MERSEN FUSE 6,9 URZ 17/50 6,9URZ17/50

Why Choose the Protistor® 17x49 aR 690VAC IEC 50A Fuse-Link?

The Protistor® 17x49 aR 690VAC IEC 50A fuse-link delivers reliable protection for semiconductor devices in demanding industrial environments. Compliant with BS88 and IEC standards, it ensures rapid circuit isolation and limits let-through energy to safeguard critical components.

Engineered for operational safety and minimal downtime, this 17x49mm BS standard fuse-link is ideal for high fault current applications up to 690VAC. Trusted for quality and consistency, it supports efficient maintenance routines and helps ensure long-term equipment integrity.

Product Code: P221250

Key Benefits

• High breaking capacity of 200 kA for superior fault protection.
• Rapid disconnection with aR characteristic to protect sensitive semiconductors.
• Complies with BS88 and IEC standards ensuring quality and safety.
• Ceramic body material for enhanced durability and heat resistance.
• Compact 17x49mm size suitable for space-constrained installations.
• Bolted mounting with copper L bracket terminals for secure connections.

Compatibility

This fuse-link is compatible with industrial semiconductor protection systems requiring a 50A rating and 690VAC voltage. It integrates seamlessly with equipment designed to BS88 and IEC fuse standards, making it suitable for use in motor drives, power converters, and other semiconductor-based devices.

Applications

• Protection of power semiconductor devices such as thyristors and diodes.
• Industrial motor drives and variable speed drives.
• Power converters and inverters in manufacturing plants.
• High fault current electrical distribution systems.
• Renewable energy systems including solar and wind power inverters.

Technical Specifications

• Item number: P221250
• Catalogue No: BS17UZ69V50
• Description: British Standard fuse-link Protistor® 17x49 aR 690VAC IEC 50A
• EAN/UPC Code: 3605340251524
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 50 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 17x49
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 970 A²s
• Melting I2t: 155 A²s
• AC Max I.R./Breaking Capacity: I1: 200 kA
• 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: 0.35 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: 0.035 kg
• Power Dissipation at Rated Current Value: 17 W

Common Search Terms

Protistor fuse-link, 17x49 fuse, 50A semiconductor fuse, BS88 fuse, IEC fuse-link, aR fuse 690VAC, high breaking capacity fuse, industrial semiconductor protection, ceramic fuse-link, bolted mounting fuse.