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MERSEN FUSE 250V 5HT 3,15A 5.20 MI5HT25V3,15
Mersen B085377 5 x 20 mm time delay ceramic cartridge fuse rated at 3.15 A and 250 V AC for reliable industrial and electronic circuit protection.
Why Choose the Mersen B085377 5 x 20 mm Time Delay Ceramic Fuse?
The Mersen B085377 is a high quality 5 x 20 mm time delay ceramic cartridge fuse designed to provide dependable overcurrent protection for electrical and electronic equipment. Manufactured as part of the trusted Mersen IEC Miniature Fuse range, it is ideal for applications where temporary inrush currents occur during start-up while maintaining reliable protection against overloads and short circuits.
Its time delay (slow blow) characteristic allows brief current surges to pass without nuisance operation, making it particularly suitable for transformers, power supplies, motors and industrial control equipment. The robust ceramic body delivers improved mechanical strength and enhanced fault interruption performance compared with standard glass fuses.
Rated at 3.15 A with a 250 V AC operating voltage, the B085377 complies with IEC miniature fuse standards and is suitable for protecting a wide range of commercial, industrial and OEM electrical equipment requiring dependable circuit protection.
Key Advantages
- Reliable time delay ceramic cartridge fuse for industrial and electronic equipment.
- 3.15 A current rating suitable for a wide variety of circuits.
- 250 V AC voltage rating for standard equipment protection.
- Slow blow characteristic prevents nuisance operation from inrush currents.
- Ceramic construction offers high breaking performance and durability.
- Compact 5 x 20 mm size fits standard fuse holders.
Key Features
- Mersen IEC Miniature Fuse series.
- 3.15 A rated current.
- 250 V AC rated voltage.
- 5 x 20 mm miniature cartridge fuse.
- Time delay (slow blow) operating characteristic.
- Ceramic body construction.
- Breaking capacity up to 1500 A.
- RoHS compliant.
Reliable Circuit Protection for Electrical Equipment
Time delay fuses are specifically designed to tolerate temporary inrush currents generated when motors, transformers and power supplies are energised. This allows equipment to start normally while still providing effective protection against sustained overloads and fault currents.
The Mersen B085377 combines a durable ceramic body with dependable slow blow performance, making it an excellent choice for industrial machinery, commercial equipment and OEM electrical assemblies requiring reliable overcurrent protection.
Typical Applications
- Industrial control panels.
- Power supplies and transformers.
- Motor control circuits.
- Electronic equipment.
- OEM machinery.
- Instrumentation and automation systems.
Technical Specifications
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| Current | 3.15 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | IEC Miniature Fuses | |
| Model | B085377 | |
| Product type | Time delay ceramic cartridge fuse | |
| Current rating | 3.15 A | |
| Rated voltage | 250 V AC | |
| Fuse size | 5 x 20 mm | |
| Fuse characteristic | Time delay (slow blow) | |
| Body material | Ceramic | |
| Breaking capacity | 1500 A | |
| Standards | IEC miniature fuse, RoHS compliant | |
| Overall length | 20 mm | |
| Diameter | 5 mm |
Frequently Asked Questions
What is the Mersen B085377 used for?
It is used to protect electrical and electronic circuits against overloads and short circuits whilst allowing temporary inrush currents during equipment start-up.
What is the current rating of this fuse?
The Mersen B085377 has a 3.15 A current rating.
Is this a fast acting fuse?
No. It is a time delay (slow blow) fuse designed to withstand temporary inrush currents.
What size is the fuse?
The fuse has a standard 5 x 20 mm miniature cartridge format.
What applications is this fuse suitable for?
It is commonly used in industrial controls, power supplies, transformers, automation equipment and other electrical systems requiring reliable overcurrent protection.
Trusted for Industrial Circuit Protection
Mersen miniature ceramic fuses are trusted worldwide by panel builders, OEM manufacturers and maintenance engineers for providing dependable overcurrent protection in demanding industrial and commercial applications.
