MERSEN FUSE 250V 5SF 0,5A 5.20 MI5SF25V0,5

Why Choose the Mersen H090512 Miniature Fuse?

The Mersen H090512 is a dependable 5 × 20 mm quick-acting miniature fuse designed to provide rapid overcurrent protection for electrical distribution circuits, electronic equipment and industrial applications. Part of the established Mersen 5SF IEC miniature fuse series, it helps protect sensitive components by interrupting excessive current quickly.

The fast-acting operating characteristic makes the H090512 particularly suitable for circuits that require prompt fault interruption and do not experience significant normal start-up currents. Its compact glass cartridge construction allows straightforward installation in compatible fuse holders used throughout control panels, power supplies and electronic assemblies.

With a rated current of 0.5 A, a voltage rating of 250 V AC and standard 5 × 20 mm dimensions, the Mersen H090512 provides a compact and reliable circuit protection solution for industrial, commercial and OEM equipment.

Key Advantages

• Quick-acting operation provides rapid protection against excessive current.
• 0.5 A current rating for low-current electrical circuits.
• 250 V AC voltage rating for industrial and electronic equipment.
• Compact 5 × 20 mm IEC miniature fuse format.
• Glass cartridge body allows convenient visual inspection.
• Manufactured by Mersen for consistent and reliable performance.

Key Features

• Mersen 5SF IEC miniature fuse series.
• 0.5 A rated current.
• 250 V AC rated voltage.
• Quick-acting fuse characteristic.
• Standard 5 × 20 mm cartridge dimensions.
• Glass body construction.
• Suitable for compatible miniature fuse holders.
• Designed for electrical distribution and industrial applications.

Rapid Protection for Sensitive Electrical Circuits

Quick-acting miniature fuses respond rapidly when current exceeds the fuse rating. This helps limit the electrical energy passed to downstream components during an overload or short circuit, reducing the risk of damage to wiring, circuit boards and control equipment.

The Mersen 5SF range is designed for the protection of electrical distribution circuits and other industrial applications. Its compact dimensions and fast operating characteristic make the H090512 particularly suitable for equipment requiring dependable 0.5 A protection within a standard miniature cartridge format.

Typical Applications

• Industrial control panels.
• Electronic control equipment.
• Power supplies and auxiliary circuits.
• Instrumentation and measurement systems.
• Automation and process control equipment.
• OEM machinery and electrical assemblies.