Why Choose the Mersen ATQR25 Class CC Fuse?
The Mersen ATQR25 is a premium Class CC time-delay fuse designed to provide dependable overcurrent protection for industrial control transformers, solenoids, contactors, relays and other inductive electrical loads. As part of the trusted Mersen Amp-Trap® 2000 ATQR series, it combines superior current-limiting performance with a time-delay characteristic that withstands high inrush currents while providing rapid protection against overloads and short circuits.
Designed for branch circuit protection in industrial electrical systems, the ATQR25 helps minimise nuisance fuse operation during transformer energisation while protecting valuable equipment from sustained overcurrents and fault conditions. Its rejection-style Class CC construction also helps prevent incompatible fuse replacement when installed in the appropriate fuse holder.
With a rated current of 25 A, a maximum voltage rating of 600 V AC and 300 V DC, the ATQR25 is ideal for industrial control panels, automation systems and electrical distribution equipment requiring dependable branch circuit protection.
Key Advantages
- Compact Class CC time-delay fuse for industrial control circuits.
- 25 A current rating for transformers and inductive loads.
- 600 V AC and 300 V DC voltage ratings.
- Time-delay characteristic withstands transformer and equipment inrush currents.
- Highly current-limiting construction reduces fault energy.
- Rejection-style design helps prevent incorrect fuse replacement.
Key Features
- Mersen Amp-Trap® 2000 ATQR series.
- 25 A rated current.
- 600 V AC maximum voltage.
- 300 V DC maximum voltage.
- Class CC rejection-style ferrule fuse.
- Time-delay operating characteristic.
- 200 kA AC interrupting rating.
- Compact 10 × 38 mm cylindrical construction.
Reliable Protection for Industrial Control Systems
The Mersen ATQR25 is specifically engineered to protect industrial control transformers and other inductive loads that experience high temporary inrush currents. Its time-delay characteristic allows these normal start-up conditions without nuisance operation while maintaining rapid interruption of sustained overloads and short circuits.
Its advanced current-limiting construction helps minimise thermal and mechanical stress during fault conditions, protecting transformers, conductors, contactors and downstream equipment while reducing maintenance costs and improving system reliability.
Typical Applications
- Industrial control transformers.
- Control panels and switchboards.
- Solenoids, relays and contactors.
- Motor control centres.
- OEM machinery.
- Industrial automation systems.
