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MERSEN FUSE 250V 5HT 5A 5.20 MI5HT25V5
Mersen D085379 5 A time delay ceramic cartridge fuse, 5 × 20 mm, rated at 250 V AC with a 1,500 A breaking capacity for industrial circuit protection.
Why Choose the Mersen D085379 5 A Time Delay Ceramic Cartridge Fuse?
The Mersen D085379 is a premium 5 × 20 mm time delay ceramic cartridge fuse designed to provide reliable overcurrent protection for industrial equipment, electrical control panels and electronic systems. As part of the trusted Mersen 5HT IEC Miniature Fuse series, it protects against overloads and short circuits whilst allowing temporary inrush currents during equipment start-up.
Its time delay (slow blow) operating characteristic enables the fuse to withstand short-duration current surges generated by motors, transformers and switched-mode power supplies, reducing nuisance fuse operation whilst maintaining dependable protection. The ceramic body provides excellent mechanical strength and high fault interruption capability for demanding industrial environments.
With a rated current of 5 A, a 250 V AC voltage rating and a compact 5 × 20 mm format, the D085379 is ideal for industrial automation, OEM machinery, electrical distribution and commercial equipment requiring dependable circuit protection.
Key Advantages
- Reliable time delay ceramic cartridge fuse for industrial equipment.
- 5 A current rating suitable for a wide range of electrical circuits.
- 250 V AC rated voltage for IEC applications.
- Slow blow characteristic prevents nuisance operation during equipment start-up.
- Ceramic body provides excellent fault interruption performance.
- Standard 5 × 20 mm format fits compatible fuse holders.
Key Features
- Mersen 5HT IEC Miniature Fuse series.
- 5 A rated current.
- 250 V AC rated voltage.
- Time delay (slow blow) characteristic.
- 5 × 20 mm ceramic cartridge construction.
- 1,500 A breaking capacity.
- Nickel-plated brass end caps.
- RoHS compliant.
Reliable Protection for Industrial Electrical Equipment
Time delay cartridge fuses are designed to withstand temporary inrush currents without unnecessary operation whilst continuing to provide dependable protection against sustained overloads and short circuits. They are particularly suitable for equipment containing motors, transformers and inductive loads.
The Mersen D085379 combines proven circuit protection with a compact 5 × 20 mm design, making it suitable for industrial control panels, automation equipment, OEM machinery and commercial electrical installations.
Typical Applications
- Industrial control panels.
- Motor control equipment.
- Power supplies.
- Transformers.
- Automation systems.
- OEM electrical equipment.
Technical Specifications
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| Current | 5 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | 5HT IEC Miniature Fuses | |
| Model | D085379 | |
| Manufacturer reference | MI5HT25V5/100 | |
| Product type | Time delay ceramic cartridge fuse | |
| Current rating | 5 A | |
| Rated voltage | 250 V AC | |
| Fuse size | 5 × 20 mm | |
| Operating characteristic | Time delay (slow blow) | |
| Body material | Ceramic | |
| Breaking capacity | 1,500 A | |
| Pre-arcing I²t | 100.9 A²s | |
| Power dissipation | 0.84 W | |
| Maximum voltage drop | 0.07 V | |
| Standards | IEC 60127-2 Sheet 5, RoHS compliant |
Frequently Asked Questions
What is the Mersen D085379 used for?
It provides reliable overcurrent protection for industrial electrical circuits whilst allowing temporary inrush currents generated during equipment start-up.
What is the current rating of this fuse?
The Mersen D085379 has a rated current of 5 A.
Is this a fast acting fuse?
No. It is a time delay (slow blow) ceramic cartridge fuse designed for applications with temporary inrush currents.
What size is the fuse?
The fuse is manufactured in the standard 5 × 20 mm miniature cartridge format.
Where is this fuse commonly installed?
It is commonly installed in industrial control panels, power supplies, transformers, motor circuits and OEM electrical equipment.
Trusted for Industrial Circuit Protection
Mersen miniature ceramic fuses are trusted worldwide by electrical engineers, panel builders and machinery manufacturers for dependable protection of industrial electrical systems.
