Why Choose the Mersen W095561 5HF Fast-Acting Miniature Fuse?
The Mersen W095561, catalogue reference MI5HF25V0.63, is a compact 5 × 20 mm fast-acting miniature fuse designed to protect electrical equipment, industrial power devices and printed circuit boards against overcurrent and short-circuit faults. Its quick-acting characteristic provides rapid interruption when excessive current is detected.
As part of the Mersen 5HF IEC miniature fuse series, the W095561 combines a ceramic body with a high breaking capacity for dependable protection in demanding electrical and electronic applications. The fuse is particularly suitable for circuits where sensitive components require a prompt response to abnormal current conditions.
With a rated current of 0.63 A, a rated voltage of 250 V AC and an AC breaking capacity of 1,500 A, the W095561 provides reliable protection in a standard cylindrical format. Its nickel-plated brass contact caps support secure electrical contact when installed in a compatible 5 × 20 mm fuse holder.
Key Advantages
- Compact 5 × 20 mm miniature fuse for electrical and electronic equipment.
- Fast-acting characteristic provides rapid protection against excessive current.
- 0.63 A rated current for low-current control and electronic circuits.
- 250 V AC voltage rating suitable for numerous industrial applications.
- 1,500 A AC breaking capacity for dependable fault interruption.
- Ceramic body provides robust insulation and controlled fuse operation.
- Standard cylindrical format simplifies installation and replacement.
Key Features
- Mersen 5HF IEC miniature fuse series.
- MI5HF25V0.63 catalogue reference.
- 5 × 20 mm cylindrical fuse dimensions.
- 0.63 A nominal current rating.
- 250 V AC rated voltage.
- Fast-acting fuse characteristic.
- 1,500 A AC breaking capacity.
- 0.11 A²s pre-arcing I²t value.
- Ceramic insulating body with extinguishing agent.
- Nickel-plated brass contact caps.
- Manufactured in accordance with IEC 60127-2 Sheet 1.
Rapid Protection for Sensitive Electrical Circuits
Fast-acting fuses respond quickly when current exceeds the permitted level, helping to minimise thermal and electrical stress on conductors and connected components. They are commonly selected for circuits that do not experience substantial start-up currents and require rapid disconnection during overload or short-circuit conditions.
The Mersen W095561 combines a high breaking capacity with a compact 5 × 20 mm ceramic construction. When correctly coordinated with the circuit and installed in a suitably rated fuse holder, it provides replaceable protection for electrical equipment, control systems and circuit boards.
Typical Applications
- Industrial control panels and automation equipment.
- Printed circuit boards and electronic assemblies.
- Power supplies and electrical control circuits.
- Instrumentation and measurement equipment.
- Industrial power devices.
- Machinery control and auxiliary circuits.
- OEM electrical and electronic equipment.
