Why Choose the Mersen H087499 Miniature Fuse?
The Mersen H087499 is a premium 5 × 20 mm time-delay miniature fuse designed to provide dependable overcurrent protection for electrical and electronic equipment operating with temporary inrush currents. As part of the trusted Mersen 5SU IEC miniature fuse series, it offers reliable circuit protection while preventing unnecessary fuse operation during normal equipment start-up.
Manufactured to IEC standards, this ceramic cartridge fuse features a slow-blow characteristic that allows short-duration current surges to pass while still providing effective protection against sustained overloads and short circuits. It is widely used in industrial automation, control panels, instrumentation, transformers and power supplies.
With a 1.6 A current rating, a 250 V AC voltage rating and a standard 5 × 20 mm format, the Mersen H087499 is an excellent choice for protecting circuits where controlled inrush current tolerance is essential.
Key Advantages
- Time-delay (slow-blow) characteristic reduces nuisance fuse operation.
- 1.6 A current rating for industrial and commercial applications.
- 250 V AC voltage rating suitable for IEC electrical systems.
- Compact 5 × 20 mm miniature cartridge fuse.
- Provides dependable protection against overloads and short circuits.
- Manufactured by Mersen for long-term reliability.
Key Features
- Mersen 5SU IEC miniature fuse series.
- Time-delay (slow-blow) operating characteristic.
- 1.6 A rated current.
- 250 V AC rated voltage.
- 5 × 20 mm ceramic cartridge construction.
- Designed for industrial and electronic equipment.
- Suitable for circuits with temporary inrush currents.
- Manufactured to IEC miniature fuse standards.
Reliable Protection for Electrical Equipment
Time-delay miniature fuses are designed to withstand the temporary current surges commonly experienced during equipment start-up while still providing reliable protection against sustained overloads and fault currents. This helps improve equipment availability by reducing unnecessary fuse replacement.
The Mersen 5SU series is widely used by panel builders, OEMs and maintenance engineers for protecting transformers, power supplies, instrumentation and industrial control equipment requiring dependable slow-blow circuit protection.
Typical Applications
- Industrial control panels.
- Power supplies.
- Control transformers.
- Instrumentation systems.
- Automation equipment.
- Electronic equipment with start-up inrush currents.
