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MERSEN FUSE 6,921 CP GR 14.51 0016 FR14GR69V16T
Fast-acting 16A gR fuse with integrated striker for semiconductor protection, rated at 690 V AC with a breaking capacity of 160 kA. Compact 14×51 mm cylindrical design compliant with IEC standards.
£8.70
Why Choose the Mersen FR14GR69V16T High-Speed Fuse?
The Mersen FR14GR69V16T is a high-performance 16 A cylindrical semiconductor fuse designed to provide rapid and dependable protection for sensitive power electronic equipment. Part of the trusted Mersen Protistor® 14 × 51 mm gR fuse series, it delivers full-range protection against both overloads and short-circuit currents in demanding industrial applications.
Featuring a gR operating characteristic, this high-speed fuse is specifically engineered to protect semiconductor devices throughout the complete operating range. Its low let-through energy and exceptionally high interrupting capacity help minimise damage to IGBTs, thyristors, rectifiers, inverters, variable frequency drives and other critical power electronic equipment.
With a rated current of 16 A, an IEC rated voltage of 690 V AC and an integrated striker indicator, the FR14GR69V16T provides reliable protection while allowing rapid identification of an operated fuse during maintenance.
Key Advantages
- High-speed semiconductor protection fuse.
- 16 A rated current for industrial power electronics.
- 690 V AC IEC and 700 V AC UL voltage ratings.
- gR full-range characteristic protects against overloads and short circuits.
- 160 kA AC breaking capacity.
- Integrated striker indication for quick fault identification.
Key Features
- Mersen Protistor® high-speed fuse series.
- 16 A ampere rating.
- 690 V AC IEC rated voltage.
- 700 V AC UL recognised.
- gR full-range operating class.
- 160 kA AC interrupting capacity.
- Integrated striker indicator.
- Ceramic body with silver-plated copper ferrules.
- Designed for clip-mounted 14 × 51 mm fuse holders.
Fast, Full-Range Semiconductor Protection
The Mersen FR14GR69V16T is engineered to minimise fault energy before it reaches valuable semiconductor devices. Its gR characteristic provides comprehensive protection against both overloads and short-circuit faults, making it suitable for applications where continuous semiconductor protection is essential.
The integrated striker mechanism provides a clear mechanical indication when the fuse has operated and can be used with compatible accessories for remote signalling, reducing maintenance time and improving system availability.
Typical Applications
- Variable frequency drives.
- Industrial motor control systems.
- Power converters and inverters.
- UPS systems.
- Rectifiers and thyristor assemblies.
- Industrial automation equipment.
- Renewable energy power conversion systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 14x51 mm | |
| Fuse Class | gR | |
| Voltage | 690 V | |
| Item number | K1017184 | |
| Catalogue No | FR14GR69V16T | |
| Description | High-Speed Cylindrical Fuse Protistor® Size 14x51 gR 690VAC IEC 16A With Striker | |
| EAN/UPC Code | 3605340506815 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 16 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 14x51 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 125 A²s | |
| Melting I2t | 13.1 A²s | |
| AC Max I.R./Breaking Capacity | I1: 160 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Ferrule | |
| Product Diameter | 14.3 mm | |
| Product Length | 51 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.2 kg | |
| Sell Pack Width | 75 mm | |
| Sell Pack Length | 104 mm | |
| Sell Pack Height | 16 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.02 kg | |
| Power Dissipation at Rated Current Value | 4.65 W | |
| HS Code | 85361050 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen FR14GR69V16T used for?
The FR14GR69V16T provides full-range high-speed protection for semiconductor devices used in industrial drives, converters, inverters and other power electronic equipment.
What is the current rating of this fuse?
The Mersen FR14GR69V16T has a rated current of 16 A.
What does the gR operating class mean?
The gR classification provides full-range semiconductor protection against both overload and short-circuit conditions, unlike aR fuses which provide short-circuit protection only.
Does the FR14GR69V16T include a striker?
Yes. The FR14GR69V16T includes an integrated striker that provides mechanical indication when the fuse has operated.
Which fuse holders are compatible?
The fuse is designed for compatible 14 × 51 mm cylindrical fuse holders suitable for its voltage and current ratings.
Trusted Semiconductor Protection from Mersen
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide by electrical engineers, OEM manufacturers and panel builders for dependable protection of critical industrial power electronic systems.
