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MERSEN FUSE 250V 5SF 20 A 5X20 Y233448
Mersen Y233448 MI5SF25V20 fast-acting glass miniature cartridge fuse rated at 20 A and 250 V AC, supplied in a standard 5 x 20 mm format for electrical circuit protection.
Why Choose the Mersen Y233448 MI5SF25V20 Miniature Fuse?
The Mersen Y233448 MI5SF25V20 is a compact fast-acting miniature cartridge fuse designed to protect electrical distribution circuits, industrial control equipment and electronic assemblies against excessive current. Part of the Mersen 5SF miniature fuse range, it offers rapid fault interruption for applications where prompt protection is required.
This fuse features a standard 5 × 20 mm glass cartridge construction, making it suitable for installation in compatible miniature fuse holders and clips. Its transparent glass body also allows maintenance engineers to perform a visual inspection of the fuse element when investigating circuit faults.
With a rated current of 20 A and a rated voltage of 250 V AC, the Y233448 is suitable for electrical equipment, power supplies, control panels and industrial machinery requiring a compact, quick-acting fuse solution.
Key Advantages
- Fast-acting operation provides rapid protection against excessive current.
- 20 A current rating for higher-current miniature fuse applications.
- 250 V AC voltage rating for low-voltage electrical equipment.
- Standard 5 × 20 mm cartridge dimensions.
- Glass body allows convenient visual inspection of the fuse element.
- Suitable for industrial, commercial and OEM electrical equipment.
Key Features
- Mersen MI5SF25V20 miniature cartridge fuse.
- 20 A rated current.
- 250 V AC rated voltage.
- Fast-acting fuse characteristic.
- Low-breaking-capacity fuse construction.
- Standard 5 × 20 mm miniature format.
- Glass cartridge body with metal end caps.
- Designed for electrical distribution and equipment protection.
Fast-Acting Protection for Electrical Equipment
Fast-acting cartridge fuses are designed to interrupt excessive current promptly without the intentional delay provided by time-delay fuse types. This makes them suitable for circuits containing components that require rapid protection against overloads and short circuits.
The Mersen Y233448 combines a high 20 A current rating with compact 5 × 20 mm dimensions. Before installation, the fuse rating, voltage, operating characteristic and breaking capacity should always be checked against the equipment manufacturer's requirements.
Typical Applications
- Industrial control panels.
- Electrical distribution circuits.
- Power supplies and conversion equipment.
- Industrial machinery and automation equipment.
- Electronic and electromechanical assemblies.
- OEM equipment requiring 5 × 20 mm fuse protection.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Voltage | 250 V | |
| Device Type | Fuse link | |
| Fuse Type | Miniature | |
| Fuse Size | 5x20 mm | |
| Fuse Class | Fast acting | |
| Manufacturer | Mersen | |
| Series | 5SF IEC Miniature Fuses | |
| Model | MI5SF25V20 | |
| Part number | Y233448 | |
| Product type | Miniature cartridge fuse | |
| Fuse characteristic | Fast acting / quick acting | |
| Rated current | 20 A | |
| Rated voltage | 250 V AC | |
| Fuse size | 5 × 20 mm | |
| Breaking-capacity class | Low breaking capacity | |
| Body material | Glass | |
| Terminal type | Cylindrical metal end caps | |
| Mounting | Compatible fuse holder or fuse clip | |
| Fuse standard | IEC miniature fuse format |
Frequently Asked Questions
What is the Mersen Y233448 used for?
The Mersen Y233448 provides fast-acting overcurrent protection for electrical distribution circuits, industrial control equipment and compatible electronic assemblies.
What is the current rating of the Y233448?
The fuse has a rated current of 20 A.
What voltage is this fuse rated for?
The Mersen Y233448 is rated for applications up to 250 V AC.
What size is the Mersen Y233448 fuse?
It uses the standard 5 × 20 mm miniature cartridge fuse format.
Is the Y233448 a fast-acting fuse?
Yes. It has a fast-acting, or quick-acting, operating characteristic designed to interrupt excessive current promptly.
Trusted by Electrical Professionals Worldwide
Mersen miniature fuses are widely used by panel builders, maintenance engineers and OEM manufacturers to provide reliable circuit protection across industrial and commercial electrical systems.
