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MERSEN FUSE 250V SU 2,5 A 5.20 MI5SU25V2,5
Mersen K087501 MI5SM25V2.5 medium time-lag 5 x 20 mm ceramic miniature fuse rated at 2.5 A and 250 V AC for industrial and electronic circuit protection.
£7.76
Why Choose the Mersen K087501 5SM Medium Time-Lag Miniature Fuse?
The Mersen K087501 is a dependable 5 × 20 mm medium time-lag miniature cartridge fuse designed to provide reliable overcurrent protection for industrial electrical equipment, electronic devices and OEM machinery. Also identified by the catalogue reference MI5SM25V2.5, it belongs to the trusted Mersen 5SM IEC miniature fuse series.
With a rated current of 2.5 A and a rated voltage of 250 V AC, the K087501 is engineered to withstand temporary inrush currents whilst providing dependable protection against sustained overloads and short circuits. Its medium time-lag characteristic helps minimise nuisance fuse operation in circuits with transformers, power supplies and inductive loads.
Manufactured with a robust 5 × 20 mm ceramic cartridge body, this fuse offers reliable performance in demanding industrial environments and is compatible with standard 5 × 20 mm miniature fuse holders.
Key Advantages
- Medium time-lag characteristic reduces nuisance fuse operation.
- Standard 5 × 20 mm miniature fuse format.
- 2.5 A current rating for industrial and electronic equipment.
- 250 V AC voltage rating.
- Ceramic body provides excellent durability and electrical insulation.
- Suitable for circuits with temporary inrush currents.
- Compatible with standard IEC 5 × 20 mm fuse holders.
Key Features
- Mersen 5SM IEC miniature fuse series.
- MI5SM25V2.5 catalogue reference.
- 2.5 A rated current.
- 250 V AC rated voltage.
- Medium time-lag operating characteristic.
- Ceramic cartridge construction.
- Standard 5 × 20 mm dimensions.
- Suitable for industrial and electronic protection applications.
- RoHS-compliant construction.
Reliable Protection for Industrial Equipment
Medium time-lag miniature fuses are designed to tolerate brief start-up currents while providing dependable protection against sustained overloads and fault conditions. This makes them particularly suitable for transformers, switched-mode power supplies, motors and other equipment with temporary inrush currents.
The Mersen 5SM range is widely specified by machine builders, panel manufacturers and maintenance engineers requiring consistent, reliable circuit protection for industrial and commercial electrical systems.
Typical Applications
- Industrial control panels.
- Power supplies.
- Electronic equipment.
- Instrumentation systems.
- Transformers and auxiliary circuits.
- OEM machinery and automation equipment.
Technical Specifications
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| Current | 2.5 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Time delay | |
| Manufacturer | Mersen | |
| Series | 5SM IEC Miniature Fuses | |
| Model | K087501 | |
| Catalogue number | MI5SM25V2.5 | |
| Product type | Medium time-lag miniature cartridge fuse | |
| Fuse size | 5 × 20 mm | |
| Rated current | 2.5 A | |
| Rated voltage | 250 V AC | |
| Operating characteristic | Medium time-lag | |
| Body material | Ceramic | |
| Mounting method | Clip mounting | |
| Frequency | 50 / 60 Hz | |
| Compliance | IEC miniature fuse, RoHS compliant | |
| EAN / UPC | 3605340078466 |
Frequently Asked Questions
What is the Mersen K087501 used for?
The Mersen K087501 protects industrial electrical and electronic equipment from overloads and short circuits while allowing temporary start-up currents to pass safely.
What is the current rating of this fuse?
The K087501 has a rated current of 2.5 A.
What voltage is the fuse rated for?
This miniature fuse is designed for circuits operating up to 250 V AC.
Is the K087501 a fast-acting or time-lag fuse?
The K087501 is a medium time-lag miniature fuse, making it suitable for circuits that experience temporary inrush currents.
Which fuse holders are compatible?
The fuse is designed for correctly rated holders that accept standard 5 × 20 mm miniature cartridge fuses.
Trusted by Electrical Engineers Worldwide
Mersen miniature fuses are trusted by panel builders, OEM manufacturers and maintenance engineers worldwide for dependable overcurrent protection, consistent performance and long-term reliability.
