Why Choose the Mersen ATDR9 Time-Delay Fuse?
The Mersen ATDR9 is a high-performance Class CC time-delay fuse engineered to provide dependable overcurrent and short-circuit protection for industrial control panels, motor branch circuits, transformers and other electrical equipment. As part of the trusted Mersen Amp-Trap 2000 ATDR series, it offers superior current-limiting performance while allowing temporary inrush currents during equipment start-up.
With a 9 A current rating and a 600 V AC / 300 V DC voltage rating, the ATDR9 is designed to protect sensitive electrical components without nuisance operation. Its compact Class CC rejection-style design supports safe installation in compatible fuse holders while helping prevent incorrect fuse replacement.
The Mersen ATDR9 is widely used in industrial automation, manufacturing equipment and OEM machinery where reliable circuit protection is essential. Its time-delay characteristics make it particularly suitable for applications involving motors, contactors and transformers that experience brief inrush currents during normal operation.
Key Advantages
- Compact Class CC time-delay fuse for industrial circuit protection.
- 9 A current rating suitable for branch circuits and industrial controls.
- 600 V AC / 300 V DC rating for demanding electrical systems.
- Time-delay operation withstands temporary motor and transformer inrush currents.
- Current-limiting design helps reduce fault energy and equipment damage.
- Rejection-style construction prevents incorrect fuse substitution.
Key Features
- Mersen Amp-Trap 2000 ATDR series.
- 9 A rated current.
- 600 V AC rated voltage.
- 300 V DC rated voltage.
- Class CC current-limiting fuse.
- Time-delay characteristic for motor and transformer protection.
- High interrupting capacity for industrial fault protection.
- Compact 10 × 38 mm cylindrical fuse design.
Reliable Protection for Industrial Electrical Systems
The Mersen ATDR9 provides dependable circuit protection by allowing harmless temporary inrush currents while rapidly interrupting sustained overloads and short circuits. This improves equipment reliability while reducing unnecessary downtime caused by nuisance fuse operation.
Its current-limiting performance helps minimise the thermal and mechanical effects of electrical faults, protecting connected equipment and improving the overall safety of industrial control systems.
Typical Applications
- Industrial control panels.
- Motor branch circuits.
- Control transformers.
- Automation and OEM machinery.
- Contactors and relay circuits.
- Manufacturing and process equipment.
