MERSEN FUSE 6,900 CP AR 14.51 0025 FR14AR69V25

Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 25A FR14AR69V25?

The Protistor® FR14AR69V25 high-speed cylindrical fuse is designed for precise protection of power semiconductor devices in demanding industrial applications. Rated at 25A and 690VAC, this 14x51mm fuse complies with IEC standards and ensures reliable interruption of overloads and short circuits.

Engineered for minimal let-through energy and fast response under fault conditions, this aR-class fuse reduces downtime and preserves equipment integrity. Its robust construction and outstanding electrical performance make it an optimal choice for engineers seeking high safety and operational continuity.

Technical Specifications

• Item number: P1027331
• Catalogue No: FR14AR69V25
• Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 aR 690VAC IEC 25A
• EAN/UPC Code: 3605340531459
• Rated voltage AC IEC: 690 V
• Ampere Rating: 25 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 14x51
• Mounting: Clip
• Clearing I2t At Rated Voltage: 345 A²s
• Melting I2t: 45.3 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: 6 W

Product Code: FR14AR69V25

Key Benefits

• Fast and reliable interruption of overloads and short circuits to protect sensitive semiconductor devices.
• Complies with IEC standards ensuring high safety and quality.
• Minimal let-through energy reduces damage to downstream equipment.
• Robust ceramic body for enhanced durability and thermal stability.
• Silver-plated copper terminals provide excellent conductivity and corrosion resistance.
• Compact 14x51mm size suitable for space-constrained installations.

Compatibility

This fuse is compatible with industrial power semiconductor protection systems requiring a 25A, 690VAC aR-class fuse. It fits standard 14x51mm fuse clips and is suitable for use in motor drives, inverters, and power converters that demand high-speed fuse protection.

Applications

• Protection of power semiconductors in industrial drives and inverters.
• Overload and short circuit protection in power electronics.
• Use in motor controllers and power conversion equipment.
• Industrial automation and process control systems.
• Renewable energy systems such as solar inverters.

Common Search Terms

High-speed fuse, cylindrical fuse 14x51mm, semiconductor protection fuse, 25A 690VAC fuse, IEC fuse aR class, Protistor fuse, industrial power fuse, fast-acting fuse, ceramic fuse 14x51, silver-plated copper terminal fuse.