Why Choose the Mersen A3T200 Amp-Trap® Class T Fuse?
The Mersen A3T200 is a fast-acting Class T current-limiting fuse designed to protect industrial and commercial electrical systems against damaging short circuits and overcurrent conditions. As part of the established Mersen Amp-Trap® A3T series, it combines high current limitation with compact dimensions to provide dependable protection for conductors, switchgear and connected equipment.
The A3T200 features unique Class T dimensions that help prevent substitution with fuses offering lower voltage ratings or reduced current-limiting performance. Its durable glass melamine body provides excellent dimensional stability, while the catalogue number is permanently stamped into the copper blades for clear identification during installation and maintenance.
Rated at 200 A, 300 V AC and 160 V DC, the Mersen A3T200 is suitable for panelboards, switchboards, load centres, metering centres and industrial power distribution equipment where rapid fault interruption and efficient use of enclosure space are essential.
Key Advantages
- Fast-acting Class T current-limiting fuse for dependable circuit protection.
- 200 A rated current for industrial and commercial power systems.
- 300 V AC and 160 V DC voltage ratings.
- High current limitation helps reduce damaging peak fault currents.
- Compact physical size supports space-efficient electrical panel designs.
- Unique Class T dimensions help prevent substitution with unsuitable fuse types.
Key Features
- Mersen Amp-Trap® A3T series.
- Class T fuse design.
- 200 A rated current.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting, current-limiting operating characteristic.
- 200 kA AC interrupting rating.
- Glass melamine body for superior dimensional stability.
- Copper blade terminals with permanent catalogue identification.
Reliable Current-Limiting Circuit Protection
Current-limiting fuses such as the Mersen A3T200 interrupt severe fault currents before they reach their maximum prospective value. This reduces the thermal and mechanical forces imposed on cables, busbars, switchgear and connected equipment during a short circuit, helping limit damage and improve system reliability.
The combination of fast operation, high interrupting capacity and compact Class T dimensions makes the A3T200 well suited to electrical distribution systems where rapid fault clearance, dependable equipment protection and efficient use of panel space are critical.
Typical Applications
- Industrial panelboards and distribution panels.
- Switchboards and electrical switchgear.
- Load centres and metering centres.
- Industrial machinery and control equipment.
- Power distribution assemblies.
- Commercial electrical installations.
- Power conversion and battery systems.
