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MERSEN FUSE 250V 5SF 10A 5.20 MI5SF25V10
Mersen X090525 MI5SF25V10/100 fast-acting 5 x 20 mm miniature glass fuse rated at 10 A and 250 V AC for industrial and electrical circuit protection.
Why Choose the Mersen X090525 5SF Fast-Acting Miniature Fuse?
The Mersen X090525, catalogue reference MI5SF25V10/100, is a high-performance 5 × 20 mm fast-acting miniature glass fuse designed to provide reliable overcurrent protection for industrial equipment, electrical distribution circuits and electronic devices. Its rapid operating characteristic quickly interrupts fault currents, helping to minimise damage to sensitive electrical components and wiring.
As part of the Mersen 5SF IEC Miniature Fuse series, the X090525 is manufactured for dependable protection in industrial and commercial applications where fast fault clearance is essential. The transparent glass body allows simple visual inspection of the fuse element, while the standard 5 × 20 mm format enables easy replacement in compatible fuse holders.
With a rated current of 10 A and a rated voltage of 250 V AC, the X090525 provides dependable protection for electrical equipment operating on low-voltage AC systems. Its compact construction makes it suitable for OEM equipment, industrial control panels and general electrical installations.
Key Advantages
- Compact 5 × 20 mm miniature cartridge fuse.
- Fast-acting characteristic provides rapid overcurrent protection.
- 10 A rated current for industrial and electrical equipment.
- 250 V AC rated voltage.
- Transparent glass body allows quick visual inspection.
- Standard dimensions enable simple replacement.
- Suitable for electrical distribution and industrial applications.
Key Features
- Mersen 5SF IEC Miniature Fuse series.
- MI5SF25V10/100 catalogue reference.
- 5 × 20 mm cylindrical glass fuse.
- 10 A nominal current rating.
- 250 V AC rated voltage.
- Fast-acting operating characteristic.
- Glass body construction.
- Nickel-plated brass contact caps.
- Low breaking capacity design.
- Manufactured in accordance with IEC 60127-2 Sheet 2.
Rapid Protection for Electrical Equipment
Fast-acting miniature fuses are designed to disconnect electrical circuits quickly when excessive current occurs. This rapid response helps reduce thermal stress on conductors and connected equipment, making them ideal for circuits that do not experience prolonged inrush currents.
The Mersen X090525 combines reliable electrical performance with an industry-standard 5 × 20 mm format, making it suitable for industrial control equipment, power supplies, instrumentation and OEM electrical assemblies where dependable replaceable protection is required.
Typical Applications
- Industrial control panels.
- Electrical distribution circuits.
- Power supplies.
- Electronic equipment.
- Instrumentation and control systems.
- OEM machinery.
- Building services equipment.
- General industrial electrical installations.
Technical Specifications
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| Current | 10 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | 5SF IEC Miniature Fuses | |
| Item number | X090525 | |
| Catalogue number | MI5SF25V10/100 | |
| Product type | Fast-acting miniature glass fuse | |
| Fuse size | 5 × 20 mm | |
| Rated current | 10 A | |
| Rated voltage | 250 V AC | |
| Operating characteristic | Fast-acting | |
| Breaking capacity | 100 A | |
| Pre-arcing I²t | Approx. 310 A²s | |
| Power loss at rated current | Approx. 2.21 W | |
| Maximum voltage drop | Approx. 0.08 V | |
| Body material | Glass | |
| Contact cap material | Nickel-plated brass | |
| Applicable standard | IEC 60127-2 Sheet 2 | |
| EAN | 3605340091335 | |
| RoHS compliant | Yes |
Frequently Asked Questions
What is the Mersen X090525 used for?
The Mersen X090525 provides fast overcurrent protection for electrical equipment, industrial control circuits and electronic devices.
What is the current rating of the X090525?
The fuse has a nominal current rating of 10 A.
Is the X090525 fast-acting or time-delay?
The X090525 is a fast-acting miniature fuse designed to interrupt fault currents rapidly.
What fuse holder is compatible?
The fuse is designed for installation in a compatible 5 × 20 mm miniature fuse holder with suitable electrical ratings.
Can the fuse element be visually inspected?
Yes. The transparent glass body allows the internal fuse element to be visually inspected during maintenance.
Trusted Circuit Protection from Mersen
Mersen miniature fuses are trusted by electrical engineers, panel builders and equipment manufacturers worldwide for dependable overcurrent protection, consistent performance and reliable operation across industrial and commercial applications.
