Protistor® Size 71 high-speed fuse with aR characteristic, rated at 160A, 1250VAC IEC, 1300VAC UL, featuring striker indication and plain blades for secure connections.
£161.35
The Mersen M301219, catalogue number PC71UD13C160PA, is a Protistor® Size 71 square body high-speed semiconductor fuse designed to provide ultra-fast short-circuit protection for modern power electronic equipment. Specifically engineered to protect sensitive semiconductor devices such as IGBTs, thyristors and diodes, it delivers reliable performance in demanding industrial applications.
With a 160 A current rating, 1250 V AC IEC / 1300 V AC UL voltage rating and an aR operating class, the M301219 provides exceptional semiconductor protection while minimising let-through energy during fault conditions. Its robust square body construction, silver-plated contacts and high breaking capacity make it ideal for critical power conversion equipment.
The fuse features a Size 71 square body with plain blade terminals and an integrated striker indicator for remote fuse indication, making installation and maintenance straightforward in industrial electrical systems.
Protistor® semiconductor fuses are engineered to interrupt extremely high fault currents before damage can occur to expensive semiconductor devices. Their ultra-fast operating characteristics reduce thermal stress, minimise downtime and help maximise equipment reliability.
The Mersen M301219 is ideally suited to industrial power conversion equipment where dependable semiconductor protection is essential for operational safety and system longevity.
| Item number | M301219 |
|---|---|
| Catalogue No | PC71UD13C160PA |
| Description | Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 160A With Striker Plain Blades |
| EAN/UPC Code | 3605340338324 |
| Rated voltage AC UL | 1300 V |
| Rated voltage AC IEC | 1250 V |
| Ampere Rating | 160 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 71 |
| Mounting | Clip |
| Clearing I2t At Rated Voltage | 21 kA²s |
| Melting I2t | 2.6 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 | Plain Blades |
| Product Width | 51 mm |
| Product Length | 149.4 mm |
| Product Height | 56.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.68 kg |
| Sell Pack Width | 140 mm |
| Sell Pack Length | 170 mm |
| Sell Pack Height | 70 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.56 kg |
| Power Dissipation at Rated Current Value | 46 W |
| HS Code | 85351000 |
It is designed to provide ultra-fast protection for semiconductor devices including IGBTs, thyristors and diodes in industrial power electronic equipment.
The fuse has a rated current of 160 A.
It is rated at 1250 V AC (IEC) and 1300 V AC (UL).
The aR operating class provides short-circuit protection specifically for semiconductor devices and should be used alongside suitable overload protection.
The built-in striker provides mechanical indication of fuse operation and can be used with compatible microswitches for remote signalling.
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and maintenance engineers for protecting high-value power electronic equipment 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...