Mersen STXT480S10A Surge-Trap® STXT Series 480/240V 100kA LED and Remote Audible Alarm 20kA In
Alternate Item Number: STXT480S10A
UPC: 782001504083
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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
- Type 1 SPD rated for 480/240 VAC systems with 100kA surge capacity per phase
- Integrated EMI/RFI filtering attenuates noise by up to -50dB (10kHz–100MHz)
- TPMOV® technology eliminates need for separate overcurrent protection
- LED indicators per phase for real-time status monitoring (green = functional, OUT = replace)
- Optional Form C dry contacts and audible alarm with silence button for remote monitoring
- NEMA 4X non-metallic enclosure for corrosion resistance and harsh environments
- Supports line or load side mounting for service entrances, distribution panels, and branch circuits
- Operating temperature range: -40°C to +85°C; SCCR rated at 200kA
Specifications
Application | Service entrance at low to medium risk exposure level Commercial and Industrial Distribution Panels or Control Branch Panels Any critical application that requires a high to medium level of protection |
Connection | Pre-wired |
Current Rating | 100 kA |
Frequency Rating | 50/60 HZ |
Material | Polycarbonate |
Mounting | Panel or Wall Mount |
Mounting Type | Line or Load Side Mounting |
Operating Temperature, Maximum | 185 F |
Operating Temperature, Maximum | 85 C |
Operating Temperature, Minimum | -40 F |
Operating Temperature, Minimum | -40 C |
Phase | Split Phase |
Series | Surge-Trap STXT Series |
Size | 7.4 x 7.08 x 3.68;187.96 x 179.832 x 93.472 in;mm |
Special Features | Designed with industry leading Mersen TPMOV technology Standard features include LED phase loss indication and EMI/ RFI filter Up to -50dB from 10kHz to 100MHz Optional Form C Dry Contacts and audible alarm with silence button Mounting hub and mounting feet for installation flexibility Up to 10 Modes of Protection 10-year manufacturer’s warranty |
Standard | ANSI/UL 1449 5th Edition, Type 1 SPD, File E210793 CSA C22.2, Type 1 SPD ANSI/IEEE C62.41.1, C62.41.2, C62.45 UL96A Lightning Protection RoHS Compliant |
Type | NEMA UL CSA TYPE 1 |
Type of Indicators | LED and Remote Audible Alarm |
UL SPD Type | Type 1 |
Voltage Rating | 480/240 VAC |
Package Dimensions (L x W x H) | 7.4 in x 7.08 in x 3.68 in |
Package Dimensions (L x W x H) | 187.96 mm x 179.832 mm x 93.472 mm |
Package Weight (Imperial) | 3.800 lb |
Package Weight (Metric) | 1.724 kg |
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Frequently Asked Questions
What is the surge current capacity of this SPD?
The STXT480S10A provides a surge current rating of 100 kA per phase, with a short-circuit current rating (SCCR) of 200 kA.
What is the nominal discharge current rating (In)?
The nominal discharge current rating (In) for the STXT480S10A is 20 kA, based on an 8x20 μs waveform.
What voltage ratings does the STXT480S10A support?
The device is designed for 480/240 VAC systems, with a voltage range of 120–600 VAC as part of the STXT series.
What is the operating temperature range?
The STXT480S10A operates reliably from -40°C to +85°C, suitable for harsh industrial environments.
Does this device include EMI/RFI filtering?
Yes, the STXT480S10A features standard EMI/RFI filtering to attenuate electrical noise by up to -50dB from 10kHz to 100MHz.
What enclosure rating does this device have?
The SPD is housed in a NEMA 4X non-metallic enclosure, providing corrosion resistance and protection against environmental hazards.
Can the STXT480S10A be mounted on the load side?
Yes, the device supports both line and load side mounting, offering installation flexibility for service entrances and distribution panels.
How many modes of protection does the STXT480S10A offer?
The device provides up to 10 modes of protection, including L-N, L-L, L-G, and N-G configurations.
What are the LED indicators used for?
The LED indicators per phase show the operational status: green indicates the device is functional, while 'OUT' signals the need for replacement.
Is remote monitoring available for this SPD?
Yes, optional Form C dry contacts and an audible alarm with a silence button enable remote monitoring and alerts.
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.