Why Choose the Mersen T201773 5SM Miniature Fuse?
The Mersen T201773 is a compact and reliable medium time-lag miniature cartridge fuse designed to protect electrical distribution circuits and industrial equipment against sustained overloads and short-circuit conditions. Part of the Mersen 5SM IEC miniature fuse series, it provides dependable circuit protection while tolerating brief inrush currents that may occur during normal equipment start-up.
With a rated current of 0.2 A and a rated voltage of 250 V AC, the T201773 is suitable for sensitive low-current applications found in control equipment, instrumentation, power supplies and industrial automation systems. Its medium time-lag characteristic helps prevent nuisance operation during short-duration current surges while ensuring the circuit is disconnected when a persistent fault occurs.
The fuse uses the widely adopted 5 × 20 mm cartridge format, enabling straightforward installation into compatible miniature fuse holders. Its compact construction and dependable electrical performance make it a practical choice for original equipment manufacturers, panel builders and maintenance engineers.
Key Advantages
- Medium time-lag characteristic tolerates brief start-up current surges.
- 0.2 A rated current for sensitive low-current circuits.
- 250 V AC voltage rating for industrial electrical equipment.
- Standard 5 × 20 mm miniature cartridge format.
- Provides dependable protection against sustained overloads and short circuits.
- Manufactured by established circuit protection specialist Mersen.
Key Features
- Mersen 5SM IEC miniature fuse series.
- Medium time-lag operating characteristic.
- 0.2 A rated current.
- 250 V AC rated voltage.
- Compact 5 × 20 mm cartridge dimensions.
- Suitable for electrical distribution and industrial circuits.
- Compatible with standard miniature fuse holders.
- Designed in accordance with IEC miniature fuse requirements.
Reliable Protection for Low-Current Electrical Circuits
Medium time-lag fuses are engineered to withstand temporary current increases without disconnecting unnecessarily. This makes them suitable for circuits containing transformers, capacitors and other components that may draw a brief surge of current when energised.
The Mersen T201773 combines a sensitive 0.2 A current rating with a controlled time-lag response, helping protect electrical distribution circuits, industrial control equipment and electronic devices while accommodating normal short-duration inrush conditions.
Typical Applications
- Industrial control circuits.
- Electrical distribution equipment.
- Instrumentation and measuring devices.
- Power supplies and control transformers.
- Electronic and automation equipment.
- OEM machinery and control systems.
