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MERSEN FUSE 250V 5HF 0,4 A 5.20 MI5HF25V0,4
Mersen T095559 0.4 A quick-acting 5 x 20 mm ceramic miniature fuse rated at 250 V AC with a 1,500 A breaking capacity.
Why Choose the Mersen T095559 5HF Miniature Fuse?
The Mersen T095559 is a compact and dependable quick-acting miniature cartridge fuse designed to protect electrical equipment, circuit boards and industrial power devices against damaging overcurrent conditions. Part of the Mersen 5HF IEC miniature fuse range, it provides rapid circuit interruption when excessive current is detected.
With a rated current of 0.4 A and a rated voltage of 250 V AC, the T095559 is suitable for low-current electrical and electronic circuits where sensitive components require fast and reliable protection. Its quick-acting characteristic helps limit the duration of fault currents, reducing the risk of damage to wiring, components and connected equipment.
The fuse features a standard 5 × 20 mm ceramic cartridge construction, allowing straightforward installation into compatible fuse holders and equipment terminals. Its ceramic body and 1,500 A breaking capacity provide robust performance for industrial and commercial electrical applications.
Key Advantages
- Quick-acting fuse designed for rapid overcurrent protection.
- 0.4 A rated current for sensitive low-current circuits.
- 250 V AC voltage rating for electrical and electronic equipment.
- High 1,500 A breaking capacity.
- Standard 5 × 20 mm cartridge dimensions.
- Durable ceramic body for reliable fault interruption.
Key Features
- Mersen 5HF IEC miniature fuse series.
- Quick-acting operating characteristic.
- 0.4 A rated current.
- 250 V AC rated voltage.
- 1,500 A AC breaking capacity.
- Compact 5 × 20 mm cartridge format.
- Ceramic insulating body.
- Nickel-plated brass contact caps.
Reliable Protection for Sensitive Electrical Circuits
Quick-acting miniature fuses interrupt excessive current rapidly, helping protect sensitive electrical components before damaging temperatures or fault energy can develop. They are commonly used in electronic equipment and industrial control circuits where prompt disconnection is more important than accommodating high start-up currents.
The Mersen T095559 combines a low 0.4 A current rating with a high breaking capacity and durable ceramic construction. This makes it suitable for protecting circuit boards, measuring equipment, industrial controls and other devices requiring compact and dependable overcurrent protection.
Typical Applications
- Electrical and electronic equipment.
- Industrial power devices.
- Printed circuit boards.
- Control and instrumentation circuits.
- Power supplies and test equipment.
- OEM machinery and automation equipment.
Technical Specifications
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| Current | 0.4 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | 5HF IEC Miniature Fuses | |
| Model | T095559 | |
| Catalogue number | MI5HF25V0.4 | |
| Product type | Miniature cartridge fuse | |
| Rated current | 0.4 A | |
| Rated voltage | 250 V AC | |
| Speed / characteristic | Quick acting | |
| Fuse size | 5 × 20 mm | |
| Breaking capacity | 1,500 A AC | |
| Pre-arcing I²t | 0.25 A²s | |
| Power loss at rated current | 0.88 W | |
| Maximum voltage drop | 1.13 V | |
| Body material | Ceramic | |
| Contact cap material | Nickel-plated brass | |
| Construction | Without extinguishing agent | |
| Standard | IEC 60127-2 Sheet 1 |
Frequently Asked Questions
What is the Mersen T095559 used for?
The T095559 provides quick-acting overcurrent protection for electrical equipment, circuit boards and industrial power devices.
What is the current rating of this fuse?
The Mersen T095559 has a rated current of 0.4 A.
What voltage is the T095559 rated for?
This miniature fuse is rated for operation at up to 250 V AC.
Is the Mersen T095559 fast acting or time delay?
The T095559 is a quick-acting fuse designed to interrupt excessive current rapidly.
What size is the Mersen T095559 fuse?
It uses the standard 5 × 20 mm miniature cartridge fuse format.
Trusted by Electrical Professionals Worldwide
Mersen miniature fuses are widely used by equipment manufacturers, panel builders and maintenance engineers to provide reliable protection for industrial and electronic circuits.
