Why Choose the Mersen B233451 20 A Time Delay Glass Cartridge Fuse?
The Mersen B233451 is a high quality 5 × 20 mm time delay glass cartridge fuse designed to provide dependable overcurrent protection for industrial electrical equipment, power supplies and control circuits. As part of the trusted Mersen 5ST IEC Miniature Fuse series, it offers reliable protection against overloads and short circuits whilst allowing temporary inrush currents during equipment start-up.
Its time delay (slow blow) characteristic enables the fuse to tolerate brief current surges without unnecessary operation, making it ideal for motors, transformers and equipment with high starting currents. The glass cartridge construction also allows for quick visual inspection of the fuse element during maintenance.
With a rated current of 20 A, a 250 V AC voltage rating and a standard 5 × 20 mm format, the B233451 is suitable for a wide range of industrial, commercial and OEM electrical applications requiring reliable circuit protection.
Key Advantages
- Reliable time delay miniature fuse for industrial electrical equipment.
- 20 A current rating for higher current applications.
- 250 V AC rated voltage for IEC electrical systems.
- Time delay characteristic prevents nuisance operation from inrush currents.
- Glass body enables quick visual inspection.
- Compact 5 × 20 mm format fits compatible fuse holders.
Key Features
- Mersen 5ST IEC Miniature Fuse series.
- 20 A rated current.
- 250 V AC rated voltage.
- Time delay (slow blow) operating characteristic.
- 5 × 20 mm glass cartridge construction.
- Designed for industrial circuit protection.
- Suitable for motor and transformer circuits.
- RoHS compliant.
Reliable Protection for Industrial Equipment
Time delay fuses are designed to withstand the temporary inrush currents generated when motors, transformers and power supplies are energised. They continue to provide dependable protection against sustained overloads and short circuits, helping reduce unnecessary downtime while safeguarding valuable equipment.
The Mersen B233451 combines reliable performance, a compact footprint and proven Mersen manufacturing quality, making it an excellent choice for OEM machinery, industrial control panels and electrical distribution equipment.
Typical Applications
- Industrial control panels.
- Motor control equipment.
- Transformers.
- Power supplies.
- OEM machinery.
- Electrical distribution equipment.
