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MERSEN FUSE 250V 5HF 0,63 A 5.20 MI5HF25V0,63
Mersen W095561 MI5HF25V0.63 fast-acting miniature fuse with a 0.63 A current rating, 250 V AC voltage rating, 5 x 20 mm ceramic body and 1,500 A breaking capacity.
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.
Technical Specifications
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| Current | 0.63 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | 5HF | |
| Item number | W095561 | |
| Catalogue number | MI5HF25V0.63 | |
| Product type | Fast-acting miniature fuse | |
| Fuse size | 5 × 20 mm | |
| Rated current | 0.63 A | |
| Rated voltage | 250 V AC | |
| Operating characteristic | Fast-acting | |
| Breaking capacity | 1,500 A AC | |
| Pre-arcing I²t | 0.11 A²s | |
| Power loss at rated current | 1.65 W | |
| Maximum voltage drop | 1.04 V | |
| Body material | Ceramic | |
| Construction | With extinguishing agent | |
| Contact cap material | Nickel-plated brass | |
| Mounting method | Compatible fuse holder or mounting clip | |
| Applicable standard | IEC 60127-2 Sheet 1 |
Frequently Asked Questions
What is the Mersen W095561 used for?
The Mersen W095561 is used to protect electrical equipment, electronic circuits and industrial power devices against excessive current and short-circuit faults.
What is the current rating of the Mersen W095561?
The fuse has a nominal current rating of 0.63 A.
Is the W095561 a fast-acting or time-delay fuse?
The W095561 is a fast-acting fuse, designed to interrupt excessive current rapidly rather than tolerate prolonged start-up surges.
What size fuse holder is required?
The W095561 should be installed in a compatible 5 × 20 mm fuse holder with suitable current, voltage and breaking-capacity ratings.
What is the breaking capacity of the W095561?
The Mersen W095561 has an AC breaking capacity of 1,500 A at its specified rated voltage.
Trusted Circuit Protection from Mersen
Mersen miniature fuses are widely specified by electrical engineers, panel builders and equipment manufacturers for reliable protection of industrial machinery, electronic equipment and low-voltage electrical systems.
