MERSEN FUSE 6,9 URD 31 TT F 0500 6,9URD31TTF0500

Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends metric threads PC31UD69V500TF?

Engineered for demanding industrial and power electronics applications, this high-speed Protistor® fuse delivers rapid, reliable protection for sensitive semiconductor components operating at voltages up to 690VAC (IEC) and 700VAC (UL) with a 500A current rating. Its square body design ensures excellent thermal performance and robust mechanical stability.

Featuring integrated striker flush ends and metric threads for easy installation and secure connections, the fuse is fully compliant with international safety standards. Trusted by engineers for its precision, durability and consistent interruption of fault currents, it is the optimal choice for safeguarding your critical systems.

Technical Specifications

• Item number: T300006
• Catalogue No: PC31UD69V500TF
• Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 500A With Striker Flush ends metric threads
• EAN/UPC Code: 3605340322309
• Rated voltage AC UL: 700 V
• Rated voltage AC IEC: 690 V
• Ampere Rating: 500 A
• RoHS Compliant: Yes
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 31
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 215000 A²s
• Melting I2t: 37000 A²s
• AC Max I.R./Breaking Capacity: I1: 200 kA
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Brass
• Connection/Terminal Type: Flush ends
• Product Width: 51 mm
• Product Length: 50.6 mm
• Product Height: 56.5 mm
• Sell Pack Quantity: 3 EA
• Sell Pack Weight: 1.1478 kg
• Sell Pack Width: 85 mm
• Sell Pack Length: 168 mm
• Sell Pack Height: 65 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.3826 kg
• Power Dissipation at Rated Current Value: 70 W

Product Code: T300006

Key Benefits

• High-speed aR characteristic ensures rapid interruption of semiconductor fault currents.
• Square body design offers superior thermal management and mechanical robustness.
• Integrated striker indication system provides clear visual fuse status.
• Flush ends with silver-plated brass terminals guarantee secure, low-resistance connections.
• Metric threaded mounting allows easy and reliable installation.
• Complies with IEC and UL standards for international safety and performance.
• RoHS compliant, supporting environmentally responsible applications.

Compatibility

This fuse is compatible with Size 31 fuse holders and switchgear designed for semiconductor protection in industrial AC power systems up to 700VAC. It integrates seamlessly with bolted mounting systems and is suitable for use in equipment requiring high breaking capacity and precise fault clearance.

Applications

• Protection of power semiconductor devices such as thyristors, diodes, and transistors.
• Industrial motor drives and inverters.
• Power supplies and rectifiers in heavy industrial environments.
• Renewable energy systems including solar inverters and wind turbines.
• High-performance electrical distribution and control panels.

Common Search Terms

High-speed fuse, Protistor fuse, Size 31 fuse, semiconductor protection fuse, 500A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker indication fuse, bolted mounting fuse, ceramic body fuse, industrial fuse, power electronics fuse.