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Mersen STP208YN07 - The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU STP208YN07, is a no-fuse, failsafe surge suppressor designed for industrial control panels. It features Mersen’s TPMOV® technology, eliminating the need for additional overcurrent protection. This DIN-rail mountable SPD offers a fail-safe, self-protected design with a visual indicator and a compact footprint. A remote indicator is available to signal status to critical control circuitry. Its high short circuit current rating makes it suitable for a wide range of industrial applications.
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Mersen STP208YN07 The Mersen Surge-Trap Pluggable STP Series Surge Protective Device (SPD), SKU…

Alternate Item Number: STP208YN07

UPC: 782001477905


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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 Pluggable STP Series Surge Protective Device (SPD), SKU STP208YN07, delivers robust surge protection for industrial control panels and low-voltage applications. Engineered with Mersen’s proprietary TPMOV® technology, this no-fuse, failsafe SPD eliminates the need for additional overcurrent protection, simplifying installation and reducing component count. The STP208YN07 is designed for ANSI/UL 1449 Type 1 and Type 2 applications, offering a high short circuit current rating of 200kA and a surge capacity of 50kA, making it ideal for demanding industrial environments. Key specifications include a voltage range of 120-690VAC, nominal discharge current ratings of 10-20kA (8x20 μs), and a response time of less than 1 nanosecond per phase. The device features a compact DIN-rail mountable design with a reversible chassis for top or bottom cable entry, ensuring flexibility in panel layouts. A clear visual indicator (green = functional, red = replace) provides immediate status feedback, while an optional remote indicator with Form C dry contacts enables integration with critical control circuitry for enhanced monitoring and uptime. The STP208YN07 supports wire ranges from 4-14AWG (2.5-25mm²) for solid or stranded copper conductors, with a torque rating of 35.4 lbs-in (4.0 Nm). Its IP20 finger-safe design and UL94 V0 flammability rating ensure safety in harsh conditions. Operating and storage temperatures range from -40°C to +85°C, making it suitable for extreme environments. The device is RoHS compliant and designed for use in industrial control panels, water treatment, smart grid, LV metering, and traffic/ITS applications. With a 2-year warranty and replaceable modules featuring mechanical coding to prevent replacement errors, the STP208YN07 combines reliability, ease of maintenance, and long-term performance. Its pluggable design allows for quick replacement without rewiring, reducing downtime during maintenance or upgrades.
  • No-fuse, failsafe design eliminates need for additional overcurrent protection
  • ANSI/UL 1449 Type 1 & 2 compliant with 200kA short circuit current rating
  • TPMOV® technology for ultra-fast response (<1ns) and 50kA surge capacity
  • Visual (green/red) and optional remote (Form C dry contacts) status indicators
  • Compact DIN-rail mountable design with reversible chassis for top/bottom cable entry

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 2.76 x 2.81;106.426 x 70.104 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
UL SPD Type
Type 1 Component Assembly
Package Dimensions (L x W x H)
4.19 in x 2.76 in x 2.81 in
Package Dimensions (L x W x H)
106.426 mm x 70.104 mm x 71.374 mm
Package Weight (Imperial)
1.550 lb
Package Weight (Metric)
0.703 kg
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
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.
Symmetrical DIN rail 2m 35x15x1,5 steel z-b

50000043

Symmetrical DIN rail 2m 35x15x1,5 steel z-b
5-port Ethernet Switch

SDI-550

5-port Ethernet Switch
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.
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
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
Cable Manager, fits 19-inch open rack, Black, Steel

ECK19H

Cable Manager, fits 19-inch open rack, Black, Steel
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

What is the short circuit current rating of the STP208YN07?

The STP208YN07 has a short circuit current rating (SCCR) of 200kA, ensuring robust protection under fault conditions.

Is the STP208YN07 suitable for Type 1 and Type 2 applications?

Yes, the STP208YN07 is ANSI/UL 1449 Type 1 and Type 2 compliant, meeting stringent surge protection standards.

What voltage range does the STP208YN07 support?

The device operates across a voltage range of 120-690VAC, making it suitable for a wide range of low-voltage industrial applications.

What is the surge capacity of the STP208YN07?

The surge capacity is 50kA, providing high-level protection against transient surges.

What is the operating temperature range for the STP208YN07?

The device operates reliably in temperatures ranging from -40°C to +85°C, suitable for extreme environments.

Does the STP208YN07 require additional overcurrent protection?

No, the no-fuse, failsafe design eliminates the need for additional overcurrent protection devices.

What wire sizes are compatible with the STP208YN07?

The device supports wire ranges from 4-14AWG (2.5-25mm²) for solid or stranded copper conductors.

What is the response time of the STP208YN07?

The response time is less than 1 nanosecond per phase, ensuring rapid protection against transient surges.

How is the status of the STP208YN07 monitored?

The device features a visual indicator (green = functional, red = replace) and an optional remote indicator with Form C dry contacts for critical control circuitry.

Can the STP208YN07 be installed in any orientation?

The reversible chassis allows cable entry from the top or bottom, providing installation flexibility in control panels.

How to Install the STP208YN07 Surge Protective Device

This guide provides step-by-step instructions for installing the STP208YN07 Surge Protective Device on a DIN rail, ensuring proper electrical connections and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Confirm system voltage

    Verify that the system voltage and configuration match the specifications of the STP208YN07 Surge Protective Device.

  2. Turn off power

    Ensure all power supplying the equipment is turned off and confirm that all sources are de-energized before proceeding.

  3. Mount the SPD

    Attach the STP208YN07 to a 35mm DIN rail by hooking the line side over the rail and pushing the load side until the spring-loaded clip clicks into place.

  4. Make electrical connections

    Connect the electrical wires to the SPD, ensuring that the interconnecting wires are kept as short as possible and avoid bending them at a radius less than 100mm (4 inches).

  5. Verify connections

    Use a multimeter to check that all connections are secure and that there are no shorts or open circuits.

  6. Power on the system

    Once all connections are verified, restore power to the system and monitor for any irregularities.

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.