MERSEN FUSE 6,900 CP GR 14.51 0020 FR14GR69V20

Why Choose the High-Speed Cylindrical Fuse Protistor® Size 14x51 gR 690VAC IEC 20A FR14GR69V20?

The FR14GR69V20 offers robust circuit protection for industrial and commercial applications, with high-speed operation to reliably safeguard sensitive equipment against overloads and short circuits. Designed to IEC standards, this 14x51 mm fuse supports up to 690VAC and 20A, ensuring consistent performance and enhanced system safety.

Its gR full-range breaking capacity makes it ideal for semiconductor and power electronics protection, providing rapid arc quenching and minimal let-through energy. Choose the FR14GR69V20 for reliable protection, easy installation, and long service life in demanding electrical environments.

Technical Specifications

• Item number: F1017203
• Catalogue No: FR14GR69V20
• Description: High-Speed Cylindrical Fuse Protistor® Size 14x51 gR 690VAC IEC 20A
• EAN/UPC Code: 3605340506969
• Rated voltage AC IEC: 690 V
• Ampere Rating: 20 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: gR
• Fuse Size: 14x51
• Mounting: Clip
• Clearing I2t At Rated Voltage: 230 A²s
• Melting I2t: 26.8 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: 104 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: 4.8 W

Product Code: FR14GR69V20

Key Benefits

• High-speed gR characteristic ensures rapid disconnection to protect sensitive semiconductor devices.
• Full-range breaking capacity suitable for both overload and short-circuit protection.
• Designed to IEC standards for reliable and consistent performance.
• Ceramic body provides excellent insulation and heat resistance.
• Silver-plated copper terminals ensure low contact resistance and durability.
• Compact 14x51 mm size allows easy installation in standard fuse holders.
• RoHS compliant, ensuring environmentally responsible manufacturing.

Compatibility

The FR14GR69V20 fuse is compatible with fuse clips designed for 14x51 mm cylindrical fuses and is suitable for use in industrial control panels, power electronics, and semiconductor protection circuits operating at voltages up to 690VAC and currents up to 20A.

Applications

• Protection of semiconductor devices such as thyristors, diodes, and transistors.
• Industrial motor drives and inverters.
• Power supply units and transformers.
• Control and automation equipment.
• Renewable energy systems including photovoltaic inverters.

Common Search Terms

14x51 fuse, high-speed semiconductor fuse, Protistor fuse, gR fuse 690V, 20A fuse, cylindrical fuse 14x51, industrial fuse, IEC fuse, semiconductor protection fuse, high breaking capacity fuse.