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MERSEN FUSE 6,921 CP AR 14.51 0020 FR14AR69V20T
MPN: V1056661
Alt. SKU: FR14AR69V20T
Special Price
£13.44
£11.20
Regular Price
£24.44
MERSEN FUSE 6,921 CP AR 14.51 0020 FR14AR69V20T is available to buy in increments of 10
Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 20A With Striker FR14AR69V20T?
Engineered for protection of power semiconductors, this high-speed cylindrical fuse offers reliable interruption at 690VAC up to 20A, ensuring rapid response to fault conditions in demanding industrial environments. Its 14x51mm format allows easy integration into standard fuse holders for straightforward installation and maintenance.
The inbuilt striker provides precise indication of fuse operation, supporting remote monitoring and improved safety. Manufactured to IEC standards, the FR14AR69V20T delivers consistent performance, making it a dependable choice for critical applications in power electronics, drives, and UPS systems.
Product Code: FR14AR69V20T
Key Benefits
- High-speed aR characteristic ensures rapid fault clearance protecting sensitive semiconductor devices.
- Integrated striker indication for clear and immediate fuse operation status.
- Compact 14x51mm cylindrical size allows easy replacement in standard fuse holders.
- Silver-plated copper terminals provide excellent conductivity and reliable connections.
- Ceramic body ensures durability and high breaking capacity up to 160 kA.
- Compliant with IEC standards and RoHS directives for safety and environmental responsibility.
Compatibility
This fuse is compatible with industrial semiconductor protection systems, including power electronics modules, motor drives, uninterruptible power supplies (UPS), and other AC applications requiring high-speed fault interruption at voltages up to 690VAC and currents up to 20A. It fits standard 14x51mm fuse clips and holders designed for cylindrical fuses.
Applications
- Protection of power semiconductors in industrial drives and inverters.
- Overcurrent protection in UPS systems and power supplies.
- Fault isolation in automation and control equipment.
- Use in renewable energy systems such as solar inverters and wind turbine converters.
- General industrial electrical equipment requiring high-speed fuse protection.
Technical Specifications
- Item number: V1056661
- Catalogue No: FR14AR69V20T
- Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 20A With Striker
- EAN/UPC Code: 3605340592740
- Rated voltage AC IEC: 690 V
- Ampere Rating: 20 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 14x51
- Mounting: Clip
- Clearing I2t At Rated Voltage: 160 A²s
- Melting I2t: 21.7 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: 5.5 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates a high-speed fuse with partial-range semiconductor protection, designed to clear short-circuits rapidly while allowing normal inrush currents.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified by the AC or DC rating.
How does the striker indication system work?
The striker is a mechanical indicator that pops out when the fuse blows, providing a clear visual indication of fuse operation and enabling remote signalling if connected.
Is this fuse RoHS compliant?
Yes, the FR14AR69V20T fuse complies with RoHS directives, ensuring it meets environmental and safety standards.
What is the breaking capacity of this fuse?
The fuse has a maximum breaking capacity of 160 kA at rated voltage, suitable for high fault current conditions.
Common Search Terms
high-speed fuse, cylindrical fuse 14x51, semiconductor protection fuse, 690VAC fuse, 20A fuse with striker, IEC fuse 14x51, Protistor fuse, industrial fuse, power electronics fuse, aR fuse characteristic
| Manufacturer Part Number | V1056661 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 3605340592740 |
| Height | 51mm |
| Width | 14.3mm |
| Depth | 14.3mm |
| HS Code | 85361050 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | FR14AR69V20T |
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