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MERSEN FUSE 6,921 CP AR 14.51 0012 FR14AR69V12T
MPN: S1056659
Alt. SKU: FR14AR69V12T
Special Price
£13.44
£11.20
Regular Price
£24.44
MERSEN FUSE 6,921 CP AR 14.51 0012 FR14AR69V12T is available to buy in increments of 10
Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 12A With Striker FR14AR69V12T?
Engineered for rapid protection of semiconductor devices, the Protistor® FR14AR69V12T offers reliable interruption of short-circuit currents up to 690VAC with a compact 14x51 mm footprint. Its 12A rating ensures precise circuit safeguarding in demanding industrial applications.
Equipped with an integrated striker for remote signalling, this fuse is fully compliant with IEC standards, delivering superior performance, enhanced safety, and reliable coordination in critical electrical systems.
Product Code: FR14AR69V12T
Key Benefits
- Rapid disconnection of short-circuit currents to protect sensitive semiconductor devices.
- Integrated striker for remote indication enhances system monitoring and safety.
- Compact 14x51 mm size fits standard industrial fuse holders.
- High breaking capacity of 160 kA ensures reliable operation under fault conditions.
- Silver-plated copper terminals provide excellent conductivity and corrosion resistance.
- Ceramic body for robust insulation and thermal stability.
- RoHS compliant, supporting environmentally responsible installations.
Compatibility
This fuse is compatible with IEC standard fuse holders designed for 14x51 mm cylindrical fuses and is suitable for use in AC circuits rated up to 690 V. It fits clip mounting systems and is ideal for integration into semiconductor protection circuits requiring aR characteristic fuses.
Applications
- Protection of power semiconductor devices such as thyristors and diodes.
- Industrial motor drives and variable frequency drives.
- Power supply and inverter circuits.
- Renewable energy systems including solar inverters.
- Automation and control panels requiring high-speed fuse protection.
Technical Specifications
- Item number: S1056659
- Catalogue No: FR14AR69V12T
- Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 12A With Striker
- EAN/UPC Code: 3605340592726
- Rated voltage AC IEC: 690 V
- Ampere Rating: 12 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 14x51
- Mounting: Clip
- Clearing I2t At Rated Voltage: 55 A²s
- Melting I2t: 5.4 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: 73 mm
- Sell Pack Length: 107 mm
- Sell Pack Height: 15 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.02 kg
- Power Dissipation at Rated Current Value: 4 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates that this fuse is a high-speed semiconductor fuse designed to protect semiconductor devices by rapidly interrupting short-circuit currents, preventing damage to sensitive components.
Is the FR14AR69V12T suitable for DC applications?
No, this fuse is specified for AC applications only, with a rated voltage of 690 V AC.
How does the integrated striker indication system work?
The integrated striker activates upon fuse operation, providing a mechanical indication and enabling remote signalling to alert maintenance personnel of a blown fuse.
Can this fuse be used in standard 14x51 mm fuse holders?
Yes, it is designed to fit standard 14x51 mm fuse holders with clip mounting.
Common Search Terms
high-speed fuse, semiconductor protection fuse, 14x51 fuse, 690VAC fuse, aR fuse, fuse with striker, industrial fuse, high breaking capacity fuse, Protistor fuse, 12A fuse
| Manufacturer Part Number | S1056659 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 3605340592726 |
| Height | 51mm |
| Width | 14.3mm |
| Depth | 14.3mm |
| HS Code | 85361050 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | FR14AR69V12T |
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