Mersen STT4X1201PG Mersen's Surge-Trap® Type 1 SPD is a fail-safe and economical solution for applications…
Alternate Item Number: 782001445058
UPC: 782001445058
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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
- UL 1449 Third Edition Type 1 SPD with 50kA surge current rating per phase/mode
- TPMOV® technology eliminates need for additional overcurrent protection
- NEMA 4X non-metallic enclosure resists corrosion, water, and dust ingress
- Operates at 120VAC, 50/60Hz with 20kA nominal discharge current (8x20μs)
- Multi-mode protection (L-N, L-G, N-G) with integrated EMI/RFI filtering
- Bright LED status indicator for operational visibility
- Field-replaceable surge protection components minimize downtime
- Operating temperature: -40°C to +85°C; humidity: 0-95% non-condensing
- 5-year manufacturer’s warranty
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 |
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) | 1.550 L |
Package Weight (Metric) | 0.703 kg |
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Frequently Asked Questions
What is the maximum discharge current for the STT4X1201PG?
The STT4X1201PG has a maximum discharge current of 50kA per phase.
What is the operating temperature range for this SPD?
The operating and storage temperature range for the Surge-Trap Type 1 SPD is -40°C to +85°C.
Does the STT4X1201PG require additional overcurrent protection?
No, the STT4X1201PG features TPMOV® technology and does not require additional overcurrent protection devices.
What is the SCCR rating for the STT4X1201PG?
The STT4X1201PG has a Short Circuit Current Rating (SCCR) of 200kA.
What is the response time of the Surge-Trap Type 1 SPD?
The response time for the Surge-Trap Type 1 SPD is less than 25 ns.
What does the status LED indicate on the STT4X1201PG?
The status LED indicates the end of life for the device; GREEN means OK, and RED means REPLACE.
What wiring size is used for the integral leads?
The integral leads are pre-wired with #12 AWG conductors, measuring 16 inches (0.4m) in length.
What NEMA enclosure type is the STT4X model?
The STT4X model is housed in a NEMA 4X Polycarbonate enclosure for outdoor applications.
What is the warranty period for the Surge-Trap Type 1 SPD?
The Surge-Trap Type 1 SPD comes with a two-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.