High-speed Protistor® fuse with NH 000 size, aR characteristic, rated at 160A and 690VAC, featuring integrated striker and DIN 80 blade terminations for semiconductor protection.
£67.45
The Mersen X330185 is a premium NH Size 000 high-speed semiconductor protection fuse from the trusted Mersen Protistor® range. Designed for the protection of sensitive semiconductor devices including IGBTs, thyristors, diodes and rectifiers, it delivers rapid fault interruption for industrial power conversion and automation equipment.
Manufactured using precision silver fuse elements and silver-plated contacts, the X330185 provides exceptionally fast short-circuit protection while minimising thermal stress on expensive electronic components. Its integrated striker indicator allows quick identification of fuse operation, helping reduce maintenance time and system downtime.
With a 160 A current rating and a 690 V AC IEC / UL voltage rating, this Protistor® fuse is ideal for variable speed drives, UPS systems, converters, inverters and renewable energy equipment requiring dependable semiconductor protection.
High-speed semiconductor fuses are specifically designed to interrupt fault currents before damage occurs to sensitive power electronic components. The Protistor® range offers extremely low let-through energy, helping extend equipment life while reducing costly downtime.
The X330185 is widely specified by machine builders, panel manufacturers and electrical engineers for demanding industrial applications where dependable semiconductor protection is essential.
| Item number | X330185 |
|---|---|
| Catalogue No | DN000UB69V160L |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 160A With Striker DIN 80 Blades |
| EAN/UPC Code | 8430399015491 |
| Rated voltage AC UL | 690 V |
| Rated voltage DC UL | 500 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 160 A |
| RoHS Compliant | Yes |
| AC or DC | AC/DC |
| Speed/Characteristic | aR |
| Fuse Size | NH000 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 16000 A²s |
| Melting I2t | 2680 A²s |
| AC Max I.R./Breaking Capacity | I1: 200 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | DIN 80 Blades |
| Product Width | 20 mm |
| Product Length | 100 mm |
| Product Height | 55.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.3849 kg |
| Sell Pack Width | 110 mm |
| Sell Pack Length | 130 mm |
| Sell Pack Height | 80 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.1283 kg |
| Power Dissipation at Rated Current Value | 31 W |
| HS Code | 85361090 |
| Country of Manufacture | Tunisia |
It is designed to provide ultra-fast protection for semiconductor devices such as IGBTs, thyristors, diodes and rectifiers used in industrial power electronics.
The Mersen X330185 has a rated current of 160 A.
It is rated for 690 V AC IEC / UL applications and 500 V DC UL.
The aR characteristic provides short-circuit protection for semiconductor devices and is intended to be used with separate overload protection.
It is commonly installed in variable speed drives, UPS systems, power converters, renewable energy equipment and industrial automation systems.
Mersen Protistor® semiconductor fuses are trusted worldwide by OEM manufacturers, panel builders and electrical engineers to provide reliable protection for critical industrial power electronic 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...