Why Choose the Mersen J211516 5SM Medium Time-Lag Miniature Fuse?
The Mersen J211516 is a high-quality 5 × 20 mm medium time-lag miniature fuse designed to provide dependable overcurrent protection for industrial electrical distribution circuits, electronic equipment and OEM applications. Identified by the catalogue reference MI5SM25V0.315, it forms part of the trusted Mersen 5SM IEC miniature fuse series.
With a rated current of 0.315 A and a rated voltage of 250 V AC, this fuse offers a medium time-delay characteristic that allows temporary inrush currents to pass during normal equipment start-up whilst providing reliable protection against sustained overloads and short circuits.
Its compact 5 × 20 mm ceramic cartridge construction enables straightforward installation into compatible fuse holders, making it suitable for industrial controls, instrumentation, power supplies and electronic equipment where dependable circuit protection is essential.
Key Advantages
- Medium time-lag characteristic reduces nuisance fuse operation.
- Compact 5 × 20 mm IEC miniature fuse.
- 0.315 A current rating for sensitive circuits.
- 250 V AC rated voltage.
- Ceramic construction for dependable electrical performance.
- Suitable for industrial equipment and electronic applications.
- Compatible with standard 5 × 20 mm fuse holders.
Key Features
- Mersen 5SM IEC miniature fuse series.
- MI5SM25V0.315 catalogue reference.
- 0.315 A rated current.
- 250 V AC rated voltage.
- Medium time-lag operating characteristic.
- 80 A AC breaking capacity.
- 0.29 A²s pre-arcing I²t.
- Ceramic cartridge construction.
- Designed for industrial electrical protection.
- RoHS compliant.
Reliable Circuit Protection for Industrial Equipment
Medium time-lag miniature fuses are designed to tolerate brief start-up currents whilst providing dependable protection against sustained overloads and fault conditions. This helps improve equipment reliability by reducing unnecessary fuse operation during normal switching and energisation.
The Mersen 5SM range is widely used in industrial control equipment, instrumentation, power supplies and OEM machinery where dependable overcurrent protection and long service life are essential.
Typical Applications
- Industrial control panels.
- Electronic equipment.
- Instrumentation systems.
- Power supplies.
- OEM machinery.
- Electrical distribution circuits.
