Why Choose the Mersen A3T150 Amp-Trap® Class T Fuse?
The Mersen A3T150 is a 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 provides rapid fault interruption and exceptional current limitation to help safeguard conductors, switchgear and connected equipment.
Its compact Class T construction delivers a high interrupting capacity while requiring less installation space than many conventional fuse types. The A3T150 also features unique Class T dimensions that help prevent replacement with unsuitable lower-performance fuses, supporting safe and dependable system maintenance.
With a rated current of 150 A, a 300 V AC rating and a 160 V DC rating, the Mersen A3T150 is suitable for panelboards, switchboards, load centres, metering equipment and industrial power distribution systems where reliable high-speed protection is essential.
Key Advantages
- Fast-acting Class T current-limiting fuse for dependable circuit protection.
- 150 A rated current for industrial and commercial power systems.
- 300 V AC and 160 V DC voltage ratings.
- Exceptional current limitation reduces damaging peak fault current.
- Compact dimensions support space-efficient electrical panel designs.
- Unique Class T format helps prevent substitution with unsuitable fuse classes.
Key Features
- Mersen Amp-Trap® A3T series.
- Class T fuse design.
- 150 A rated current.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting, current-limiting operating characteristic.
- 200 kA AC interrupting rating.
- Durable glass melamine fuse body.
- Blade terminals for installation in compatible Class T fuse holders.
Reliable Current-Limiting Circuit Protection
Current-limiting fuses such as the Mersen A3T150 interrupt severe fault currents before they reach their maximum prospective value. This reduces the thermal and mechanical forces imposed on conductors, busbars, switchgear and connected equipment during a short circuit.
The combination of fast operation, high interrupting capacity and compact dimensions makes the A3T150 suitable for electrical distribution systems where rapid fault clearance, efficient use of panel space and dependable equipment protection 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.
