Why Choose the Mersen ATQ4-1/2 Time-Delay Fuse?
The Mersen ATQ4-1/2 is a dependable time-delay midget cartridge fuse designed to provide reliable supplemental overcurrent protection for industrial control circuits and electrical equipment. As part of the trusted Mersen ATQ series, it is engineered to withstand temporary inrush currents while protecting against sustained overloads and short-circuit faults.
With a rated current of 4.5 A and a maximum voltage rating of 500 V AC, the ATQ4-1/2 is ideal for protecting control transformers, solenoids, relays, lighting circuits and other inductive loads commonly found in industrial machinery and control panels. Its time-delay characteristic helps minimise nuisance fuse operation during equipment start-up while maintaining dependable circuit protection.
Manufactured in the standard 10 × 38 mm midget cartridge format, the ATQ4-1/2 fits compatible fuse holders and disconnect switches with ease. Its compact construction and robust performance make it suitable for a wide range of industrial automation, OEM machinery and commercial electrical installations.
Key Advantages
- Reliable time-delay fuse protection for circuits with temporary inrush currents.
- 4.5 A current rating for dependable supplemental circuit protection.
- 500 V AC voltage rating suitable for industrial electrical systems.
- Standard 10 × 38 mm midget cartridge design.
- Helps reduce nuisance fuse operation during equipment energisation.
- Suitable for transformers, relays, solenoids and industrial control equipment.
Key Features
- Mersen ATQ series time-delay fuse.
- 4.5 A rated current.
- 500 V AC maximum voltage rating.
- Time-delay operating characteristic.
- 10 × 38 mm ferrule cartridge.
- 10 kA interrupting rating.
- Compatible with standard midget fuse holders.
- Designed for supplemental industrial circuit protection.
Reliable Protection for Industrial Control Circuits
The Mersen ATQ4-1/2 is designed to tolerate the temporary inrush currents associated with transformers, relays and inductive loads while providing dependable protection against sustained overloads and short-circuit conditions. This helps improve equipment reliability and reduce unnecessary fuse replacement.
Its compact 10 × 38 mm construction allows straightforward installation into compatible fuse holders used throughout industrial control panels and electrical distribution equipment, making maintenance quick and efficient.
Typical Applications
- Industrial control panels.
- Control transformers.
- Relay and solenoid circuits.
- PLC and automation equipment.
- Industrial machinery.
- Commercial electrical installations.
