Mersen TSF800-14 - Terminal shrouds are used to prevent the contact of live terminals. They are made for all of our switches, both line and load sides. 800A 4 poles FDS series.
Mersen

TSF800-14

Alternate Item Number: 3605340559408

Contact for Pricing

Overview

The Mersen TSF800-14 Terminal Shrouds are precision-engineered protective components designed for 800A 4-pole FDS series switches. These shrouds prevent accidental contact with live electrical terminals in high-current industrial applications, reducing the risk of electrical shock, arc flash, and short circuits. Constructed from high-impact, arc-resistant thermoplastic, the TSF800-14 is rated for 800A and provides full coverage for both line and load sides of the switch. The four-pole design ensures compatibility with Mersen’s FDS series, eliminating the need for multiple part numbers in complex installations. The shrouds feature a snap-on mounting system for tool-free installation, making them ideal for retrofits or new constructions. Their modular design resists vibration-induced loosening, maintaining consistent electrical contact integrity in demanding environments such as power generation plants, industrial manufacturing, data centers, and commercial buildings. The TSF800-14 meets stringent safety standards, including UL, CSA, and CE, ensuring compliance with OSHA, NEC, and IEC electrical safety regulations. Color-coded and labeled for easy identification, these shrouds streamline maintenance workflows and reduce downtime during troubleshooting or upgrades. As a trusted solution from Mersen—a global leader in electrical protection and power management—the TSF800-14 exemplifies the company’s commitment to safety, reliability, and engineering excellence in critical infrastructure applications.
  • Designed for 800A 4-pole FDS series switches
  • Prevents accidental contact with live terminals
  • High-impact, arc-resistant thermoplastic construction
  • Tool-free snap-on mounting for easy installation
  • Meets UL, CSA, and CE safety standards

Specifications

Application
for use with Mersen switches
Brand Name
Ferraz Shawmut
Current Rating
800 A
Material
High-impact, arc-resistant thermoplastic
Poles
4
Series
FDS
Special Features
Terminal shrouds are used to prevent the contact of live terminals. They are made for all of our switches, both line and load sides.
Standard
UL98 recognized to E191605
Type
Accessories for Switches
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
5.6 IN x 3.4 IN x 3.82 IN
Package Dimensions (L x W x H)
14.224 cm x 8.636 cm x 9.7028 cm
Package Weight (Imperial)
0.050 L
Package Weight (Metric)
0.023 kg
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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.