Why Choose the Mersen FR10AM40V4P Cylindrical Fuse with Striker?
The Mersen FR10AM40V4P is a high-performance 10 × 38 mm aM cylindrical fuse-link with striker designed to provide dependable short-circuit protection for motor circuits, motor starters and industrial switchgear. As part of the trusted Mersen FR10 aM fuse range, it delivers excellent current-limiting performance while allowing normal motor starting currents to pass without nuisance operation.
Manufactured with a robust ceramic body and silver-plated copper contacts, the FR10AM40V4P offers reliable electrical performance and a long operational life. Its integrated mechanical striker provides local fuse indication or can operate compatible auxiliary contacts for remote monitoring when the fuse has operated.
With a 4 A current rating, 400 V AC IEC rated voltage and a 100 kA breaking capacity, this fuse-link is ideal for protecting motor control circuits, industrial machinery and OEM equipment where dependable motor protection is essential.
Key Advantages
- Designed specifically for motor circuit short-circuit protection.
- 4 A rated current for industrial motor applications.
- 400 V AC IEC rated voltage.
- aM characteristic allows normal motor starting currents.
- Integrated mechanical striker for remote indication or auxiliary switching.
- 100 kA breaking capacity for reliable fault interruption.
Key Features
- Mersen FR10 aM series.
- 10 × 38 mm cylindrical fuse-link.
- 4 A rated current.
- 400 V AC rated voltage.
- aM partial-range motor protection characteristic.
- Integrated mechanical striker.
- Ceramic fuse body with silver-plated copper contacts.
- Suitable for compatible 10 × 38 mm fuse holders with striker support.
Reliable Motor Circuit Protection
The Mersen FR10AM40V4P is specifically engineered to protect motor circuits against destructive short-circuit currents whilst allowing motors to start normally without nuisance fuse operation. Its current-limiting design helps minimise damage to contactors, cables and switchgear during fault conditions.
When the fuse operates, the integrated striker extends mechanically to activate a compatible auxiliary contact for remote fault indication, machine shutdown or alarm signalling, helping maintenance personnel quickly identify and rectify electrical faults.
Typical Applications
- Motor starter protection.
- Motor control centres (MCCs).
- Industrial control panels.
- Machine building and OEM equipment.
- Industrial switchgear.
- Automation and production machinery.
