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MERSEN FUSE 690V CP 10X38 AM 4A S/I FR10AM69V4
Mersen FR10AM69V4 10 × 38 mm aM cylindrical fuse-link rated 4 A and 690 V AC for industrial motor circuit protection.
£3.55
Why Choose the Mersen FR10AM69V4 Cylindrical Fuse-Link?
The Mersen FR10AM69V4 is a high-performance aM cylindrical fuse-link engineered to provide dependable short-circuit protection for motor circuits, industrial machinery and low-voltage switchgear. As part of the trusted Mersen FR10AM series, this compact 10 × 38 mm IEC fuse delivers reliable current-limiting performance for demanding industrial applications.
Designed specifically for motor circuit protection, the FR10AM69V4 safely withstands motor starting currents while rapidly interrupting damaging short-circuit faults. Used alongside an appropriate overload relay, it provides coordinated protection for motors, contactors and associated electrical equipment.
With a rated current of 4 A, a 690 V AC IEC rating and a high 120 kA breaking capacity, this fuse-link is ideal for industrial control panels, automation systems and OEM machinery where reliable motor protection is essential.
Key Advantages
- Designed specifically for motor circuit short-circuit protection.
- 4 A rated current for industrial motor applications.
- 690 V AC IEC rating for demanding electrical installations.
- 120 kA breaking capacity provides excellent fault interruption.
- Compact 10 × 38 mm cylindrical format.
- High current-limiting performance helps minimise equipment damage.
Key Features
- Mersen FR10AM series.
- aM partial-range fuse characteristic.
- 4 A rated current.
- 690 V AC IEC rated voltage.
- 10 × 38 mm cylindrical fuse-link.
- 120 kA AC breaking capacity.
- Ceramic insulating body.
- Silver-plated contacts.
- Suitable for compatible cylindrical fuse holders.
- RoHS compliant.
Reliable Protection for Industrial Motor Circuits
The Mersen FR10AM69V4 is designed to interrupt high fault currents before they can damage motor starters, contactors and associated switchgear. Its aM characteristic allows it to tolerate normal motor starting currents while delivering rapid protection during severe electrical faults.
Its high current-limiting capability reduces thermal and mechanical stress on downstream equipment, improving system reliability and helping extend the service life of electrical installations.
Typical Applications
- Motor starter protection.
- Industrial control panels.
- Motor control centres.
- OEM machinery.
- Industrial automation equipment.
- Electrical switchgear installations.
Technical Specifications
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| Current | 4 A | |
|---|---|---|
| Voltage | 690 V | |
| Device Type | Fuse link | |
| Fuse Type | Cylindrical | |
| Fuse Size | 10x38 mm | |
| Fuse Class | aM | |
| Manufacturer | Mersen | |
| Series | FR10AM | |
| Model | FR10AM69V4 | |
| Manufacturer item number | K302781 | |
| Product type | Cylindrical fuse-link | |
| Fuse characteristic | aM (partial range) | |
| Rated current | 4 A | |
| Rated voltage | 690 V AC | |
| Breaking capacity | 120 kA AC | |
| Fuse size | 10 × 38 mm | |
| Body material | Ceramic | |
| Contact material | Silver-plated | |
| Power dissipation | 0.28 W | |
| Weight | Approx. 8.3 g | |
| Standards | IEC 60269 | |
| RoHS compliant | Yes | |
| HS Code | 85361010 |
Frequently Asked Questions
What is the Mersen FR10AM69V4 used for?
It provides short-circuit protection for industrial motor circuits and electrical equipment when used alongside suitable overload protection.
What does the aM fuse characteristic mean?
An aM fuse-link is a partial-range motor protection fuse designed to protect against short circuits while allowing normal motor starting currents to pass.
What is the rated current of this fuse?
The Mersen FR10AM69V4 has a rated current of 4 A.
What voltage is this fuse rated for?
This fuse-link is designed for use on systems operating up to 690 V AC.
Where is this fuse commonly installed?
It is commonly installed in industrial motor control panels, switchgear, machinery and automation systems using compatible 10 × 38 mm fuse holders.
Trusted by Industrial Professionals Worldwide
Mersen cylindrical fuse-links are trusted by electrical engineers, OEM manufacturers and panel builders worldwide for dependable motor circuit protection, high breaking capacity and reliable performance in demanding industrial environments.
