Why Choose the Mersen A3T800 Class T Fuse?
The Mersen A3T800 is a heavy-duty Class T current-limiting fuse engineered to provide exceptional protection for industrial electrical systems operating under high current conditions. Part of the trusted Mersen Amp-Trap 2000 A3T series, this fast-acting fuse offers outstanding short-circuit protection while maintaining a compact footprint for modern power distribution equipment.
Rated at 800 A with a 300 V AC voltage rating, the A3T800 delivers rapid fault interruption to minimise damage caused by overloads and short circuits. Its current-limiting characteristics significantly reduce peak fault current and let-through energy, helping to protect expensive switchgear, busbars, cables and downstream electrical equipment.
Designed for demanding industrial environments, the A3T800 is suitable for installation in switchboards, panelboards, load centres, disconnect switches and other high-power distribution systems. Its unique Class T dimensions prevent substitution with lower performance fuse types, ensuring safe and reliable circuit protection.
Key Advantages
- Compact Class T fast-acting fuse for industrial power protection.
- 800 A current rating for high-power applications.
- 300 V AC and 160 V DC voltage ratings.
- 200 kA AC interrupting capacity for high fault-current systems.
- Current-limiting design reduces thermal and mechanical stress on equipment.
- Compact construction allows efficient use of panel space.
Key Features
- Mersen Amp-Trap 2000 A3T series.
- 800 A rated current.
- 300 V AC maximum voltage rating.
- 160 V DC maximum voltage rating.
- Fast-acting Class T current-limiting protection.
- Glass melamine body for excellent dimensional stability.
- Blade terminals with permanently stamped catalogue number.
- Designed for industrial power distribution systems.
Reliable Protection for High-Power Electrical Systems
The Mersen A3T800 rapidly interrupts excessive fault currents before they reach damaging levels. Its advanced current-limiting design helps reduce equipment damage, lowers arc energy and improves the overall safety and reliability of industrial electrical installations.
The Amp-Trap 2000 A3T range is widely specified by engineers for critical power distribution applications where high interrupting capacity, compact dimensions and dependable performance are essential.
Typical Applications
- Industrial switchboards.
- Panelboards and distribution panels.
- Load centres.
- Motor control centres.
- Electrical disconnect switches.
- Heavy industrial power distribution equipment.
