Fast-acting fuse providing rapid protection against overloads and short circuits. Rated for 750VAC and 1000VDC at 30A with ferrule tin-plated copper terminals and compact midget size.
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Why Choose the Mersen DCT30-2 Fast-Acting Midget Fuse?
The Mersen DCT30-2 is a high-performance fast-acting midget fuse engineered to provide dependable overcurrent protection in demanding AC and DC electrical systems. Part of the trusted Mersen Amp-Trap® DCT series, it has been specifically developed for photovoltaic systems, semiconductor protection, multi-meter applications and compact auxiliary traction equipment where rapid fault interruption is essential.
Designed for high-voltage DC applications, the DCT series offers exceptional protection in a compact 10 × 38 mm format, making it suitable for standard midget fuse holders. Its fast-acting characteristic helps minimise damage to sensitive electrical equipment by clearing fault currents quickly and efficiently.
With a 30 A current rating, 750 V AC and 1000 V DC voltage rating, the Mersen DCT30-2 delivers 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.
30 A current rating suitable for industrial and renewable energy applications.
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 reduce equipment damage and minimise downtime.
Key Features
Mersen Amp-Trap® DCT series.
Fast-acting fuse technology.
30 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: DCT30-2
Product type: Fast-acting midget fuse
Current rating: 30 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 DCT30-2 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.
The DCT30-2 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 30 A current rating.
What voltage is the DCT30-2 rated for?
The DCT30-2 is rated for 750 V AC and 1000 V DC operation.
Is this a fast-acting fuse?
Yes. The DCT30-2 is a fast-acting fuse designed to interrupt fault currents rapidly and protect sensitive electrical equipment.
Which fuse holders are compatible?
The DCT30-2 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.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...