High-speed fuse with 500A rating, 1250VAC IEC and 1300VAC UL rated voltage, featuring a striker indication system and silver-plated copper DIN 110 blades for semiconductor protection.
£195.40
The Mersen V300559 (PC72UD13C500D1A) is a genuine Protistor® Size 72 ultra-fast square body semiconductor fuse engineered to provide maximum protection for modern power semiconductor devices operating in demanding industrial applications. Rated at 500A, 1250VAC (IEC) and 1300VAC (UL), this aR characteristic fuse delivers rapid fault interruption to protect sensitive equipment including IGBTs, thyristors and diodes.
Designed with a robust ceramic square body, DIN 110 blade terminals and an integrated striker indicator, the V300559 combines low let-through energy (I²t), high breaking capacity and dependable operation in demanding power conversion systems. Silver-plated contacts and non-magnetic hardware further enhance performance and long-term reliability.
Manufactured by Mersen, a global leader in electrical protection technology, the V300559 complies with major IEC and UL standards, making it suitable for industrial automation, renewable energy, UPS systems and heavy-duty power electronics worldwide.
The Protistor® Size 72 range has been engineered to provide state-of-the-art protection for modern power semiconductor devices. Pure silver fuse elements embedded in solidified sand provide rapid fault interruption while maintaining low let-through energy to minimise thermal and electrical stress during short-circuit conditions.
The V300559 is ideally suited to industrial drives, converters and other power electronic systems where dependable semiconductor protection is essential for maximising equipment reliability and reducing downtime.
| Current | 11 A |
|---|---|
| Item number | V300559 |
| Catalogue No | PC72UD13C500D1A |
| Description | Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 500A With Striker DIN 110 Blades |
| EAN/UPC Code | 3605340330236 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1250 V |
| Ampere Rating | 500 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 72 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 465 kA²s |
| Melting I2t | 57.1 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 | 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 | 98 W |
| HS Code | 85351000 |
The Mersen V300559 (PC72UD13C500D1A) is a Protistor® Size 72 ultra-fast square body semiconductor fuse rated at 500A for industrial power conversion equipment.
An aR fuse is designed specifically for semiconductor protection, providing ultra-fast short-circuit protection for sensitive power electronic devices while allowing normal operating currents.
The fuse features DIN 110 blade terminals together with an integrated striker indicator for fuse operation indication.
It is designed to protect IGBTs, thyristors, diodes and similar semiconductor devices used in industrial drives, converters, UPS systems and renewable energy equipment.
The V300559 provides a rated AC breaking capacity of 126kA, delivering excellent fault interruption performance for demanding industrial applications.
Mersen Protistor® high-speed semiconductor fuses are widely trusted worldwide for protecting valuable power electronic equipment used in industrial automation, renewable energy, transportation and advanced power conversion systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...