Installation and operating status indication

The surge arrester is mounted on a standard DIN TH-35 mm mounting rail, which greatly simplifies and speeds up installation. Optical indication of device operation informs about the need to replace the varistor cartridges after a surge occurs. This allows for a quick response and maintaining the continuity of installation protection. The maximum wire cross-section of up to 35 mm² (stranded) and 25 mm² (flexible) ensures compatibility with most wiring used in buildings. The protection level of 2 kV effectively reduces the surge voltage to a safe level for connected devices.