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Mersen STXR240V3H50 - 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. 240 Volts 3P Delta system type with high leg .

Mersen STXR240V3H50 The Surge-Trap® Type 1 XR Series meets requirements for UL1449 Third Edition and is…

Alternate Item Number: 782001428648

UPC: 782001428648

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Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen Surge-Trap® Type 1 XR Series, specifically the STXR240V3H50 model, represents a pinnacle in industrial surge protection technology. Engineered to meet and exceed the stringent requirements of UL1449 Third Edition, this Surge Protective Device (SPD) is the definitive solution for safeguarding critical electrical infrastructure. Its primary function is to detect and divert transient voltage surges, which can originate from lightning strikes, utility switching, or internal equipment operations, thereby preventing damage to sensitive electronic components and ensuring operational continuity. The STXR240V3H50 is expertly designed for 240V 3-Phase Delta systems, including those with a high leg configuration, making it exceptionally versatile for a wide array of industrial and commercial applications. From large manufacturing facilities and data centers to critical infrastructure like water treatment plants and transportation systems, reliable surge protection is paramount. This Mersen SPD offers robust defense against damaging voltage spikes, protecting everything from main service entrances to individual control panels and sensitive automation equipment. A key differentiator of the XR Series is the integrated TPMOV® (Thermal Protected Metal Oxide Varistor) technology. This advanced feature provides an unparalleled level of safety by incorporating a thermal disconnect mechanism. Should a varistor fail due to repeated surge events or internal overheating, the TPMOV® ensures a safe disconnection from the power line, preventing potential fire hazards and system downtime. This inherent safety feature makes the Surge-Trap® XR Series the safest product available on the market for surge suppression. Installation flexibility is another significant advantage. The compact and streamlined design of the STXR240V3H50 allows for seamless integration into existing electrical systems. It can be installed at the service entrance to provide whole-building protection or at downstream distribution panels and control cabinets for localized, targeted protection of specific equipment. This adaptability ensures that optimal surge suppression can be achieved regardless of the system architecture. Key features and benefits of the Mersen Surge-Trap® Type 1 XR Series include: * **UL1449 Third Edition Compliance:** Ensures adherence to the highest industry safety and performance standards. * **TPMOV® Technology:** Provides superior safety with integrated thermal disconnect for enhanced protection against failure. * **Compact Design:** Facilitates easy installation in various locations, from main panels to control cabinets. * **Flexible Installation:** Suitable for both line and load side connections, offering versatile application. * **240V 3P Delta System Compatibility:** Specifically engineered for this common industrial power configuration, including high leg systems. * **Enhanced System Longevity:** Protects sensitive equipment from damaging surges, extending the operational life of electrical assets. * **Reduced Downtime:** Minimizes the risk of equipment failure due to transient voltage events, ensuring business continuity. When selecting surge protection, professionals prioritize reliability, safety, and compliance. Mersen, a globally recognized leader in electrical protection and power management, consistently delivers products that meet these critical demands. The Surge-Trap® XR Series, with its advanced technology and robust construction, is a testament to Mersen's commitment to providing dependable and effective surge suppression solutions. Investing in the STXR240V3H50 means investing in the resilience and efficiency of your electrical systems, safeguarding your operations against the unpredictable nature of voltage transients.
  • Mersen Surge-Trap® Type 1 XR Series SPD (SKU: STXR240V3H50)
  • Meets UL1449 Third Edition requirements for reliable surge protection.
  • Features integrated TPMOV® technology for enhanced safety and thermal disconnect.
  • Ideal for 240V 3-Phase Delta systems, including high leg configurations.
  • Compact design offers flexible installation at service entrance or control panels.

Specifications

Application
AC Distribution Power supplies Drive Protection Fire Alarms Control Panels Telecommunications Residential IT / Data centers
Brand Name
Mersen
Mounting
Din Rail / Panel / Bracket
Mounting Type
Line or Load Side
Poles
3P Delta (High Leg)
Poles
3P
Series
XR
Series
XR Series
Short Circuit Rating
200 kA
Short-Circuit Rating
200 kA
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
240 Vac
Voltage Rating
120/240 VAC
Package Dimensions (L x W x H)
11 IN x 6.25 IN x 4.5 IN
Package Dimensions (L x W x H)
27.94 cm x 15.875 cm x 11.43 cm
Package Weight (Imperial)
1.680 L
Package Weight (Metric)
0.762 kg
5-port Ethernet Switch

SDI-550

5-port Ethernet Switch
Fiber cable ODC to SC duplex - 670mm

Fiber cable ODC SC Duplex 670mm

Fiber cable ODC to SC duplex - 670mm
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
24U 21.34W 31.5D CABINET BLK

REFK1904231BK1

24U 21.34W 31.5D CABINET BLK
Symmetrical DIN rail 2m 35x15x1,5 steel z-b

50000043

Symmetrical DIN rail 2m 35x15x1,5 steel z-b
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
Cable Manager, fits 19-inch open rack, Black, Steel

ECK19H

Cable Manager, fits 19-inch open rack, Black, Steel
6U PERF PANEL

PPFS19010BK

6U PERF PANEL
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
The Mini-Com Flush Mount Modular Patch Panel accepts up to 24 Mini-Com Modules for unshielded applications in 1 RU, and mounts to 19 inch and 23 inch racks and cabinets. The panel mounts flush with the rack and can be identified with adhesive labels and is black.

CPP24FMWBLY

The Mini-Com Flush Mount Modular Patch Panel accepts up to 24 Mini-Com Modules for unshielded applications in 1 RU, and mounts to 19 inch and 23 inch racks and cabinets. The panel mounts flush with the rack and can be identified with adhesive labels and is black.
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.
The TX6A™ 10Gig Cat 6A UTP Patch Cord is a 1-Meter, Blue cord constructed of 24 AWG, unshielded, twisted pair stranded, LSZH (60332-1) cable with high-performance modular plugs. Its MaTriX Tape Technology limits alien crosstalk, ensuring 10 Gb/s transmission. The tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.

UTP6AL1MBU

The TX6A™ 10Gig Cat 6A UTP Patch Cord is a 1-Meter, Blue cord constructed of 24 AWG, unshielded, twisted pair stranded, LSZH (60332-1) cable with high-performance modular plugs. Its MaTriX Tape Technology limits alien crosstalk, ensuring 10 Gb/s transmission. The tangle-free latch prevents snags and ensures a fast release, streamlining moves, adds, and changes. Enabled with RapidID, the product has pre-installed barcodes for simple port mapping using RapidID software.

Frequently Asked Questions

What is the operating temperature range for the Surge-Trap XR Series?

The operating and storage temperature range is from -40°C to +85°C.

What is the maximum discharge current rating for this SPD?

The maximum discharge current rating is 50kA per phase.

What voltage range does the Surge-Trap XR Series support?

The Surge-Trap XR Series supports voltages from 120V to 600V AC.

What is the nominal discharge current rating for most models?

The nominal discharge current rating for most models is 20kA.

What is the SCCR for most Surge-Trap XR Series models?

The SCCR for most models is 200kA.

What type of enclosure does the XR Series SPD have?

The XR Series SPD features a standard NEMA 4X polycarbonate enclosure.

What wiring size is used for the integral leads?

The integral leads are #10AWG and are 3 feet (1m) long.

What is the response time of the Surge-Trap XR Series?

The response time for the Surge-Trap XR Series is less than 1 ns.

How can I determine if the SPD has reached its end of life?

The device has a visual end-of-life indicator. GREEN means OK, and OUT means REPLACE.

What are the installation flexibility options for the XR Series SPD?

The XR Series SPD can be installed line-side or load-side of the main disconnect.

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.