Mersen DCT8-H - Fuse DCT - Midget - Fast-Acting 750VAC 1000VDC 8A Double Hole Mount Amp-Trap®
Mersen

DCT8-H

Alternate Item Number: DCT8-H

UPC: 782001443221


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Overview

The Mersen DCT8-H is a specialized fast-acting midget fuse engineered for demanding DC applications requiring high voltage and a compact form factor. With robust ratings of 750VAC and 1000VDC, this 8A fuse is specifically designed for protecting photovoltaic cells, multi-meters, and auxiliary circuits within compact on-board traction equipment. Its internationally accepted 10x38mm (13/32" x 1-1/2") dimensions provide significant design versatility, making it suitable for global installations. The DCT8-H features a low minimum breaking capacity (MBC) of 2.0 x In for DC applications (8-30A) and a DC L/R rating of 1mS, ensuring reliable and effective circuit protection. It boasts a high interrupting rating of 100kA AC and 50kA DC. This fuse is UL Recognized (File E60314) and can be paired with Mersen's UltraSafe™ fuse holders, such as the USM series, for enhanced safety and ease of use. The Mersen DCT8-H (SKU: DCT8-H) is a critical component for applications demanding dependable DC circuit protection in a small footprint.
  • Fast-acting midget fuse for specialized DC applications
  • Ratings: 750VAC, 1000VDC, 8A
  • Compact 10x38mm (13/32" x 1-1/2") international standard size
  • High interrupting rating: 100kA AC, 50kA DC
  • UL Recognized (File E60314), compatible with Mersen UltraSafe™ USM series fuse holders

Specifications

AC Voltage Rating
750 V
Amperage Rating
8 A
Application
DC traction equipment Multi-meters Photovoltaic systems Semiconductor protection
Body Material
GMG
Brand Name
Mersen
Class
Midget
Connection
Double Hole Mount
Connection Material
Tin-Plated Copper
Connection Type
Double Hole Mount
Current Rating
8A
DC Voltage Rating
1000 V
Fuse Class
Midget
Interrupt Rating
100 kA
Mounting
PC Mount
Mounting Type
Double Hole Mount
Response Time
Fast-Acting
Series
DCT
Series
Amp-Trap DCT
Size
1.56 x 0.41 in
Size
39.624 x 10.312 mm
Size
Midget
Size
10X38mm
Special Features
Low minimum breaking capacity (MBC) Compact size: 10 x 38 mm (13/32" x 1-1/2") size internationally accepted Ferrule mount 1 to 30A for design versatility Can be used with UltraSafeTM fuse holders USM series 1 1/2" x 13/32" (10 mm x 38 mm) dimensions
Standard
UL Recognized Component File E60314
Sub Brand
Amp-Trap®
Type
Midget Fuses
Voltage Rating
750VAC 1000VDC
Voltage Rating
750 VAC
Voltage Rating
750VAC/1000VDC
Package Dimensions (L x W x H)
1.56 in x 0.41 in x 0.41 in
Package Dimensions (L x W x H)
39.624 mm x 10.312 mm x 10.312 mm
Package Weight (Imperial)
0.019 lb
Package Weight (Metric)
0.009 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.