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MERSEN FUSE 6,900 CP AR 14.51 0012 FR14AR69V12
MPN: L1027328
Alt. SKU: FR14AR69V12
Special Price
£8.02
£6.68
Regular Price
£14.57
MERSEN FUSE 6,900 CP AR 14.51 0012 FR14AR69V12 is available to buy in increments of 10
Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 12A FR14AR69V12?
Engineered for superior circuit protection, the Protistor® 14x51 aR 12A fuse delivers rapid fault interruption and reliable safeguarding of sensitive semiconductor devices in demanding industrial environments. Its high-speed response and IEC compliant construction ensure robust performance at voltages up to 690VAC.
Ideal for integration in power electronics, drives, and control systems, this compact fuse minimises downtime and equipment risk, supporting efficient maintenance and long-term operational safety.
Technical Specifications
- Item number: L1027328
- Catalogue No: FR14AR69V12
- Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 12A
- EAN/UPC Code: 3605340531428
- 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
- 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: 4 W
Product Code: FR14AR69V12
Key Benefits
- High-speed aR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
- IEC compliant design guarantees reliable performance at rated voltage of 690VAC.
- Ceramic body provides excellent insulation and thermal stability.
- Silver-plated copper terminals enhance conductivity and reduce contact resistance.
- Compact 14x51 mm size allows easy integration into various industrial control panels.
- High breaking capacity of 160 kA ensures safety under extreme fault conditions.
- RoHS compliant, supporting environmentally responsible installations.
Compatibility
This fuse is compatible with IEC-standard fuse holders and clips designed for 14x51 mm cylindrical fuses. It is suitable for use in power electronics, motor drives, industrial control systems, and semiconductor protection circuits requiring a 12A, 690VAC fuse with aR characteristic.
Applications
- Protection of power semiconductor devices such as thyristors and diodes.
- Industrial motor drives and variable frequency drives (VFDs).
- Power electronics and inverter circuits.
- Control and automation systems in manufacturing plants.
- Renewable energy systems including photovoltaic inverters.
Frequently Asked Questions
What does the aR speed/characteristic mean?
The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection. It clears faults rapidly to prevent damage to sensitive components.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
Can this fuse be used in a 500V system?
Yes, since the fuse is rated up to 690VAC, it is suitable for use in systems operating at 500V AC.
What is the significance of the breaking capacity of 160 kA?
The breaking capacity indicates the maximum fault current the fuse can safely interrupt without damage. A rating of 160 kA ensures high safety margins in industrial environments.
Common Search Terms
high-speed fuse, cylindrical fuse 14x51, Protistor fuse 12A, semiconductor protection fuse, IEC fuse 690VAC, aR fuse characteristic, industrial circuit protection, 14x51mm fuse, motor drive fuse, power electronics fuse
| Manufacturer Part Number | L1027328 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 3605340531428 |
| Height | 51mm |
| Width | 14.3mm |
| Depth | 14.3mm |
| HS Code | 85361050 |
| Country of Manufacture | Tunisia |
| Manufacturer | Mersen |
| Alternative Product SKU | FR14AR69V12 |
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