Surge protector with disconnector ETITEC A 440/5/F1-NO 002441201

### Surge protection for your installation

The ETITEC A 440/5/F1-NO surge arrester is a key element protecting the electrical installation from the effects of sudden voltage spikes. Designed to protect overhead lines, it effectively minimizes the risk of damage to equipment and ensures continuity of power supply. It utilizes varistor technology, guaranteeing a fast and effective response to surges.

Construction and application

This arrester, with a continuous operating voltage Uc of 440V, is used in TN, TN-C and TN-S network systems. Its construction based on varistor technology allows for the absorption of surge energy, protecting connected devices. The rated discharge current of 5kA (8/20μs) and the short-circuit withstand capacity of 4kA ensure high efficiency in the event of a failure. Protection class II / C confirms its compliance with applicable safety standards.

Key features and benefits

• Fast response: Varistor technology provides an instantaneous reaction to surges, minimizing the time the installation is exposed to harmful effects.
• Versatile application: Designed for TN, TN-C and TN-S networks, making it a universal solution for various installations.
• High efficiency: Rated discharge current of 5kA (8/20μs) and short-circuit withstand capacity of 4kA guarantee effective protection against the effects of surges.
• Optical indication of operation: Built-in optical indicator informs about the operation of the arrester, facilitating problem identification and quick response.
• Direct mounting: Enables easy and quick installation in an existing installation.
• Protection level 1.4kV: Provides a high level of protection against atmospheric surges and disturbances in the power supply network.
• Leakage current: Has a leakage current function which increases safety.

The continuous operating voltage is 440V, and the rated discharge current is 5kA (8/20μs). The short-circuit withstand capacity reaches 4kA, and the protection level is 1.4kV. The arrester is designed for TN, TN-C and TN-S networks and utilizes varistor technology.

The ETITEC A 440/5/F1-NO arrester is a reliable solution for anyone who cares about the safety of their electrical installation and the protection of connected devices from the effects of surges. Its solid construction and high technical parameters guarantee long-lasting and efficient operation.