High-speed fuse offering reliable protection for demanding industrial and power electronic applications, rated at 1600A and 1000VAC IEC standards with robust square body design, flush ends, metric threads, integrated striker and Omega connection.
£498.30
The Mersen L302230 is a high-performance Protistor® square body semiconductor protection fuse designed to provide ultra-fast protection for power semiconductor devices in demanding industrial applications. Manufactured by Mersen, this fuse is specifically engineered to protect diodes, thyristors, IGBTs and other sensitive power electronic components from damaging short-circuit conditions.
As part of the trusted Mersen Protistor® size 2x72 series, the L302230 combines rapid fault interruption with high breaking capacity, helping minimise equipment damage and reduce costly downtime. Its silver-plated contacts, ceramic body and solidified sand construction deliver reliable performance in high-power conversion equipment and industrial automation systems.
Featuring a 1000 V AC IEC rating, a 1600 A current rating and an integrated striker indicator, the Mersen L302230 is ideally suited to variable speed drives, UPS systems, renewable energy equipment, power converters and other high-power semiconductor applications requiring dependable ultra-fast protection.
Semiconductor protection fuses are specifically designed to interrupt extremely high fault currents before damage occurs to expensive power electronic devices. Their ultra-fast operating characteristics help reduce thermal stress and improve the reliability of industrial power conversion equipment.
The Mersen Protistor® range is widely used in industrial drives, renewable energy systems, UPS installations, motor control centres and power converters where dependable semiconductor protection is essential for continuous operation.
| Item number | L302230 |
|---|---|
| Catalogue No | PC272UD10C16CTF |
| Description | Square Body High-Speed Fuse Protistor® Size 2x72 aR 1000VAC IEC 1600A With Striker Flush ends metric threads With Omega connection |
| EAN/UPC Code | 3605340351873 |
| Rated voltage AC IEC | 1000 V |
| Ampere Rating | 1600 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 2x72 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 4895 kA²s |
| Melting I2t | 860 kA²s |
| AC Max I.R./Breaking Capacity | I1: 100 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Brass |
| Connection/Terminal Type | Flush ends |
| Product Width | 138.5 mm |
| Product Length | 91 mm |
| Product Height | 65.5 mm |
| Sell Pack Quantity | 1 EA |
| Sell Pack Weight | 1.825 kg |
| Sell Pack Width | 85 mm |
| Sell Pack Length | 185 mm |
| Sell Pack Height | 65 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 1.825 kg |
| Power Dissipation at Rated Current Value | 262 W |
| HS Code | 85361090 |
| Country of Manufacture | France |
The Mersen L302230 is a high-speed semiconductor protection fuse designed to protect IGBTs, thyristors, diodes and other power electronic devices from short-circuit faults.
The Mersen L302230 has a 1600 A rated current.
This Protistor® fuse is rated for 1000 V AC (IEC).
Yes. The fuse incorporates an integrated striker indicator that provides mechanical indication when the fuse has operated.
It is commonly installed in industrial drives, power converters, UPS systems, renewable energy equipment and other high-power semiconductor applications.
Mersen Protistor® semiconductor protection fuses are trusted by OEMs, machine builders and electrical engineers for delivering rapid fault protection and reliable performance in demanding industrial power conversion applications.
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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...