Surge protector T2 40kA 2P 412241

Electrical installation protection with surge limiters

The ON300 series T2 40kA 2P surge limiter is a key element ensuring the safety and reliability of the electrical installation. The device effectively protects against the effects of atmospheric and switching surges, minimizing the risk of equipment damage and power outages. Designed to work with TN, TT and TN-S/TN-C/TN-C-S networks, it is a universal solution for a wide range of applications – both in residential and commercial buildings.

Construction and application

This limiter, mounted on a TH-35 mm DIN rail, occupies only 2 modules, making it easy to install even in crowded distribution boards. It is intended for the protection of 230V AC circuits. Thanks to its high energy discharge capacity (20kA peak current), it effectively absorbs sudden voltage surges, protecting connected devices. Optical indication of operation allows for quick identification of a situation requiring intervention. The maximum wire cross-section of 35mm² ensures compatibility with various types of cabling.

Key features and benefits

• Versatility: Compatible with TN, TT, TN-S, TN-C and TN-C-S network systems – one limiter for many installation configurations.
• High efficiency: Impulse discharge capacity of 20kA (8/20µs) provides effective protection against surges. Protection level of 1.7kV guarantees a high degree of safety.
• Compact dimensions: Occupies only 2 modules on the DIN rail, making it easy to install in tight distribution boards.
• Simple diagnostics: Optical status indication allows for quick checking of whether the limiter has operated and needs to be replaced.
• Universal wires: Support for wires with a cross-section of up to 35 mm² ensures compatibility with most standard installations.
• Durability and reliability: Made of high-quality materials by a renowned manufacturer – Legrand – guarantees long-lasting and trouble-free operation.
• Safety: Protects against damage to electrical equipment caused by surges, which translates into savings and minimizes the risk of downtime.