Why Choose the Mersen ATQR3-1/2 Class CC Time-Delay Fuse?
The Mersen ATQR3-1/2 is a premium Class CC time-delay fuse engineered to provide dependable branch circuit protection for industrial electrical systems. As part of the trusted Mersen Amp-Trap 2000® ATQR series, it is specifically designed to withstand temporary inrush currents generated by control transformers, solenoids and other inductive loads while delivering fast current limitation during fault conditions.
Featuring advanced current-limiting technology, the ATQR3-1/2 helps minimise equipment damage, reduce downtime and improve electrical system reliability. Its compact Class CC design allows installation in space-saving fuse holders, making it an excellent choice for industrial control panels, OEM machinery and commercial electrical installations.
With a 3.5 A current rating, 600 V AC / 300 V DC voltage rating and proven time-delay performance, the Mersen ATQR3-1/2 offers superior protection for sensitive electrical equipment while reducing nuisance fuse operation during motor or transformer start-up.
Key Advantages
- High-performance Class CC time-delay fuse for industrial circuit protection.
- 3.5 A current rating for control circuit applications.
- 600 V AC / 300 V DC rated voltage.
- Time-delay characteristics minimise nuisance opening during inrush currents.
- High current-limiting design helps protect electrical equipment from fault damage.
- Compact ferrule construction suitable for Class CC fuse holders.
Key Features
- Mersen Amp-Trap 2000® ATQR Series.
- 3.5 A current rating.
- 600 V AC / 300 V DC voltage rating.
- Class CC time-delay fuse.
- 50 / 60 Hz operation.
- Ferrule style cylindrical construction.
- High interrupting rating for enhanced fault protection.
- Designed for industrial control panels and branch circuit protection.
Reliable Protection for Industrial Electrical Systems
The Mersen ATQR series has been developed to provide dependable overcurrent protection for industrial branch circuits while accommodating temporary inrush currents from transformers, contactors and other inductive equipment. This combination of time-delay performance and high current limitation helps maximise equipment uptime and minimise maintenance costs.
Its compact Class CC footprint makes the ATQR3-1/2 particularly suitable for modern electrical control panels where space is limited but high-performance circuit protection is essential.
Typical Applications
- Industrial control panels.
- Control transformers.
- Solenoids and inductive loads.
- Motor control circuits.
- OEM machinery.
- Commercial and industrial electrical distribution systems.
