Mersen STXP51S1004X - 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 "B" corner grounded .
Mersen

STXP51S1004X

Alternate Item Number: 782001428884

UPC: 782001428884


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The Mersen Surge-Trap® STXP Series (SKU: STXP51S1004X) provides advanced surge protection for critical industrial and commercial electrical systems. This Type 1 Surge Protective Device (SPD) features Mersen's proprietary TPMOV® technology for maximum safety and reliability, eliminating the need for additional overcurrent protection. It meets stringent industry standards including ANSI/UL 1449 5th Edition, CSA C22.2, and ANSI/IEEE C62.41.1, C62.41.2, C62.45 surge testing, as well as UL96A Lightning Protection requirements. Engineered for versatility and ease of installation, the STXP Series offers a compact design with flexible mounting options. It can be installed on the line or load side of a panel, making it suitable for applications ranging from service entrances to machine-specific control panels. The device fits 3/4" knockouts and comes standard with 36" cable leads for straightforward integration. An optional flush-mount kit is available for in-wall installations. Key technical specifications and features include: * **TPMOV® Technology:** Internally fused for enhanced safety. * **Surge Capacity:** 100kA per phase (Imax) for superior single impulse withstand and extended product life. * **Short-Circuit Current Rating (SCCR):** 200kA for robust protection. * **Modes of Protection:** Up to 10 modes (L-N, L-L, L-G, N-G) for comprehensive defense. * **Status Indicators:** LED indicators for operational status (ON = Good, OFF = Replace) and phase loss (ON = Operational, OFF = Maintenance Required). * **Enclosure:** NEMA 4X rated for indoor and outdoor use in harsh environments. * **Warranty:** 10-year manufacturer’s warranty. This specific model, STXP51S1004X, is designed for 480 Volts, 3-Phase Delta systems with a Type "B" corner grounded configuration. Its robust performance, compact form factor, and advanced safety features make it an ideal choice for protecting commercial and industrial distribution panels, control panels, and essential equipment where operational continuity is paramount.
  • Mersen TPMOV® technology for maximum safety
  • 100kA surge capacity per phase
  • 200kA Short-Circuit Current Rating (SCCR)
  • Up to 10 modes of protection
  • NEMA 4X enclosure for indoor/outdoor use
  • NEMA 4X enclosure for indoor/outdoor use with flexible mounting options
  • LED status and phase loss indicators for easy monitoring
  • Up to 10 modes of protection (L-N, L-L, L-G, N-G)

Specifications

Application
AC Distribution Power supplies Drive Protection Fire Alarms Control Panels Telecommunications Residential IT / Data centers
Brand Name
Mersen
Color
Blue
Connection Type
Screw Terminal
Connection Type
Pre-wired Leads
Frequency
60 Hz
Ip Rating
IP4X
Material
Poly
Mounting
Screw
Mounting Type
Panel Mount
Mounting Type
Panel Mount with Feet or Flush Mount
Nema Rating
Type 4X
Poles
3P Delta Corner Grounded
Poles
3P+G
Series
Surge-Trap XP Series
Series
Surge-Trap® Type 1 XP Series
Short Circuit Rating
200 kA
Short-Circuit Rating
200 kA
Special Features
UL 1449 Third Edition Listed, Type 1 SPD (Sept. 2009) Can be installed line-side or load-side of main disconnect 20kA Nominal discharge current 200kA SCCRs (most models) UL 96A Lightning Protection Master Label compliant (@20kA, In) Pre-wired with 3’ (1m) of #10 AWG conductor Voltage specific design – highly configurable All MOV suppression elements monitored NEMA 4X enclosure Ten-year warranty Phase-loss monitoring (toggles LED and dry contacts)
Standard
UL 1449 Third Edition, (cUL Type 2 optional) UL File VZCA.E210793 RoHS Compliant IEC 61643 CE Burn-In tested prior to shipment UL 96A lighting protection master label
Sub Brand
Surge-Trap®
Type
Surge-Trap Type 1 & 2
Type Of Indicators
LED
Voltage Rating
480 VAC
Package Dimensions (L x W x H)
7.91 IN x 3 IN x 3 IN
Package Dimensions (L x W x H)
20.0914 cm x 7.62 cm x 7.62 cm
Package Weight (Imperial)
3.000 L
Package Weight (Metric)
1.361 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.