Mersen's patented TPMOV® (Thermally Protected Metal Oxide Varistor ) eliminates common destructive failure modes associated with standard MOVs. Comprised of a voltage clamping device and a disconnecting apparatus that monitors the status of the metal oxide disk inside the TPMOV, the device is securely disconnected in the event of an overvoltage by an arc shield. Upon failure, the TPMOV is also equipped with a visual pin indicator as well as a normally open microswitch providing remote indication, if applicable. 270 Volts Micro and Short Leads series.

The Surge-Trap® Type 1 XT Series offers Advanced Technology. The XT features TPMOV® technology inside making it the safest product available. With line or load side installation flexibility, this unit is a great fit from the service entrance all the way down to each distribution and/or branch panel. 120/240 Volts split phase system type 200 kA surge rating with alarm .

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP230P07M, is a failsafe surge suppressor designed for industrial control panels. It features Mersen’s TPMOV® technology, eliminating the need for additional overcurrent protection. This DIN-rail mountable SPD offers a self-protected design with a visual indicator and a compact footprint. A remote indicator provides status updates to critical control circuitry. Its high short circuit current rating ensures suitability for a wide range of industrial applications. This device provides essential protection against transient voltage surges.

The Mersen STP480D07M Surge-Trap Pluggable SPD (SKU: STP480D07M) is a no-fuse, failsafe surge suppressor designed for industrial control panels. Built with Mersen’s TPMOV® technology, it eliminates the need for additional overcurrent protection while providing robust surge suppression. This DIN-rail mountable device features a compact footprint, a visual indicator for status monitoring, and a remote indicator to relay critical control circuitry status. With a high short circuit current rating, it is suitable for most industrial applications requiring reliable surge protection. The failsafe self-protected design ensures operational safety and longevity, making it an ideal choice for protecting sensitive industrial equipment from transient voltage spikes. Compatible with standard DIN-rail systems, the STP480D07M operates at 480V AC and is engineered for seamless integration into existing control panels without complex wiring or additional components.

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU SP07U550, offers robust surge protection for industrial control panels. This DIN-rail mountable unit features Mersen’s proprietary TPMOV® technology, eliminating the need for additional overcurrent protection and ensuring a failsafe, self-protected design. Its compact footprint and visual status indicator make it ideal for space-constrained applications. For enhanced monitoring, a remote indicator provides critical status updates to control circuitry. With a high short circuit current rating, the SP07U550 is suitable for a wide range of industrial applications. The STP series is designed for reliable performance and ease of integration into existing systems. Key features include its pluggable design for simple replacement and maintenance. Mersen's commitment to quality ensures dependable protection against transient voltage events, safeguarding sensitive electronic equipment. This SPD is engineered for operational integrity in demanding industrial environments.

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP480D05M, offers robust protection for industrial control panels. This no-fuse, failsafe surge suppressor integrates Mersen’s advanced TPMOV® technology, eliminating the need for additional overcurrent protection. Its DIN-rail mountable design ensures easy installation and a compact footprint. The device features a visual indicator for immediate status monitoring and a remote indicator output to alert critical control circuitry of any operational changes. With a high short circuit current rating, the STP480D05M is engineered for reliability in demanding industrial environments. Manufactured in the US, this SPD provides essential protection against transient voltage surges, safeguarding sensitive equipment and ensuring operational continuity. Its fail-safe, self-protected design simplifies maintenance and enhances system uptime.

SPD - Plugable STP-50 Series 120/240V L-N VPR 600V L-N MCOV 175V 50kA 2-pole MI

The Mersen Surge-Trap Pluggable STP Series STP690Y05M is a fail-safe surge protective device (SPD) designed for industrial control panels. It features Mersen’s TPMOV® technology, eliminating the need for additional overcurrent protection. This DIN-rail mountable unit offers a visual indicator for status and a small footprint. A remote indicator is available to signal status to critical control circuitry. Its high short circuit current rating makes it suitable for diverse industrial applications. SKU: STP690Y05M.

The Mersen STP208YN05 Surge-Trap Pluggable SPD is a no-fuse, failsafe surge suppressor featuring Mersen’s TPMOV® technology. Designed for industrial control panels, it eliminates the need for additional overcurrent protection with a high short-circuit current rating. This DIN-rail mountable device includes a visual indicator and remote indicator for status monitoring, all in a compact footprint. Ideal for protecting critical control circuitry from transient voltage spikes.

The Mersen STP120P05 Surge-Trap Pluggable SPD (SKU: STP120P05) is a no-fuse, failsafe surge suppressor featuring Mersen’s TPMOV® technology. This DIN-rail mountable device eliminates the need for additional overcurrent protection while providing high short-circuit current ratings suitable for most industrial control panels. Key features include a fail-safe self-protected design, a visual indicator for status monitoring, and a small footprint. It also offers a remote indicator to relay status to critical control circuitry, ensuring reliable operation in demanding environments.

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP208YN05M, is a no-fuse, failsafe surge suppressor designed for industrial control panels. It features Mersen’s TPMOV® technology, eliminating the need for additional overcurrent protection. This DIN-rail mountable SPD offers a fail-safe, self-protected design with a visual indicator and a compact footprint. A remote indicator provides status updates to critical control circuitry. Its high short circuit current rating makes it suitable for a wide range of industrial applications.

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP347P05, is a no-fuse, failsafe surge suppressor designed for industrial control panels. It features Mersen’s TPMOV® technology, eliminating the need for additional overcurrent protection. This DIN-rail mountable SPD offers a fail-safe, self-protected design with a visual indicator and a compact footprint. A remote indicator is available to signal status to critical control circuitry. Its high short circuit current rating ensures suitability for a wide range of industrial applications.