MERSEN FUSE 12,5 URD 72 D11 A 0450 12,5URD72D11A0450

Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker DIN 110 Blades PC72UD13C450D1A?

The PC72UD13C450D1A offers robust circuit protection for demanding industrial and power electronics applications, featuring rapid response to overcurrent events to safeguard critical components. Engineered for operation up to 1250VAC (IEC) and 1300VAC (UL) with a 450A rating, it ensures dependable performance and minimal let-through energy during faults.

Integrating DIN 110 blades and a built-in striker, this Protistor® fuse streamlines installation and enables reliable remote indication. Its square body design guarantees secure mounting and thermal stability, making it an optimal selection for efficiency and operational safety in high-power systems.

Technical Specifications

• Item number: T300558
• Catalogue No: PC72UD13C450D1A
• Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker DIN 110 Blades
• EAN/UPC Code: 3605340330212
• Rated voltage AC UL: 1300 V
• Rated voltage AC IEC: 1250 V
• Ampere Rating: 450 A
• AC or DC: AC
• Speed/Characteristic: aR
• Fuse Size: 72
• Mounting: Bolted
• Clearing I2t At Rated Voltage: 360 kA²s
• Melting I2t: 44.2 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: DIN 110 Blades
• Product Width: 59 mm
• Product Length: 133.4 mm
• Product Height: 63 mm
• Sell Pack Quantity: 3 EA
• Sell Pack Weight: 2.1099 kg
• Sell Pack Width: 142 mm
• Sell Pack Length: 194 mm
• Sell Pack Height: 72 mm
• Product group: Semiconductor Protection Fuses
• Body/Insulating Material: Ceramic
• Product Weight: 0.7033 kg
• Power Dissipation at Rated Current Value: 89 W

Product Code: T300558

Key Benefits

• High-speed aR characteristic ensures rapid disconnection of semiconductor circuits, minimising damage.
• Robust ceramic body provides excellent thermal stability and mechanical strength.
• Integrated striker allows for reliable remote indication of fuse status.
• Silver-plated copper DIN 110 blades ensure secure and low-resistance connections.
• Rated for high voltages (1250VAC IEC / 1300VAC UL) and high breaking capacity (126 kA) for demanding industrial applications.
• Bolted mounting facilitates secure installation in power systems.

Compatibility

This fuse is compatible with industrial and power electronic systems requiring high-speed semiconductor protection. It fits fuse holders and switchgear designed for Size 72 aR fuses with DIN 110 blade terminals and striker indication systems. Suitable for use in systems operating at voltages up to 1300VAC and currents up to 450A.

Applications

• Protection of power semiconductors such as thyristors and diodes in converters and inverters.
• Industrial motor drives and variable speed drives.
• Power supplies and UPS systems requiring fast-acting overcurrent protection.
• Renewable energy installations including solar and wind power converters.
• Heavy industrial machinery and automation equipment.

Common Search Terms

High-speed fuse, semiconductor protection fuse, aR fuse, Size 72 fuse, 450A fuse, 1250VAC fuse, 1300VAC fuse, DIN 110 blade fuse, Protistor fuse, striker indication fuse, industrial fuse, power electronics fuse.