MERSEN FUSE 6,9 GRB 17/20 6,9GRB17/20

Why Choose the Protistor® 17x49 gR 690VAC IEC 20A BS17GB69V20 Fuse-Link?

Engineered for demanding industrial applications, the Protistor® 17x49 gR fuse-link delivers precise and reliable circuit protection up to 690VAC and 20A, fully compliant with IEC and British Standards. Its compact 17x49mm design ensures easy integration into modern control panels and equipment.

This robust gR-class fuse guarantees fast response and consistent performance against overloads and short circuits, safeguarding sensitive components and maximising equipment uptime. Ideal for professionals seeking long-term operational reliability in power distribution and industrial automation.

Technical Specifications

• Item number: Y220959
• Catalogue No: BS17GB69V20
• Description: British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 20A
• EAN/UPC Code: 3605340248463
• Rated voltage AC UL: 700 V
• Rated voltage DC UL: 600 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 20 A
• AC or DC: AC
• Fuse Size: 17x49
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 110 A²s
• Melting I2t: 17.1 A²s
• AC Max I.R./Breaking Capacity: I1: 200 kA
• Design Details: gRB
• Connection/Terminal Material: Copper
• Connection/Terminal Type: L Brackets
• Product Diameter: 18.5 mm
• Product Length: 77.2 mm
• Sell Pack Quantity: 10 EA
• Sell Pack Weight: 0.39 kg
• Sell Pack Width: 100 mm
• Sell Pack Length: 195 mm
• Sell Pack Height: 25 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.039 kg
• Power Dissipation at Rated Current Value: 5.5 W

Product Code: Y220959

Key Benefits

• High breaking capacity of 200 kA ensures superior protection against short circuits.
• Compact 17x49mm size allows for easy installation in confined spaces.
• Ceramic body material provides excellent thermal and mechanical stability.
• Fast-acting gR design protects sensitive semiconductor devices effectively.
• Copper L bracket terminals ensure reliable and secure electrical connections.
• Compliant with IEC and British Standards for assured quality and safety.

Compatibility

This fuse-link is compatible with industrial control panels and equipment designed for 690VAC systems requiring 20A protection. It fits fuse holders and bases designed for 17x49mm size fuses with bolted mounting and copper terminal connections.

Applications

• Protection of semiconductor devices such as thyristors and diodes in power electronics.
• Industrial automation and control systems requiring reliable circuit protection.
• Power distribution units in manufacturing and processing plants.
• Renewable energy systems including solar inverters and wind turbine controllers.
• General purpose protection in AC circuits up to 690V.

Common Search Terms

Protistor fuse-link, 17x49 fuse, 20A gR fuse, 690VAC fuse, semiconductor protection fuse, BS17GB69V20, industrial fuse-link, ceramic fuse 20A, high breaking capacity fuse, copper terminal fuse.