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MERSEN FUSE 400V CP 10X38 AM 12A P FR10AM40V12P
Mersen FR10AM40V12P 10 × 38 mm aM cylindrical fuse-link with striker rated at 12 A and 400 V AC for industrial motor circuit protection.
£9.79
Why Choose the Mersen FR10AM40V12P Cylindrical Fuse with Striker?
The Mersen FR10AM40V12P is a high-quality 10 × 38 mm aM cylindrical fuse-link with striker designed to provide dependable short-circuit protection for motor circuits and industrial electrical equipment. Part of the trusted Mersen FR10 aM series, this fuse is specifically engineered for motor protection applications where high inrush currents occur during start-up while maintaining excellent fault interruption performance.
Manufactured with a robust ceramic body and silver-plated contacts, the FR10AM40V12P offers reliable electrical performance, excellent current limiting characteristics and a long operational life. The integrated mechanical striker provides local indication or can operate compatible auxiliary contacts for remote monitoring when the fuse has operated.
With a 12 A current rating, 400 V AC IEC rated voltage and a 100 kA breaking capacity, this fuse-link is ideal for protecting motor starters, switchgear, industrial machinery and OEM control panels.
Key Advantages
- Designed specifically for motor circuit short-circuit protection.
- 12 A rated current for industrial motor applications.
- 400 V AC IEC rated voltage.
- aM utilisation category withstands normal motor starting currents.
- Mechanical striker for remote indication or auxiliary switching.
- 100 kA breaking capacity for excellent fault interruption performance.
Key Features
- Mersen FR10 aM series.
- 10 × 38 mm cylindrical fuse-link.
- 12 A rated current.
- 400 V AC rated voltage.
- aM partial-range motor protection characteristic.
- Integrated mechanical striker.
- Ceramic fuse body with silver-plated contacts.
- Compatible with standard 10 × 38 mm fuse holders supporting striker operation.
Reliable Motor Circuit Protection
The Mersen FR10AM40V12P is designed to protect motors, motor starters, contactors and associated switchgear from destructive short-circuit currents. Its aM characteristic allows the normal high inrush current during motor starting whilst providing rapid interruption of dangerous fault currents before equipment damage can occur.
The integrated striker extends automatically when the fuse operates, allowing compatible fuse holders to activate auxiliary contacts for remote indication, alarm signalling or machine shutdown, helping maintenance engineers quickly identify and rectify faults.
Typical Applications
- Motor starter protection.
- Motor control centres (MCCs).
- Industrial control panels.
- Machine building and OEM equipment.
- Industrial switchgear.
- Automation and production machinery.
Technical Specifications
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| Current | 12 A | |
|---|---|---|
| Voltage | 400 V | |
| Device Type | Accessory | |
| Fuse Type | Cylindrical | |
| Fuse Size | 10x38 mm | |
| Fuse Class | aM | |
| Manufacturer | Mersen | |
| Series | FR10 aM | |
| Model | FR10AM40V12P | |
| Manufacturer reference | X085258 | |
| Product type | Cylindrical fuse-link with striker | |
| Fuse characteristic | aM | |
| Current rating | 12 A | |
| Rated voltage | 400 V AC | |
| Breaking capacity | 100 kA AC | |
| Fuse size | 10 × 38 mm | |
| Power dissipation | 0.43 W | |
| Weight | Approx. 9.2 g | |
| Body material | Ceramic | |
| Contact material | Silver-plated | |
| Mounting | Compatible 10 × 38 mm fuse holder with striker support |
Frequently Asked Questions
What is the Mersen FR10AM40V12P used for?
The FR10AM40V12P provides short-circuit protection for industrial motor circuits, motor starters and associated electrical equipment.
What does the aM fuse characteristic mean?
An aM fuse is a partial-range motor protection fuse designed to withstand normal motor starting currents whilst providing high-performance short-circuit protection.
What is the purpose of the striker?
The mechanical striker extends when the fuse operates and can activate compatible auxiliary contacts for remote fault indication or control system signalling.
What are the voltage and current ratings?
The FR10AM40V12P is rated at 12 A and 400 V AC with a 100 kA breaking capacity.
Where is this fuse typically installed?
It is commonly installed in compatible 10 × 38 mm fuse holders within industrial control panels, motor starters, switchgear and OEM machinery.
Trusted by Electrical Professionals Worldwide
Mersen cylindrical aM fuse-links are trusted by panel builders, OEM manufacturers and maintenance engineers worldwide for dependable motor protection, excellent fault interruption capability and reliable long-term performance in demanding industrial environments.
