Why Choose the Mersen A3T1000 Amp-Trap® Class T Fuse?
The Mersen A3T1000 is a heavy-duty, fast-acting Class T current-limiting fuse designed to protect high-current electrical distribution systems against severe short circuits and overcurrent faults. As part of the trusted Mersen Amp-Trap® A3T series, it delivers exceptional fault current limitation, rapid interruption and outstanding equipment protection for demanding industrial and commercial applications.
Engineered for applications requiring extremely high fault interrupting capability, the A3T1000 combines compact dimensions with industry-leading current limitation. Its unique Class T construction prevents substitution with lower-performance fuse types, while the glass melamine body provides superior mechanical stability and long-term reliability.
With a 1000 A rated current, 300 V AC rating and 160 V DC rating, the Mersen A3T1000 is ideal for protecting switchboards, panelboards, metering centres, industrial machinery and high-capacity electrical distribution systems where dependable protection is critical.
Key Advantages
- Fast-acting Class T current-limiting fuse for high-current electrical protection.
- 1000 A current rating for demanding industrial applications.
- 300 V AC and 160 V DC voltage ratings.
- Extremely current-limiting design reduces peak fault current.
- High interrupting capacity helps protect expensive electrical equipment.
- Compact construction simplifies installation within power distribution systems.
Key Features
- Mersen Amp-Trap® A3T series.
- UL Class T fuse.
- 1000 A rated current.
- 300 V AC / 160 V DC rated voltage.
- Fast-acting current-limiting characteristic.
- Glass melamine body for excellent dimensional stability.
- Permanent blade-stamped catalogue identification.
- Designed for high fault current industrial applications.
Reliable Current-Limiting Protection for High-Power Systems
Current-limiting fuses such as the Mersen A3T1000 interrupt fault currents before they reach their maximum prospective value. This significantly reduces thermal and mechanical stress on switchgear, busbars, conductors and downstream equipment, helping minimise damage and reduce maintenance costs.
The Amp-Trap® A3T series is widely specified by electrical engineers, OEMs and panel builders where high interrupting capacity, compact installation and dependable circuit protection are essential for safe system operation.
Typical Applications
- Industrial switchboards.
- Panelboards and distribution equipment.
- Metering centres.
- Motor control centres.
- Heavy industrial machinery.
- Commercial electrical distribution systems.
- Power distribution and protection systems.
