Mersen DCT4-2 - Fuse DCT - Midget - Fast-Acting 750VAC 1000VDC 4A Ferrule Amp-Trap®
Mersen

DCT4-2

Alternate Item Number: DCT4-2

UPC: 782001410087


Documents & Media
Technical DrawingLine Drawing

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Mersen DCT4-2 is a fast-acting midget fuse designed for specialized applications requiring high DC voltage protection. With a compact 10x38mm (13/32" x 1-1/2") ferrule mount design, this fuse is internationally accepted and offers versatility for DC traction equipment, multi-meters, and photovoltaic systems. It boasts impressive ratings of 750VAC and 1000VDC, with a high interrupting rating of 100kA AC and 50kA DC. The DCT4-2 features a low minimum breaking capacity (MBC) of 1.3 x In for DC applications (1-7A range). Its fast-acting nature ensures rapid response to overcurrents, protecting sensitive components. This fuse is UL Recognized (File E60314) and can be used with Mersen's UltraSafe™ fuse holders, such as the USM series, for enhanced safety and convenience. The DCT4-2 is an ideal choice for international applications where DC voltage requirements exceed 600VDC, providing reliable protection in a compact form factor. Manufacturer: Mersen, SKU: DCT4-2.
  • Fast-acting midget fuse for specialized DC applications
  • Compact 10x38mm (13/32" x 1-1/2") ferrule mount, internationally accepted
  • Rated 750VAC / 1000VDC with 100kA AC / 50kA DC interrupting rating
  • Low minimum breaking capacity (MBC) of 1.3 x In for DC (1-7A range)
  • UL Recognized (File E60314), compatible with Mersen UltraSafe™ USM series fuse holders

Specifications

AC Voltage Rating
750 V
Amperage Rating
4 A
Application
DC traction equipment Multi-meters Photovoltaic systems Semiconductor protection
Body Material
GMG
Brand Name
Mersen
Class
Midget
Connection
Ferrule
Connection Material
Tin-Plated Copper
DC Voltage Rating
1000 V
Fuse Class
Midget
Interrupt Rating
100 kA
Mounting
Clip
Response Time
Fast-Acting
Size
1.5 x 0.41 in
Size
38.1 x 10.312 mm
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
750 VAC
Package Dimensions (L x W x H)
1.5 in x 0.41 in x 0.41 in
Package Dimensions (L x W x H)
38.1 mm x 10.312 mm x 10.312 mm
Package Weight (Imperial)
0.016 lb
Package Weight (Metric)
0.007 kg
Fuse DCT - Midget - Fast-Acting 750VAC 1000VDC 8A Ferrule Amp-Trap®

DCT8-2

Fuse DCT - Midget - Fast-Acting 750VAC 1000VDC 8A Ferrule Amp-Trap®
Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 4A Ferrule Amp-Trap®

ATM4

Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 4A Ferrule Amp-Trap®
Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 0.75A Ferrule Amp-Trap®

ATM3/4

Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 0.75A Ferrule Amp-Trap®
Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 1A Ferrule Amp-Trap®

ATM1

Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 1A Ferrule Amp-Trap®
Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 10A Ferrule Amp-Trap®

ATM10

Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 10A Ferrule Amp-Trap®

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.