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Mersen STP1201PGM - Surge-Trap® Pluggable SPD provides advanced overvoltage protection. Utilizing Mersen's patented TPMOV® design, which does not require fuses, a fuse holder or additional wiring in meeting the UL 1449 Third Edition standards thus providing substantial cost savings and reduced installation times. It also features a visual indicator, easy installation, fail-safe design, mechanical coding and remote monitoring. The Surge-Trap Pluggable SPD base is designed to be mounted on 35mm DIN-rail while plugs are easily replaceable upon failure without touching the base or the hassle of rewiring. 120 Volts single phase system type .

Mersen STP1201PGM Surge-Trap® Pluggable SPD provides advanced overvoltage protection. Utilizing Mersen's…

Alternate Item Number: 782001417178

UPC: 782001417178


Documents & Media
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® Pluggable SPD, SKU STP1201PGM, offers advanced overvoltage protection for 120V single-phase systems. Featuring Mersen's patented TPMOV® technology, this device eliminates the need for fuses or additional wiring, simplifying installation and reducing costs. It meets ANSI/UL 1449 4th Edition standards as a Type 1 Component Assembly SPD, with File E210793. The STP1201PGM boasts a high Short Circuit Current Rating (SCCR) of 200kA and a Surge Current Rating (Imax) of 75kA, with a nominal discharge current (In) of 10-20kA (8x20 μs). Its response time is less than 1 nanosecond. Designed for easy 35mm DIN-rail mounting, it features a fail-safe, self-protected design with a visual indicator (Green = Functional, Red = Replace). The pluggable modules are mechanically coded for error-free replacement without touching the base or rewiring. An optional remote indicator provides status to critical control circuitry. Applications include Industrial Control Panels, water treatment, smart grid & LV Metering, and traffic/ITS applications. It is RoHS Compliant and offers an IP20 finger-safe design with a small footprint. The STP1201PGM comes with a 2-year warranty.
  • Patented TPMOV® technology eliminates need for fuses
  • 75kA Surge Capacity, 200kA SCCR
  • Easy 35mm DIN-rail mounting
  • Pluggable, mechanically coded modules for simple replacement
  • Visual indicator and remote status indicator option

Specifications

Application
AC/DC distribution Power supplies Industrial automation Telecommunications Motor controls and starter systems Programmable logic controller (PLC) applications Power transfer equipment HVAC applications AC drives UPS systems Security systems IT / Data centers Medical equipment
Brand Name
Mersen
Connection
Box
Connection Type
DIN-rail
Mounting
DIN-rail
Mounting Type
35mm DIN-rail
Poles
1P
Series
Surge-Trap Pluggable
Short Circuit Rating
200 kA
Short-Circuit Rating
200 kA
Special Features
Easy installation or retrofit DIN-rail mountable Fail-safe /self-protected design Remote indicator (optional) Visual indicator IP20 finger-safe design 2 year warranty No additional overcurrent protection devices needed Easy to replace modules
Standard
UL 1449 Third Edition Approved, File No E210793 Type 1 Component Assembly IEC 61643-1 RoHS compliant ANSI/IEEE C62.41 CE
Sub Brand
Surge-Trap®
Type
Surge-Trap® SPD
Type of Indicators
Microswitch
Voltage Rating
120 VAC
Package Dimensions (L x W x H)
3.58 IN x 0.7 IN x 2.7 IN
Package Dimensions (L x W x H)
9.0932 cm x 17.78 mm x 6.858 cm
Package Weight (Imperial)
0.340 L
Package Weight (Metric)
0.154 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 nominal voltage for the STP1201PGM?

The nominal voltage for the STP1201PGM is 120 VAC.

What is the maximum continuous operating voltage for STP1201PGM?

The maximum continuous operating voltage (MCOV) for the STP1201PGM is 180 VAC.

What is the voltage protection rating for STP1201PGM?

The voltage protection rating (VPR) for the STP1201PGM is 600V for L-N and L-G.

What is the discharge current rating (In) for STP1201PGM?

The nominal discharge current rating (In) for the STP1201PGM is 20kA.

What is the short-circuit current rating (SCCR) for STP1201PGM?

The short-circuit current rating (SCCR) for the STP1201PGM is 200kA.

What type of mounting does the Surge-Trap Pluggable SPD use?

The Surge-Trap Pluggable SPD is DIN-rail mountable.

What is the degree of protection for this device?

The degree of protection for the Surge-Trap Pluggable SPD is IP20.

What is the operating temperature range for the Surge-Trap SPD?

The operating and storage temperature range for the Surge-Trap SPD is -40ºC to +85ºC.

Does the Surge-Trap SPD require additional overcurrent protection?

No, the Surge-Trap Pluggable SPD has a high short circuit rating and a thermally protected MOV, eliminating the need for additional overcurrent protection devices.

What is the warranty period for the Surge-Trap Pluggable SPD?

The Surge-Trap Pluggable SPD comes with a 2-year warranty.

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.