MERSEN FUSE 12,5 URD 72 EF 0315 PC72UD13C315EF

Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 315A With Striker Open Slot Blades PC72UD13C315EF?

Engineered for high reliability in demanding industrial and power electronics applications, the Protistor® Size 72 high-speed fuse ensures rapid fault interruption and robust circuit protection up to 1250VAC (IEC) and 1300VAC (UL) at 315A. Its square body design with striker and open slot blades facilitates secure installation and immediate condition indication, optimising maintenance response times.

Tested to stringent IEC and UL standards, this fuse delivers precise performance under high short-circuit conditions, helping to protect sensitive semiconductor devices and minimise equipment downtime. Choose the PC72UD13C315EF for advanced safety, operational efficiency, and trusted overcurrent protection in critical systems.

Technical Specifications

• Item number: K300619
• Catalogue No: PC72UD13C315EF
• Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 315A With Striker Open Slot Blades
• EAN/UPC Code: 3605340331066
• Rated voltage AC UL: 1300 V
• Rated voltage AC IEC: 1250 V
• Ampere Rating: 315 A
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 72
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 125 kA²s
• Melting I2t: 15.1 kA²s
• AC Max I.R./Breaking Capacity: I1: 126 kA
• Indication System: Yes
• Indication System Type: Striker
• Connection/Terminal Material: Silver-Plated Copper
• Connection/Terminal Type: Open Slot Blades
• Product Width: 59 mm
• Product Length: 149.4 mm
• Product Height: 63 mm
• Sell Pack Quantity: 3 EA
• Sell Pack Weight: 2.274 kg
• Sell Pack Width: 157 mm
• Sell Pack Length: 205 mm
• Sell Pack Height: 80 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.758 kg
• Power Dissipation at Rated Current Value: 76 W

Product Code: PC72UD13C315EF

Key Benefits

• High-speed aR characteristic for rapid fault clearing and semiconductor protection.
• Rated for high voltages: 1250VAC (IEC) and 1300VAC (UL) ensuring versatile application.
• Robust ceramic body providing excellent insulation and durability.
• Striker indication system enables quick visual identification of fuse operation.
• Silver-plated copper open slot blades for secure and reliable electrical connections.
• Bolted mounting ensures stable installation in industrial environments.
• High breaking capacity of 126 kA for maximum safety under fault conditions.

Compatibility

This fuse is compatible with industrial and power electronics systems requiring semiconductor protection fuses of Size 72, rated at 315A with bolted mounting. It fits fuse holders and panels designed for Protistor® Size 72 fuses with open slot blade terminals and striker indication.

Applications

• Protection of power semiconductors such as thyristors and diodes in industrial drives.
• High voltage AC power electronics circuits requiring fast-acting overcurrent protection.
• Renewable energy systems including solar inverters and wind turbine converters.
• Industrial automation and control panels with critical semiconductor components.
• Electrical distribution systems demanding high breaking capacity and reliable fuse indication.

Common Search Terms

Square body high-speed fuse, Protistor Size 72 fuse, 315A semiconductor fuse, aR fuse 1250VAC, striker indication fuse, bolted mounting fuse, open slot blade fuse, industrial semiconductor protection fuse.