Mersen Surge Protector 275V AC Maximum Voltage Rating 20 kA Maximum Surge Current Type 3 Arrester, Type 2 STPT23

Mersen STPT23 surge protector (model STPT23) is designed for electrical panels to provide combined Type 2 and Type 3 surge protection with a maximum voltage rating of 275V AC and a maximum surge current capacity of 20 kA. This device is ideal as the final stage of protection, especially in panels that already incorporate upstream Type 2 devices such as STP T2 40 SPDs.

The unit features DIN rail mounting, which simplifies installation within control enclosures. It supports remote monitoring, providing the ability to track surge events and ensure timely maintenance.

Dimensionally compact, the surge protector measures 90mm in height, 72mm in length, and 70mm in depth, making it suitable for varied panel layouts without consuming unnecessary space.

Constructed to meet strict international safety and performance standards IEC 61643-11 and EN 61643-11, the STPT23 ensures dependable operation in challenging industrial, commercial, and residential electrical environments.

This surge protector is configured for CT1 and TNS electrical systems, enabling flexibility in various wiring configurations. Its robust design provides effective suppression of transient voltages, helping to protect sensitive electrical equipment, industrial machinery, and control systems from damage caused by surges.

Combines Type 2 and Type 3 arrester functions for enhanced surge protection. Designed for DIN rail mounting ensuring easy installation in electrical panels. Supports remote monitoring capabilities for real-time surge event tracking.

Compact dimensions: 90mm height, 72mm length, and 70mm depth. Certified to IEC 61643-11 and EN 61643-11 standards for reliable performance. Suitable as a final stage protector in panels with upstream Type 2 protection devices.

Configuration compatible with CT1 and TNS systems. Manufactured in Spain ensuring international quality standards.

This product is ideal for use in industrial electrical installations, commercial facilities, and other environments where surge protection is critical to safeguard electronic devices and systems.

Browse EnvMart for a comprehensive range of high-quality surge protection devices including other Mersen models and related electrical components.

Explore more products in our Surge Protection Components category.