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MERSEN FUSE 6,900 CP AR 14.51 0020 FR14AR69V20
MPN: N1027330
Alt. SKU: FR14AR69V20
Special Price
£7.90
£6.58
Regular Price
£14.36
MERSEN FUSE 6,900 CP AR 14.51 0020 FR14AR69V20 is available to buy in increments of 10
Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 20A FR14AR69V20?
This high-speed cylindrical fuse delivers reliable protection for critical semiconductor devices, ensuring rapid fault clearance with a 20A rating at up to 690VAC. Its compact 14x51mm size enables efficient integration into industrial control panels and power electronics assemblies.
Engineered to IEC standards and optimised for aR class applications, the FR14AR69V20 minimises downtime and enhances operational safety in demanding environments, providing solid performance and durability for OEMs and maintenance teams alike.
Technical Specifications
- Item number: N1027330
- Catalogue No: FR14AR69V20
- Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 20A
- EAN/UPC Code: 3605340531442
- 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
- 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: 107 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: 5.5 W
Product Code: FR14AR69V20
Key Benefits
- Rapid fault clearance to protect sensitive semiconductor devices
- Compact 14x51mm size for easy integration in control panels
- High breaking capacity of 160 kA ensures robust protection
- Silver-plated copper terminals provide excellent conductivity and durability
- Complies with IEC standards for reliable and safe operation
- Ceramic body enhances thermal and mechanical stability
- RoHS compliant, supporting environmental safety requirements
Compatibility
The FR14AR69V20 fuse is compatible with industrial control equipment and power electronics assemblies requiring aR class semiconductor protection. It fits standard 14x51mm fuse clips and holders designed for high-speed fuses operating up to 690VAC and 20A.
Applications
- Protection of semiconductor devices such as thyristors and diodes
- Industrial motor drives and inverters
- Power supply units and converters
- Automation and control systems
- Renewable energy systems including solar inverters
- General industrial electrical protection requiring fast-acting fuses
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial-range) speed characteristic indicates the fuse is designed specifically for semiconductor protection, providing rapid disconnection of overloads and short circuits to prevent damage to sensitive components.
Is this fuse suitable for DC applications?
No, the FR14AR69V20 is rated for AC applications only, as specified in the technical specifications.
Can this fuse be used in standard fuse holders?
Yes, it is designed for clip mounting in holders compatible with 14x51mm cylindrical fuses.
What is the breaking capacity of this fuse?
The maximum breaking capacity is 160 kA at rated voltage, ensuring it can safely interrupt high fault currents.
Common Search Terms
high-speed fuse, cylindrical fuse 14x51, semiconductor protection fuse, 20A fuse 690VAC, aR fuse, IEC fuse size 14x51, industrial fuse, Protistor fuse, clip mount fuse, silver-plated copper terminal fuse
| Manufacturer Part Number | N1027330 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 3605340531442 |
| Height | 51mm |
| Width | 14.3mm |
| Depth | 14.3mm |
| HS Code | 85361050 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | FR14AR69V20 |
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