Why Choose the Mersen ATQR2-1/2 Class CC Fuse?
The Mersen ATQR2-1/2 is a premium Class CC time-delay fuse designed to provide dependable overcurrent protection for industrial control transformers, solenoids, relays, contactors and other inductive electrical loads. Part of the trusted Mersen Amp-Trap® 2000 ATQR series, it combines exceptional current-limiting performance with a time-delay characteristic that tolerates normal inrush currents while delivering rapid protection against overloads and short circuits.
The rejection-style Class CC construction helps prevent incorrect fuse replacement when installed in compatible Class CC fuse holders, improving both safety and system reliability. Its compact ferrule design makes it ideal for space-constrained control panels and OEM equipment.
With a rated current of 2.5 A, a maximum voltage rating of 600 V AC and 300 V DC, the ATQR2-1/2 is well suited to industrial automation, machinery and electrical distribution systems requiring reliable branch circuit protection.
Key Advantages
- Compact Class CC time-delay fuse for industrial control circuits.
- 2.5 A current rating for transformer and inductive load protection.
- 600 V AC and 300 V DC voltage ratings.
- Time-delay characteristic withstands normal transformer inrush currents.
- Highly current-limiting design reduces fault energy.
- Rejection-style construction helps prevent incorrect fuse replacement.
Key Features
- Mersen Amp-Trap® 2000 ATQR series.
- 2.5 A rated current.
- 600 V AC maximum voltage.
- 300 V DC maximum voltage.
- Class CC rejection-style ferrule fuse.
- Time-delay characteristic.
- 200 kA AC interrupting rating.
- Compact 10 × 38 mm cylindrical construction.
Reliable Protection for Industrial Control Systems
The Mersen ATQR2-1/2 is engineered specifically for protecting industrial control transformers and inductive control equipment. Its time-delay design allows normal magnetising current and equipment start-up surges to pass without nuisance operation while maintaining fast, dependable protection against sustained overloads and short circuits.
Its advanced current-limiting construction reduces thermal and mechanical stress during fault conditions, helping protect expensive electrical equipment, minimise downtime and improve the long-term reliability of industrial automation systems.
Typical Applications
- Industrial control transformers.
- Control panels and switchboards.
- Relays, solenoids and contactors.
- Motor control circuits.
- OEM machinery.
- Industrial automation equipment.
