Why Choose the Mersen W090547 5ST Miniature Fuse?
The Mersen W090547 is a dependable time-delay glass miniature cartridge fuse developed to protect electrical distribution circuits and industrial equipment against overloads and short circuits. Part of the Mersen 5ST IEC miniature fuse series, it is specifically designed to withstand temporary inrush currents while providing reliable protection against sustained overcurrent conditions.
With a rated current of 2.5 A and a rated voltage of 250 V AC, the W090547 is ideal for protecting control circuits, transformers, power supplies, motors and automation equipment. Its time-delay characteristic reduces nuisance fuse operation during equipment start-up while maintaining dependable fault protection.
Manufactured in the industry-standard 5 × 20 mm glass cartridge format, the fuse installs easily into compatible miniature fuse holders. Its compact construction makes it suitable for OEM equipment, industrial control panels and replacement maintenance applications.
Key Advantages
- Time-delay characteristic withstands temporary inrush currents.
- 2.5 A rated current for industrial and commercial electrical circuits.
- 250 V AC rated voltage for low-voltage equipment.
- Standard 5 × 20 mm miniature cartridge format.
- Reliable protection against overloads and short circuits.
- Manufactured by trusted circuit protection specialist Mersen.
Key Features
- Mersen 5ST IEC miniature fuse series.
- Time-delay operating characteristic.
- 2.5 A rated current.
- 250 V AC rated voltage.
- 35 A breaking capacity.
- 5 × 20 mm glass cartridge construction.
- Compatible with standard miniature fuse holders.
- RoHS compliant.
Reliable Protection for Equipment with Inrush Current
Time-delay miniature fuses are designed to tolerate temporary current surges that occur when transformers, motors and power supplies are energised. This controlled response helps prevent nuisance fuse operation while maintaining dependable protection against sustained overloads and short-circuit faults.
The Mersen W090547 combines a 2.5 A current rating with a standard 5 × 20 mm cartridge design, making it suitable for industrial control systems, instrumentation and OEM electrical equipment requiring reliable circuit protection.
Typical Applications
- Industrial control panels.
- Power supplies.
- Control transformers.
- Motor control circuits.
- Instrumentation equipment.
- OEM electrical machinery.
