Mersen STT4X240SPG Mersen's Surge-Trap® Type 1 SPD is a fail-safe and economical solution for applications…
Alternate Item Number: 782001445065
UPC: 782001445065
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Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Mersen Surge-Trap® Type 1 SPD, SKU STT4X240SPG
- 120/240 Volts split phase system type
- NEMA 4X enclosure for indoor and outdoor applications
- UL 1449 Third Edition Type 1 listed
- Features Mersen's patented TPMOV® technology for 'no-fuse' 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 | Type 4X |
Poles | 4P+G |
Series | STZ Series |
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 type of enclosure does the STT4X have?
The STT4X has a NEMA 4X Polycarbonate enclosure.
What is the operating temperature range for this SPD?
The operating and storage temperature range for this SPD is -40°C to +85°C.
What is the warranty period for the Surge-Trap Type 1 SPD?
The Surge-Trap Type 1 SPD offers a two-year warranty.
What UL listing does this SPD meet?
The Surge-Trap Type 1 SPD meets requirements for UL 1449 Third Edition, Type 1 listed.
Does the STT4X require additional overcurrent protection?
No, the STT4X features TPMOV® technology and does not require additional overcurrent protection devices.
How can I tell if the SPD has reached its end of life?
The SPD has visual end-of-life indicators: GREEN means OK, and RED means REPLACE.
What is the SCCR rating for the Surge-Trap Type 1 SPD?
The Surge-Trap Type 1 SPD has a Short Circuit Current Rating (SCCR) of 200kA.
What is the maximum discharge current for the STT4X240SPG?
The maximum discharge current for the STT4X240SPG is 50kA per phase.
What wiring size is used for the integral leads?
The integral leads are pre-wired with #12 AWG conductors, measuring 16 inches (0.4m).
What is the response time of the Surge-Trap Type 1 SPD?
The response time of the Surge-Trap Type 1 SPD is less than 25 ns.
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.