Mersen STT4X2083PYG - 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. 120/208 Volts 3P Wye system type nema 4X .
Mersen

STT4X2083PYG

Alternate Item Number: 782001445089

UPC: 782001445089

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Specification Sheet

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Overview

Protect your critical electrical infrastructure with the Mersen Surge-Trap® Type 1 SPD, SKU STT4X2083PYG. Engineered for demanding industrial and commercial environments, this advanced surge protection device offers a fail-safe and economical solution for applications requiring robust NEMA-style enclosures. Approved under the stringent UL 1449 Third Edition standard, the STT4X2083PYG provides reliable defense against transient voltage surges that can disrupt operations, damage sensitive equipment, and lead to costly downtime. Designed specifically for 120/208 Volt, 3-Phase Wye systems, this Surge-Trap unit boasts a NEMA 4X rating, ensuring its durability and protection against dust, water, and corrosion in harsh environmental conditions. Its compact and efficient design makes it an ideal choice for panelboards, switchgear, and other critical power distribution points where space and environmental resilience are paramount. A key innovation of the Surge-Trap Type 1 SPD is Mersen's patented TPMOV® (Thermal Protected Metal Oxide Varistor) technology. This integrated feature eliminates the need for separate external overcurrent protection devices, such as fuses or circuit breakers, specifically for the surge protection circuit. This not only simplifies installation and reduces labor costs but also minimizes the overall footprint and complexity of your surge protection system. The TPMOV® technology ensures that the device will safely disconnect from the power line in the event of a catastrophic failure, preventing further damage and enhancing overall system safety. Key features and benefits of the Mersen Surge-Trap® Type 1 SPD (STT4X2083PYG) include: * **UL 1449 Third Edition Approval:** Meets rigorous industry safety and performance standards for surge protective devices. * **Patented TPMOV® Technology:** Integrates thermal protection and disconnect functionality, eliminating the need for external overcurrent protection and reducing installation costs. * **NEMA 4X Enclosure Rating:** Provides superior protection against dust, water ingress, and corrosion, making it suitable for challenging environments. * **Wide Voltage Range:** Available in various configurations to meet diverse system voltage requirements, ensuring compatibility across a broad spectrum of applications. * **Fail-Safe Operation:** Designed to safely disconnect under fault conditions, safeguarding your equipment and personnel. * **Cost-Effective Solution:** Reduces overall system cost through simplified installation and elimination of additional components. Industries that benefit from the reliable surge protection offered by Mersen's Surge-Trap® devices include manufacturing, food and beverage processing, water treatment, data centers, telecommunications, and any sector where continuous power and equipment integrity are essential. By investing in Mersen's advanced surge protection, you are safeguarding your operational continuity, protecting valuable assets, and ensuring compliance with industry best practices for electrical system reliability. Trust Mersen, a global leader in electrical protection and power management, to provide the robust and dependable surge protection your facility demands.
  • Mersen Surge-Trap® Type 1 SPD, SKU STT4X2083PYG
  • Designed for 120/208 Volt, 3-Phase Wye systems
  • UL 1449 Third Edition Approved for reliable surge protection
  • NEMA 4X enclosure rating for harsh environmental conditions
  • Features patented TPMOV® technology for integrated overcurrent protection and fail-safe operation

Specifications

Application
AC distribution Power supplies Industrial Commercial Telecommunications Residential IT / Data centers
Brand Name
Mersen
Connection
Pre-wired With 16 (0.4m) 12 AWG Conductors
Mounting
Panel / Screw
NEMA Rating
4X
Poles
3P Wye
Series
Surge-Trap Type 1 SPD
Short Circuit Rating
200 kA
Short-Circuit Rating
200 kA
Special Features
Compact design Easy to mount No additional overcurrent protection devices required 200kA Short circuit current rating (SCCR) UL 1449 Third Edition Type 1 Listed Nominal discharge current (In) of 20KA (10KA on select models) For indoor, NEMA 2 applications For outdoor, NEMA 4X applications Status LEDs Wire markers 2 year warranty
Standard
UL 1449 Third Edition Approved, File No E210793 Type 1 Listed for United States Type 2 Listed for Canada RoHS compliant ANSI/IEEE C62.41
Sub Brand
Surge-Trap®
Type
Surge-Trap Type 1 & 2
Type Of Indicators
LED
Voltage Rating
120 VAC
Package Dimensions (L x W x H)
5.71 IN x 3.6 IN x 2.38 IN
Package Dimensions (L x W x H)
14.5034 cm x 9.144 cm x 6.0452 cm
Package Weight (Imperial)
1.935 L
Package Weight (Metric)
0.878 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

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6U PERF PANEL

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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

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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

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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.