Protistor® high-speed fuse with aR characteristic, rated 1000A at 1000VAC IEC and 1100VAC UL, featuring striker indication and flush end silver-plated brass terminals with metric threads.
£321.41
The Mersen V300513 (PC73UD10C1000TF) is a genuine Protistor® Size 73 ultra-fast square body semiconductor fuse engineered to protect high-power semiconductor devices in demanding industrial power conversion applications. Rated at 1000A, 1000VAC (IEC) and 1100VAC (UL), it provides rapid short-circuit protection with an aR operating characteristic specifically developed for sensitive semiconductor equipment.
Designed for modern power electronics, the V300513 features a robust ceramic square body with flush-end metric threaded terminals and an integrated striker indicator for fast fuse status indication. Its low let-through energy (I²t), high interrupting capability and silver-plated contact surfaces help minimise damage during fault conditions while maximising equipment reliability.
Manufactured by Mersen, the global leader in electrical protection technology, the V300513 complies with major international IEC, UL and CSA standards, making it suitable for industrial installations worldwide.
The Protistor® Size 73 range has been developed to provide advanced protection for high-power semiconductor devices used in converters, drives and industrial power systems. The V300513 rapidly clears short-circuit faults, helping to minimise thermal and electrical stress on valuable electronic components.
Its ceramic construction, silver-plated contact surfaces and high interrupting capability make it suitable for demanding industrial environments where dependable semiconductor protection is critical to equipment uptime.
| Item number | V300513 |
|---|---|
| Catalogue No | PC73UD10C1000TF |
| Description | Square Body High-Speed Fuse Protistor® Size 73 aR 1000VAC IEC 1100VAC UL 1000A With Striker Flush ends metric threads |
| EAN/UPC Code | 3605340329629 |
| Rated voltage AC UL | 1100 V |
| Rated voltage AC IEC | 1000 V |
| Ampere Rating | 1000 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 73 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 2130 kA²s |
| Melting I2t | 370 kA²s |
| AC Max I.R./Breaking Capacity | I1: 167 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Brass |
| Connection/Terminal Type | Flush ends |
| Product Width | 73 mm |
| Product Length | 74 mm |
| Product Height | 78.5 mm |
| Sell Pack Quantity | 1 EA |
| Sell Pack Weight | 1.22 kg |
| Sell Pack Width | 110 mm |
| Sell Pack Length | 125 mm |
| Sell Pack Height | 75 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 1.22 kg |
| Power Dissipation at Rated Current Value | 152 W |
| HS Code | 85361090 |
The Mersen V300513 (PC73UD10C1000TF) is a Protistor® Size 73 ultra-fast square body semiconductor fuse rated at 1000A for industrial power conversion equipment.
An aR fuse is designed specifically for semiconductor protection, providing extremely rapid short-circuit protection while allowing normal operating currents to pass.
It is designed to protect semiconductor devices such as IGBTs, thyristors, diodes and similar components used in industrial power electronic equipment.
Yes. The V300513 incorporates an integrated striker indicator that can operate a field-mountable microswitch where required.
Typical applications include industrial drives, converters, UPS systems, renewable energy equipment and other high-power semiconductor protection applications.
Mersen Protistor® high-speed fuses are widely specified for protecting power semiconductor devices used in industrial automation, renewable energy, transportation and heavy-duty power conversion systems.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...