Why Choose the Mersen K090514 5SF Fast-Acting Miniature Fuse?
The Mersen K090514 is a compact and reliable fast-acting miniature cartridge fuse designed to protect electrical distribution circuits, industrial controls and electronic equipment against overcurrent and short-circuit conditions. Also identified by the catalogue reference MI5SF25V0.8, it forms part of the Mersen 5SF IEC miniature fuse series.
With a rated current of 0.8 A and a rated voltage of 250 V AC, the K090514 responds quickly when excessive current occurs. Its fast-acting operating characteristic helps reduce the electrical and thermal energy passing into a fault, limiting the risk of damage to sensitive components and wiring.
The fuse has a standard 5 × 20 mm glass cartridge construction, allowing straightforward installation in compatible miniature fuse holders. Its transparent body also enables visual inspection of the fuse element during maintenance and fault-finding.
Key Advantages
- Fast-acting characteristic provides rapid overcurrent protection.
- 0.8 A current rating for low-current electrical and electronic circuits.
- 250 V AC voltage rating.
- Compact 5 × 20 mm cartridge format.
- Glass body allows visual inspection of the fuse element.
- Suitable for industrial distribution and electronic equipment protection.
- Compatible with correctly rated 5 × 20 mm miniature fuse holders.
Key Features
- Mersen 5SF IEC miniature fuse series.
- MI5SF25V0.8 catalogue reference.
- 0.8 A rated current.
- 250 V AC rated voltage.
- Fast-acting fuse characteristic.
- Standard 5 × 20 mm dimensions.
- Glass cartridge body.
- Clip-mounted installation.
- Designed for electrical distribution circuits and industrial applications.
- RoHS-compliant construction.
Rapid Protection for Electrical Equipment
Fast-acting miniature fuses are designed to interrupt excessive current quickly without an intentional operating delay. This makes them suitable for circuits where immediate protection is required and significant temporary inrush currents are not expected during normal operation.
The Mersen 5SF range provides compact and dependable protection for electrical distribution circuits and industrial equipment. When correctly selected and installed, the K090514 helps protect wiring and components against damaging overload and short-circuit currents.
Typical Applications
- Industrial control panels.
- Electrical distribution circuits.
- Electronic equipment and assemblies.
- Instrumentation and monitoring systems.
- Power supplies and control devices.
- OEM machinery and automation equipment.
