High-speed fuse designed for semiconductor protection with 280A rating, certified to IEC 1200VAC and UL 1300VAC standards, featuring striker indication and slotted blade terminals.
£136.55
The Mersen Q300716 (A130UD70LI280) is a premium square body semiconductor protection fuse engineered to provide ultra-fast protection for sensitive power electronic equipment. As part of the proven Mersen Protistor® Size 70 series, this aR high-speed fuse is specifically designed to protect diodes, thyristors, GTOs and IGBTs used in industrial power conversion systems.
Designed for demanding industrial environments, the Q300716 delivers excellent current limitation and low let-through energy to minimise damage during short-circuit faults. Its robust ceramic body, pure silver fuse elements, silver-plated contacts and integrated striker indicator ensure dependable operation and long service life.
With a 280 A current rating and a 1200 V AC IEC / 1300 V AC UL voltage rating, the Mersen Q300716 is ideally suited for protecting industrial drives, UPS systems, renewable energy equipment, power converters and other semiconductor-based applications.
High-speed semiconductor fuses are engineered to interrupt fault currents before sensitive electronic components can be damaged. Their ultra-fast response and low let-through energy provide superior protection compared with conventional industrial fuses, helping maximise equipment reliability while reducing maintenance costs and downtime.
The Protistor® range is widely used in industrial automation, renewable energy, UPS systems and variable speed drives where dependable semiconductor protection is essential for safe and efficient operation.
| Item number | Q300716 |
|---|---|
| Catalogue No | A130UD70LI280 |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1200VAC IEC 1300VAC UL 280A With Striker Slotted Blades long |
| EAN/UPC Code | 3605340332582 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1200 V |
| Ampere Rating | 280 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 70 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 106000 A²s |
| Melting I2t | 14200 A²s |
| AC Max I.R./Breaking Capacity | I1: 150 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | Slotted Blades |
| Product Width | 39.8 mm |
| Product Length | 152.4 mm |
| Product Height | 49.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.1298 kg |
| Sell Pack Width | 133 mm |
| Sell Pack Length | 157 mm |
| Sell Pack Height | 54 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.3766 kg |
| Power Dissipation at Rated Current Value | 64 W |
| HS Code | 85351000 |
It is an ultra-fast semiconductor protection fuse designed to protect IGBTs, thyristors, GTOs, diodes and other sensitive power electronic components.
The Mersen Q300716 has a 280 A current rating.
The fuse is rated for 1200 V AC (IEC) and 1300 V AC (UL).
The aR characteristic provides ultra-fast short-circuit protection specifically for semiconductor devices while allowing normal operating currents.
It is commonly installed in industrial drives, UPS systems, renewable energy equipment, power converters and other semiconductor-based electrical systems.
Mersen Protistor® semiconductor fuses are trusted by OEMs, panel builders and industrial engineers worldwide to provide dependable protection for high-value power electronic equipment operating in demanding industrial environments.
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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...