SKU: DCT4-2MPN: DCT4-2
MERSEN FUSE 1000VDC/4A MIDGET FUSE DCT4-2

MERSEN FUSE 1000VDC/4A MIDGET FUSE DCT4-2

Fast-acting DCT4-2 midget fuse with 4A rating, suitable for AC up to 750V and DC up to 1000V, featuring Amp-Trap® technology and ferrule terminals for reliable circuit protection.

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Available on backorder

Sold in packs of 10

£19.60

Why Choose the Mersen DCT4-2 Fast-Acting Midget Fuse?

The Mersen DCT4-2 is a high-performance fast-acting midget fuse engineered to provide dependable overcurrent protection in demanding AC and DC electrical systems. As part of the trusted Mersen Amp-Trap® DCT series, it has been specifically developed for photovoltaic systems, semiconductor protection, multi-meters and compact auxiliary traction equipment where rapid fault interruption is essential.

Designed for high-voltage DC applications, the DCT series combines a compact 10 × 38 mm format with excellent interrupting performance, making it suitable for international installations where DC voltage requirements exceed 600 V. Its fast-acting characteristic helps minimise damage to sensitive electrical equipment by clearing fault currents rapidly.

With a 4 A current rating, 750 V AC and 1000 V DC voltage ratings, the Mersen DCT4-2 provides reliable protection for industrial control systems, renewable energy installations and specialist electrical equipment operating in demanding environments.

Key Advantages

  • High-performance fast-acting midget fuse for critical circuit protection.
  • 4 A current rating suitable for sensitive electrical equipment.
  • 750 V AC and 1000 V DC voltage ratings.
  • Designed for photovoltaic systems, semiconductor equipment and traction applications.
  • Compact 10 × 38 mm ferrule design fits standard midget fuse holders.
  • Rapid fault interruption helps minimise equipment damage and downtime.

Key Features

  • Mersen Amp-Trap® DCT series.
  • Fast-acting fuse technology.
  • 4 A current rating.
  • 750 V AC operating voltage.
  • 1000 V DC operating voltage.
  • 10 × 38 mm cylindrical midget fuse.
  • Ferrule terminal construction.
  • Compatible with Mersen UltraSafe™ USM fuse holders and other standard 10 × 38 mm fuse holders.

Technical Specifications

  • Manufacturer: Mersen
  • Series: Amp-Trap® DCT
  • Model: DCT4-2
  • Product type: Fast-acting midget fuse
  • Current rating: 4 A
  • Rated AC voltage: 750 V AC
  • Rated DC voltage: 1000 V DC
  • Frequency: 50 / 60 Hz
  • Fuse size: 10 × 38 mm
  • Terminal type: Ferrule
  • Interrupt rating: 100 kA AC / 50 kA DC
  • Fuse characteristic: Fast-acting
  • Mounting: Clip-mounted fuse holder
  • Compliance: UL Recognised, CE, UKCA and RoHS compliant

Reliable Protection for High-Voltage Electrical Systems

Fast-acting fuses such as the Mersen DCT4-2 are designed to interrupt excessive fault currents before sensitive electrical components can be damaged. Their rapid response makes them ideal for semiconductor devices, photovoltaic installations and industrial control systems where dependable circuit protection is essential.

The DCT series combines high interrupting capacity with a compact international 10 × 38 mm format, providing reliable protection for demanding AC and DC applications while simplifying installation and maintenance.

Typical Applications

  • Photovoltaic (PV) systems.
  • Semiconductor protection.
  • Industrial control panels.
  • Auxiliary railway traction equipment.
  • Multi-meter protection.
  • Power distribution and automation systems.

Technical Specifications

Current 4 A
Voltage 000 V
Item number DCT4-2
Description Fuse DCT - Midget - Fast-Acting 750VAC 1000VDC 4A Ferrule Amp-Trap®
EAN/UPC Code 782001410087
Rated voltage AC UL 750 V
Rated voltage DC UL 1000 V
Frequency (Hz) 50/60 Hz
Ampere Rating 4 A
AC or DC AC/DC
Fuse Class Midget
Speed/Characteristic Fast-Acting
Mounting Clip
AC Max I.R./Breaking Capacity I1: 100 kA
Connection/Terminal Material Tin-Plated Copper
Connection/Terminal Type Ferrule
Product Diameter 10.3 mm
Product Length 38.1 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.0771 kg
Sell Pack Width 22.4 mm
Sell Pack Length 41.4 mm
Sell Pack Height 54.1 mm
Product group Low Voltage UL/CSA Fuses
Body/Insulating Material GMG
Product Weight 0.0073 kg
HS Code 85361010
Country of Manufacture Mexico

Frequently Asked Questions

What is the Mersen DCT4-2 used for?

The DCT4-2 provides fast overcurrent protection for high-voltage AC and DC electrical systems, including photovoltaic installations, semiconductor equipment and industrial control applications.

What is the current rating of this fuse?

The fuse has a 4 A current rating.

What voltage is the DCT4-2 rated for?

The DCT4-2 is rated for 750 V AC and 1000 V DC operation.

Is this a fast-acting fuse?

Yes. The DCT4-2 is a fast-acting fuse designed to interrupt fault currents rapidly and protect sensitive electrical equipment.

Which fuse holders are compatible?

The DCT4-2 fits standard 10 × 38 mm midget fuse holders, including compatible Mersen UltraSafe™ USM fuse holder series.

Trusted for Industrial Circuit Protection

Mersen Amp-Trap® DCT fast-acting fuses are trusted by engineers and OEM manufacturers worldwide to provide reliable overcurrent protection for industrial automation, renewable energy and specialist electrical systems.

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