Why Choose the Mersen A3T100 Amp-Trap® Class T Fuse?
The Mersen A3T100 is a compact, fast-acting Class T current-limiting fuse designed to protect industrial and commercial electrical systems against damaging short circuits and overcurrent conditions. Part of the established Mersen Amp-Trap® A3T series, it combines high current limitation with rapid fault interruption to help protect valuable electrical equipment and maintain system reliability.
The A3T100 features a space-saving design with unique Class T dimensions that help prevent replacement with fuses offering lower voltage ratings or reduced current-limiting capability. Its durable glass melamine body provides excellent dimensional stability, while the catalogue number is permanently stamped into the blades for straightforward identification during installation and maintenance.
With a rated current of 100 A, a 300 V AC rating and a 160 V DC rating, the Mersen A3T100 is suitable for load centres, panelboards, switchboards, metering centres and industrial distribution equipment requiring dependable, high-capacity circuit protection.
Key Advantages
- Fast-acting Class T current-limiting fuse for electrical equipment protection.
- 100 A rated current for industrial and commercial power systems.
- 300 V AC and 160 V DC voltage ratings.
- Extremely current-limiting design helps reduce peak let-through current.
- Compact physical size provides greater panel design flexibility.
- Unique Class T dimensions help prevent substitution with unsuitable fuse classes.
Key Features
- Mersen Amp-Trap® A3T series.
- UL Class T fuse design.
- 100 A rated current.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting current-limiting operating characteristic.
- High 200 kA AC interrupting capacity.
- Glass melamine body for dimensional stability.
- Copper blade terminals with permanent catalogue identification.
Reliable Current-Limiting Circuit Protection
Current-limiting fuses such as the Mersen A3T100 interrupt severe fault currents before they reach their maximum prospective value. This helps reduce the thermal and mechanical forces placed on conductors, switchgear and connected equipment during a short circuit.
The A3T series provides a high interrupting capacity within a compact Class T format. This combination makes the A3T100 particularly suitable for electrical distribution systems where panel space, equipment protection and dependable fault clearance are critical considerations.
Typical Applications
- Industrial load centres.
- Panelboards and distribution panels.
- Switchboards and switchgear.
- Metering centres.
- Circuit breaker protection systems.
- Industrial machinery and control equipment.
- Commercial electrical distribution systems.
