The Surge-Trap® Type 1 XP Series offers advanced performance over other products. The XP meets requirements for UL1449 Third Edition and has been designed to be as compact as possible while offering advanced protection. The XP features TPMOV® technology inside making it the safest product available. Installation can be done on the line or load side of a panel. The XP is the perfect fit from service entrance all the way down to an important machine specific control panel. 480 Volts 3P Delta system type with alarm .

Surge-Trap® Pluggable SPD provides advanced overvoltage protection. Utilizing Mersen's patented TPMOV® design, which does not require fuses, a fuse holder or additional wiring in meeting the UL 1449 Third Edition standards thus providing substantial cost savings and reduced installation times. It also features a visual indicator, easy installation, fail-safe design, mechanical coding and remote monitoring. The Surge-Trap Pluggable SPD base is designed to be mounted on 35mm DIN-rail while plugs are easily replaceable upon failure without touching the base or the hassle of rewiring. 840 Volts, PV Plug .

Surge-Trap® Pluggable SPD provides advanced overvoltage protection. Utilizing Mersen's patented TPMOV® design, which does not require fuses, a fuse holder or additional wiring in meeting the UL 1449 Third Edition standards thus providing substantial cost savings and reduced installation times. It also features a visual indicator, easy installation, fail-safe design, mechanical coding and remote monitoring. The Surge-Trap Pluggable SPD base is designed to be mounted on 35mm DIN-rail while plugs are easily replaceable upon failure without touching the base or the hassle of rewiring. 400 Volts TNS system type .

Mersen's Surge-Trap® Type 1 SPD is a fail-safe and economical solution for applications that require a NEMA-style SPD. It is UL 1449 Third Edition approved and offers a wide range of voltage configurations to meet all needs in its class. The Surge-Trap Type 1 SPD features Mersen's patented TPMOV® technology eliminating the need for additional overcurrent protection, thus providing substantial cost savings. 277/480 Volts 3P Wye system type nema 4X .

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 480Y/277V, L-G, L-N, L-L, N-G, 3-Phase Wye, LED and Remote Audible Alarm 50 kA per phase

The most advanced of the STX series, the Surge-Trap® Type 1 STXT Series comes standard with EMI/RFI Filtering and surge capacities up to 200kA. The STXT 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. 240/120V, L-G, L-L, L-N, N-G, High Leg Delta, LED and Remote Audible Alarm 100 kA per phase

The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of older surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel and/or individual equipment protection., 480V, L-G, L-L, 3-Phase Delta, 50 kA per phase

Mersen’s TPMOV7SL (SKU 270TPMOV7SL) is a thermally protected metal oxide varistor (MOV) surge suppressor designed for industrial applications. This 75kA-rated device operates at 270VAC maximum continuous operating voltage (MCOV) and shares the same footprint as standard 25–40mm MOVs, enabling easy upgrades without redesign. The patented TPMOV technology includes a built-in disconnect mechanism that isolates failed components via an arc shield, preventing system damage. A visual pin indicator and normally open microswitch provide remote failure notification. ANSI/UL 1449 4th Edition Type 1 SPD compliant and RoHS-compliant. No additional overcurrent protection required.

SPD - Plugable STP 75 Series 120/240V L-N VPR 600V L-N MCOV 175V 75 kA 2-pole MI

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP277P07M, offers robust surge protection for industrial control panels. Featuring Mersen’s patented TPMOV® technology, this device is fail-safe and self-protected, eliminating the need for additional overcurrent protection. Its DIN-rail mountable design ensures easy installation and a compact footprint. The integrated visual indicator provides immediate status feedback, while an optional remote indicator connects to critical control circuitry for enhanced monitoring. With a high short circuit current rating (SCCR), the STP Series is suitable for a wide range of industrial applications. The TPMOV technology internally comprises a voltage clamping device and a disconnecting apparatus that monitors the metal oxide disk, ensuring fail-safe operation. In the event of an overvoltage breakdown, an arc shield securely disconnects the metal oxide disk from system power. Upon failure, a visual pin indicator and a normally open micro-switch provide remote indication. This unit is designed for reliable performance in demanding electrical environments.

Mersen STP480YN07M is a Surge-Trap Pluggable Series (STP) Surge Protective Device (SPD) featuring Mersen’s TPMOV® technology. This no-fuse, failsafe surge suppressor eliminates the need for additional overcurrent protection. Designed for DIN-rail mounting, it includes a visual indicator and a small footprint. A remote indicator provides status to critical control circuitry. The device has a high short circuit current rating, making it suitable for most industrial control panels. Manufactured by Mersen in the US.

The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP347P07, 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 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 makes it suitable for a wide range of industrial applications.