Mersen Surge Protector 275V AC Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester STPT2-40

Mersen STPT2-40 Surge Protector is a Type 2/Class II device engineered to discharge voltage surges for effective protection of electrical installations. It operates at a maximum voltage rating of 275V AC and can handle surge currents up to 40 kA, making it ideal for industrial, commercial, and electronic component applications.

The device is designed for DIN Rail mounting, facilitating straightforward installation in supply distribution panels. It is typically used as a second stage of protection where Type 1 devices have been installed upstream or as a first stage in commercial environments without direct lightning exposure.

Operating in temperatures ranging from -40°C to 80°C, this surge protector is robust and versatile, suitable for various harsh conditions and climates. Its compact dimensions (18mm length, 90mm height, 70mm depth) allow integration in confined electrical panels.

Compliance with IEC 61643-11 and EN 61643-11 standards guarantees that the STPT2-40 meets stringent safety and performance criteria, delivering reliable surge protection for sensitive electronic and electrical systems.

The configuration for this product is L-N (1 Phase), targeting single-phase power supply configurations common in commercial and industrial installations. It does not include remote monitoring features but is trusted for its durability and efficiency.

Produced in Spain, this surge protector assures manufacturing quality and adherence to international standards, suitable for electricians, maintenance professionals, and industrial users seeking effective surge mitigation.

This surge protector operates within a temperature range from -40°C to 80°C. It features a DIN Rail mount type for easy installation in distribution panels. The device measures 18mm in length, 90mm in height, and 70mm in depth.

Compliance with IEC 61643-11 and EN 61643-11 standards ensures high reliability and safety. It is intended for second-stage protection in supply panels with upstream Type 1 devices or first-stage protection in non-lightning exposed commercial settings.

This model does not support remote monitoring capabilities. Configuration is L-N (1 phase), suitable for single-phase electrical systems. Manufactured in Spain to ensure quality and performance standards.

Explore more surge protection solutions and electrical components in the Electronics and Electricals category at EnvMart for comprehensive industrial and commercial system protection.

Explore more products in our Surge Protection Components category.