Why Choose the Mersen FR22AM69V4 Cylindrical Fuse-Link?
The Mersen FR22AM69V4 is an industrial aM cylindrical fuse-link designed to provide reliable short-circuit protection for motors, motor starters and associated electrical equipment. Part of the Mersen 22 × 58 mm ferrule fuse-link range, it is suitable for motor circuits operating at voltages up to 690 V AC.
Its aM partial-range operating characteristic enables the fuse-link to withstand the temporary inrush currents produced during normal motor starting while responding rapidly to dangerous short-circuit currents. As an aM fuse-link does not provide full overload protection, it must be coordinated with a suitable thermal overload relay, electronic motor protection device or equivalent protective component.
With a rated current of 4 A, a standard 22 × 58 mm cylindrical format and robust ceramic construction, the FR22AM69V4 is well suited to motor control panels, industrial machinery and automation systems. Its silver-plated contacts support consistent conductivity and dependable performance in compatible cylindrical fuse holders.
Key Advantages
- Designed specifically for motor circuit short-circuit protection.
- 4 A rated current for lower-current motor circuits.
- 690 V AC rated voltage for industrial electrical systems.
- aM partial-range characteristic accommodates motor starting currents.
- Standard 22 × 58 mm cylindrical format.
- High current-limiting performance helps reduce damaging fault energy.
- Ceramic body and silver-plated contacts support dependable operation.
- Suitable for motor starters, machinery and industrial control equipment.
Key Features
- Mersen FR22AM69V4 cylindrical fuse-link.
- aM utilisation category.
- 4 A rated current.
- 690 V AC IEC rated voltage.
- 22 × 58 mm fuse size.
- Partial-range protection against short-circuit currents.
- Designed to tolerate normal motor starting current.
- Ceramic insulating body.
- Silver-plated ferrule contacts.
- Suitable for installation in compatible cylindrical fuse holders.
Reliable Short-Circuit Protection for Motor Circuits
The Mersen FR22AM69V4 limits and interrupts high short-circuit currents before they can cause serious damage to motors, contactors, conductors and associated control equipment. Its current-limiting performance helps reduce the thermal and mechanical stresses imposed on protected components during a fault.
Because the FR22AM69V4 is an aM partial-range fuse-link, it must be used with a separate overload protection device. When correctly coordinated, this arrangement protects the motor circuit while permitting the elevated current required during normal motor starting.
Typical Applications
- Motor starters and contactor assemblies.
- Industrial motor control panels.
- Motor control centres.
- Small pumps, fans and conveyor systems.
- Manufacturing and processing machinery.
- Industrial automation equipment.
- OEM machine-building applications.
- Electrical switchgear and control systems.
