Mersen STXR120V2P100 - The Surge-Trap® Type 1 XR Series meets requirements for UL1449 Third Edition and is ideal for the replacement of surge arrestors. The XR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the XR series is the perfect fi from service entrance all the way down to a specific control panel. 120/240 Volts split phase system type 100 kA surge rating .
Mersen

STXR120V2P100

Alternate Item Number: 782001428556

UPC: 782001428556

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Overview

The Mersen Surge-Trap® Type 1 XR Series (STXR120V2P100) is a high-performance surge protective device (SPD) engineered to meet the rigorous demands of modern electrical systems. Designed for 120/240V split-phase applications, this UL1449 Third Edition-compliant SPD delivers exceptional surge protection with a 100kA rating, ensuring unmatched defense against transient voltage spikes. At its core, the XR Series leverages Mersen’s proprietary TPMOV® (Thermal Protected Metal Oxide Varistor) technology, a proprietary innovation that enhances safety by mitigating the risk of catastrophic failure during extreme surge events. This technology is critical in industrial and commercial environments where equipment reliability and operational continuity are non-negotiable. The compact and versatile design of the Surge-Trap® XR Series makes it an ideal solution for a wide range of installations, from service entrance applications to critical control panels. Its flexible line or load installation options simplify integration into existing electrical infrastructures, reducing downtime and installation costs. Whether deployed in manufacturing facilities, data centers, healthcare campuses, or renewable energy systems, the XR Series provides robust protection for sensitive electronics, motors, and control systems against the damaging effects of lightning strikes, switching transients, and other voltage anomalies. Selecting the right SPD is a critical decision for electrical engineers and facility managers, as the consequences of inadequate surge protection can include equipment failure, costly downtime, and safety hazards. The XR Series addresses these concerns with a combination of high surge capacity, thermal stability, and compliance with industry standards. Mersen, a global leader in electrical protection solutions, has built a reputation for reliability and innovation, with decades of expertise in developing products that safeguard critical infrastructure. The Surge-Trap® brand, in particular, is synonymous with quality and performance in the surge protection market, trusted by professionals across industries to deliver dependable, long-term protection. Installation of the Surge-Trap® XR Series is straightforward, thanks to its modular design and clear labeling. It can be mounted on DIN rails or directly to panels, making it suitable for both new construction and retrofit projects. The device’s compact footprint ensures it fits seamlessly into tight spaces, while its high surge rating provides peace of mind in high-risk environments. For professionals seeking a Type 1 SPD that combines safety, performance, and ease of installation, the Mersen Surge-Trap® XR Series (STXR120V2P100) is the optimal choice. Whether protecting a single control panel or an entire facility, this SPD delivers the reliability and durability required to maintain operational excellence in the face of electrical disturbances.
  • UL1449 Third Edition compliant for maximum safety and reliability
  • TPMOV® technology ensures thermal protection and long lifespan
  • 100kA surge rating for robust protection against transient events
  • Compact design with flexible line or load installation options
  • Ideal for service entrance, control panels, and critical infrastructure

Specifications

Application
AC Distribution Power supplies Drive Protection Fire Alarms Control Panels Telecommunications Residential IT / Data centers
Brand Name
Mersen
Connection Type
Line or Load
Material
TPMOV® (Thermal Protected Metal Oxide Varistor)
Mounting
Din Rail / Panel / Bracket
Mounting Type
DIN rail or panel mount
Poles
2P
Series
XR Series
Short Circuit Rating
200 kA
Short-Circuit Rating
200 kA
Size
Compact
Special Features
UL 1449 Third Edition Listed,Type 1 SPD Can be installed line-side or load-side of main disconnect 20kA Nominal discharge current 200kA SCCR (most models) UL 96A Lightning Protection Master Label compliant (@20kA, In) Large block 50kA TPMOV&reg, Pre-wired with 3’ (1m) of #10 AWG conductor Standard NEMA 4X polycarbonate enclosure Tri-mount installation kit Included (pipe nipple, bracket, DIN-rail) Two-year warranty
Standard
UL 1449 Third Edition File VZCA.E210793 IEC 61643 CE ANSI/IEEE C62.41 Burn-In tested prior to shipment UL 96A lighting protection master label (Most Models)
Sub Brand
Surge-Trap®
Type
Surge-Trap Type 1 & 2
Type Of Indicators
LED
Voltage Rating
120/240 VAC
Package Dimensions (L x W x H)
3.57 IN x 3.26 IN x 4.13 IN
Package Dimensions (L x W x H)
9.0678 cm x 8.2804 cm x 10.4902 cm
Package Weight (Imperial)
1.600 L
Package Weight (Metric)
0.726 kg
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included

3085

Super-Safeway® Multiple Outlet Box, Extended Depth, 2-Sided, F2 (1/2") Cord Grip Body, with Flip Lids for (2) Duplex Not Included
Ethernet SHDSL Extender

DDW-120

Ethernet SHDSL Extender
24U 21.34W 31.5D CABINET BLK

REFK1904231BK1

24U 21.34W 31.5D CABINET BLK
6U PERF PANEL

PPFS19010BK

6U PERF PANEL
Fiber cable ODC to SC duplex - 670mm

Fiber cable ODC SC Duplex 670mm

Fiber cable ODC to SC duplex - 670mm
DIN Rail ? DIN 35

ARH 1656

DIN Rail ? DIN 35
Cable Manager, fits 19-inch open rack, Black, Steel

ECK19H

Cable Manager, fits 19-inch open rack, Black, Steel
DataCom Enclosure Pkg, Bulletin DPVD (PROLINE® Voice and Data Package - PROLINE Voice and Data Package), Size/Dims: 2000x700x800mm, Material: Steel, Finish: Lt Gray

PDCP2078

DataCom Enclosure Pkg, Bulletin DPVD (PROLINE® Voice and Data Package - PROLINE Voice and Data Package), Size/Dims: 2000x700x800mm, Material: Steel, Finish: Lt Gray
This TX6A 10Gig Cat 6A STP Patch Cord is a 12-Meter, Int'l Grey cord constructed of 26 AWG, shielded, twisted pair, stranded, CM/LSZH cable and with high-performance modular plugs. Its tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. The slender strain relief boot provides easy access in high-density applications. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.

STP6X12MIG

This TX6A 10Gig Cat 6A STP Patch Cord is a 12-Meter, Int'l Grey cord constructed of 26 AWG, shielded, twisted pair, stranded, CM/LSZH cable and with high-performance modular plugs. Its tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. The slender strain relief boot provides easy access in high-density applications. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.
OM1 2 fiber, 16mm jacket, patchcord, Riser (OFNR) rated, LC duplex to SC duplex, Std IL

F62ERLNSNSNM002

OM1 2 fiber, 16mm jacket, patchcord, Riser (OFNR) rated, LC duplex to SC duplex, Std IL
Membrane plate cable entry system offers a good strain relief while maintaining IP/NEMA ingress sealing rating. The CESUM3-C15 is a Rectangular Un-Terminated Cable Entry System, 4.1" (103 mm) Long, with 8 Openings 0.12" (3.0 mm) to 0.31" (8 mm), 3 Openings 0.20" (5.1 mm) to 0.35" (9.0 mm), 4 Openings 0.3" (7.5 mm) to 0.47" (12.0 mm). Color is Black. Standard Package Quantity is 1 PC.

CESUM3-C15

Membrane plate cable entry system offers a good strain relief while maintaining IP/NEMA ingress sealing rating. The CESUM3-C15 is a Rectangular Un-Terminated Cable Entry System, 4.1" (103 mm) Long, with 8 Openings 0.12" (3.0 mm) to 0.31" (8 mm), 3 Openings 0.20" (5.1 mm) to 0.35" (9.0 mm), 4 Openings 0.3" (7.5 mm) to 0.47" (12.0 mm). Color is Black. Standard Package Quantity is 1 PC.

Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.