Why Choose the Mersen X090548 5ST Time-Delay Miniature Fuse?
The Mersen X090548, catalogue reference MI5ST25V3.15/100, is a reliable 5 × 20 mm time-delay miniature glass fuse designed to protect industrial equipment, electronic devices and electrical control circuits from overloads and short-circuit faults. Its time-delay operating characteristic allows it to withstand temporary inrush currents without nuisance operation while maintaining dependable protection against sustained overcurrent conditions.
As part of the Mersen 5ST IEC Miniature Fuse series, the X090548 is ideally suited to applications incorporating motors, transformers, switched-mode power supplies and other inductive loads where temporary start-up currents are expected. The transparent glass body allows rapid visual inspection of the fuse element during servicing.
With a rated current of 3.15 A, a rated voltage of 250 V AC and a breaking capacity of 35 A, this fuse provides dependable low-voltage circuit protection in a standard format compatible with suitable 5 × 20 mm fuse holders.
Key Advantages
- Compact 5 × 20 mm miniature glass cartridge fuse.
- Time-delay (anti-surge) characteristic withstands temporary inrush currents.
- 3.15 A rated current for industrial and electronic applications.
- 250 V AC rated voltage.
- 35 A breaking capacity for dependable fault protection.
- Transparent glass body enables quick visual inspection.
- Industry-standard dimensions simplify replacement and maintenance.
Key Features
- Mersen 5ST IEC Miniature Fuse series.
- MI5ST25V3.15/100 catalogue reference.
- 5 × 20 mm cylindrical glass fuse.
- 3.15 A nominal current rating.
- 250 V AC rated voltage.
- Time-delay operating characteristic.
- 35 A breaking capacity.
- 91.5 A²s pre-arcing I²t.
- Glass body with nickel-plated brass contact caps.
- Manufactured in accordance with IEC 60127-2.
Reliable Protection for Equipment with Inrush Currents
Time-delay miniature fuses are designed to tolerate the short-duration current surges produced during the start-up of motors, transformers and switched-mode power supplies. This reduces unnecessary fuse operation while continuing to protect equipment from prolonged overloads and fault currents.
The Mersen X090548 provides dependable circuit protection in a compact industry-standard format suitable for OEM equipment, industrial automation systems, instrumentation and electrical control panels.
Typical Applications
- Industrial control panels.
- Motor control circuits.
- Transformer protection.
- Power supplies.
- Electronic equipment.
- Instrumentation and measurement systems.
- OEM machinery.
- General industrial electrical installations.
