High-speed fuse engineered for demanding industrial and power electronics applications, rated at 700A with integrated striker and DIN 110 blades for secure installation and remote signalling.
£212.60
The Mersen Y300562 (PC72UD10C700D1A) is a genuine Protistor® square body high-speed semiconductor fuse designed to provide ultra-fast protection for power semiconductor devices including diodes, thyristors, IGBTs and power conversion equipment. As part of the renowned Mersen Protistor® Size 72 aR series, it is engineered for demanding industrial applications where rapid fault clearing is essential to minimise damage to sensitive electronic components.
Designed for modern power electronics, the Y300562 combines high breaking capacity with low let-through energy (I²t), helping maximise equipment protection while maintaining reliable operation. The silver-plated contacts, solidified sand construction and non-magnetic hardware ensure dependable long-term performance in demanding industrial environments.
With a 700 A current rating, 1000 V AC IEC rating and 1100 V AC UL rating, the fuse is ideally suited to protecting variable speed drives, UPS systems, converters, soft starters and renewable energy power conversion equipment. It features DIN 110 blade terminals and an integrated striker indicator for convenient maintenance and fuse monitoring.
High-speed semiconductor fuses are specifically engineered to protect expensive power electronic components from damaging short-circuit currents. Their ultra-fast operation significantly reduces fault energy, helping extend the service life of converters, drives and industrial power control equipment.
The Mersen Protistor® range is trusted worldwide for protecting variable frequency drives, UPS systems, renewable energy converters and industrial power electronics where high interrupting capacity and rapid fault clearing are essential.
| Current | 11 A |
|---|---|
| Item number | Y300562 |
| Catalogue No | PC72UD10C700D1A |
| Description | Square Body High-Speed Fuse Protistor® Size 72 aR 1000VAC IEC 1100VAC UL 700A With Striker DIN 110 Blades |
| EAN/UPC Code | 3605340330298 |
| Rated voltage AC UL | 1100 V |
| Rated voltage AC IEC | 1000 V |
| Ampere Rating | 700 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 72 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 815 kA²s |
| Melting I2t | 141.9 kA²s |
| AC Max I.R./Breaking Capacity | I1: 167 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 | 140 W |
| HS Code | 85361090 |
The Y300562 is an ultra-fast Protistor® semiconductor fuse designed to protect power electronic devices such as IGBTs, SCRs and diodes from short-circuit faults.
The fuse is rated at 700 A, 1000 V AC (IEC) and 1100 V AC (UL).
aR fuses provide ultra-fast short-circuit protection specifically for semiconductor devices and are intended to be used with additional overload protection where required.
The Y300562 features DIN 110 blade terminals together with an integrated striker indicator for maintenance indication.
Typical applications include industrial drives, UPS systems, converters, inverters, soft starters and renewable energy power conversion equipment.
Mersen Protistor® semiconductor fuses are widely specified by OEMs and industrial engineers to deliver dependable protection for high-performance power conversion systems and sensitive semiconductor devices.
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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...