Mersen STP208Y07M - The Mersen STP208Y07M Surge-Trap Pluggable STP Series Surge Protective Device (SPD) is a no-fuse, failsafe surge suppressor featuring Mersen’s proprietary TPMOV® technology. This DIN-rail mountable SPD eliminates the need for additional overcurrent protection, reducing panel space and wiring complexity. It includes a visual indicator and a remote indicator for status monitoring of critical control circuitry. With a high short circuit current rating, the STP208Y07M is designed for industrial control panels requiring reliable surge protection without fuse dependency. The compact footprint and self-protected design make it a practical choice for modern industrial environments.
Mersen

STP208Y07M

Alternate Item Number: STP208Y07M

UPC: 782001477691


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Overview

The Mersen STP208Y07M Surge-Trap Pluggable SPD (SKU: STP208Y07M) is a DIN-rail mountable surge protective device designed for industrial control panels. Featuring Mersen’s proprietary TPMOV® technology, this no-fuse, failsafe SPD eliminates the need for additional overcurrent protection, reducing panel space and wiring complexity. The device includes both a visual indicator and a remote indicator for real-time status monitoring of critical control circuitry. With a high short circuit current rating, the STP208Y07M is engineered for reliability in industrial environments where surge protection is critical without fuse dependency. Its compact footprint and self-protected design make it ideal for modern control panels where space and efficiency are priorities. The pluggable design allows for quick replacement or maintenance without disrupting the entire system. This SPD is manufactured in the US and is suitable for applications requiring robust surge protection in industrial control panels, ensuring operational continuity and equipment safety.
  • No-fuse, failsafe design eliminates need for additional overcurrent protection
  • TPMOV® technology for reliable surge suppression in industrial environments
  • DIN-rail mountable with compact footprint for space efficiency
  • Visual and remote indicators for real-time status monitoring
  • High short circuit current rating for robust performance

Specifications

Application
Industrial Control Panels Water treatment Smart grid & LV Metering Traffic / ITS applications. Intended for use on a wide range of low voltage applications inside appropriate enclosures
Connection
Box
Frequency Rating
50/60 HZ
Material
PET (Polyethelene Terphthalate)
Mounting
DIN Rail
Operating Temperature, Maximum
185 F
Operating Temperature, Maximum
85 C
Operating Temperature, Minimum
-40 F
Operating Temperature, Minimum
-40 C
Phase
3-
Response Time
<25
Size
4.19 x 2.07 x 2.81;106.426 x 52.578 x 71.374 in;mm
Special Features
Easy installation or retrofit DIN-rail mountable Fail-safe, self-protected design Remote indicator Visual indicator IP20 finger-safe design Small footprint No additional overcurrent protection devices required Easy to replace modules 2-year warranty
Special Features
Designed with industry leading Mersen TPMOV technology Easy installation or retrofit Reversible chassis allows cable entry from top or bottom Replaceable modules with mechanical coding to avoid replacement errors 5-year warranty
Standard
ANSI/UL 1449 5th Edition, Type 1 Component Assembly SPD, File E210793 CSA C221331certified Type 4-1, File 80032802 ANSI/IEEE C62.41.1, C62.41.2, C62.45 RoHS Compliant
Standard
ANSI/UL 1449 5th Edition, Open Type 1 SPD Listed, File E210793 ANSI/IEEE C62.41.1, C62.41.2, C62.45 CSA C22.2 No. 269 Certified, File 162842 RoHS Compliant
Type
DIN-RAIL UL CSA TYPE 1
Type of Indicators
Microswitch
UL SPD Type
Type 1 Component Assembly
Package Dimensions (L x W x H)
4.19 in x 2.07 in x 2.81 in
Package Dimensions (L x W x H)
106.426 mm x 52.578 mm x 71.374 mm
Package Weight (Imperial)
1.150 lb
Package Weight (Metric)
0.522 kg

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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.