Why Choose the Mersen Y079003 Fast-Acting Miniature Fuse?
The Mersen Y079003 is a compact and reliable fast-acting miniature cartridge fuse designed to protect electrical and electronic equipment against excessive current and short-circuit faults. Also identified by catalogue number MI5F25V6.3P, it has a rated current of 6.3 A and a rated voltage of 250 V AC.
Manufactured in a 5 × 25 mm ceramic cartridge format, the Y079003 provides rapid interruption when abnormal current conditions occur. Its fast operating characteristic helps reduce the duration of electrical faults, protecting wiring, power supplies, control circuits and connected equipment from potential damage.
The fuse incorporates an integrated striker indicator, which provides a mechanical indication when the fuse has operated. This feature supports faster fault identification and can simplify maintenance within industrial control equipment, electrical panels and OEM assemblies.
Key Advantages
- Fast-acting protection against overcurrents and short circuits.
- 6.3 A rated current for industrial and electronic circuits.
- 250 V AC rated voltage.
- Compact 5 × 25 mm ceramic cartridge.
- Integrated striker provides clear fuse-operation indication.
- Suitable for industrial control, power supply and OEM applications.
Key Features
- Mersen miniature fuse range.
- Item number: Y079003.
- Catalogue number: MI5F25V6.3P.
- 6.3 A rated current.
- 250 V AC rated voltage.
- Fast-acting F characteristic.
- 5 × 25 mm cartridge format.
- Ceramic insulating body.
- Integrated striker indication.
- Designed for installation in compatible fuse holders.
Reliable Fast-Acting Protection for Electrical Equipment
Fast-acting fuses respond quickly when electrical current rises above acceptable levels. By interrupting the circuit rapidly, they help limit thermal stress on conductors and components while reducing the risk of equipment damage during fault conditions.
The Mersen Y079003 combines a compact ceramic cartridge with a striker indication mechanism, making it suitable for systems where dependable circuit protection and straightforward fault identification are required. Fuse replacement should always use the same approved current, voltage, size and operating characteristic.
Typical Applications
- Industrial control equipment.
- Power supplies and converters.
- Electrical control panels.
- Automation and instrumentation systems.
- Electronic equipment protection.
- OEM electrical assemblies.
