The US273NI fuse holder supports UL 27x60mm fuses for AC and DC circuits up to 800 V, featuring a 3-pole plus neutral design with visual indicator and Faston lugs, IP20 rated for finger safety.
£372.56
The Mersen N226424 is a heavy-duty UltraSafe™ modular fuse holder designed for 27 × 60 mm cylindrical fuse links. Also identified by catalogue number US273NI, this premium fuse holder forms part of the trusted Modulostar® CMS27 – UltraSafe™ US27 range, offering safe, reliable and finger-safe installation for industrial power distribution and semiconductor protection systems.
Featuring a 3-pole + neutral (3P+N) configuration, integrated visual blown fuse indication and Faston lug terminals, the N226424 simplifies installation and maintenance while enhancing operator safety. Its IP20 finger-safe construction protects against accidental contact, even during fuse replacement, making it ideal for modern switchgear and industrial control panels.
Rated for 800 V AC / 800 V DC with a conventional thermal current of 140 A, the Mersen N226424 is suitable for demanding industrial applications including motor control centres, power converters, renewable energy installations and OEM machinery.
The Mersen N226424 combines safe fuse installation with reliable long-term performance. Its IP20 finger-safe construction helps protect personnel during installation and fuse replacement, while the integrated visual indicator enables rapid identification of operated fuse links without dismantling equipment.
Its modular design also allows additional accessories, including auxiliary microswitches and pole linking kits, making the holder suitable for both standard and customised industrial switchgear assemblies.
| Phase | Three Phase |
|---|---|
| Item number | N226424 |
| Catalogue No | US273NI |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole+N Visual Indicator Faston Lugs IP20 |
| EAN/UPC Code | 3605340269086 |
| Rated voltage AC UL | 800 V |
| Rated voltage DC UL | 800 V |
| Rated voltage AC IEC | 800 V |
| Rated voltage DC IEC | 800 V |
| Ampere Rating | 140 A |
| RoHS Compliant | Yes |
| AC or DC | AC/DC |
| Fuse Size | 27x60 |
| Design Details | triple pole + neutral conductor |
| Indication System | Yes |
| Indication System Type | Visual Indicator |
| Number of Poles | 3-Pole+N |
| Torque Rating | 3.5 Nm |
| Rated Impulse Withstand Voltage | 8 kV |
| Rated Insulation Voltage | 800 V |
| Max Power dissipation of Fuse Links Pn | 11 W |
| Installation Mounting | DIN rail acc. EN 60715 |
| Product Width | 160 mm |
| Product Length | 93.5 mm |
| Product Height | 149.4 mm |
| Sell Pack Quantity | 1 EA |
| Sell Pack Weight | 0.303 kg |
| Sell Pack Width | 154.9 mm |
| Sell Pack Length | 165.1 mm |
| Sell Pack Height | 100.1 mm |
| Product group | Fuse Holders |
| Conventional Free Air thermal Current With Fuse-Links Ith | 140 A |
| Product Weight | 0.303 kg |
| HS Code | 85361090 |
| Country of Manufacture | Tunisia |
The N226424 is a modular UltraSafe™ fuse holder designed to securely mount and protect 27 × 60 mm cylindrical fuse links in industrial electrical installations.
The fuse holder is designed specifically for 27 × 60 mm cylindrical fuse links.
The N226424 is rated for 800 V AC and 800 V DC under both IEC and UL standards.
Yes. The N226424 incorporates an integrated visual indicator to simplify identification of an operated fuse.
Yes. The Modulostar® UltraSafe™ range supports optional auxiliary microswitches for remote blown-fuse signalling.
Mersen UltraSafe™ modular fuse holders are trusted worldwide for their finger-safe design, reliable electrical performance and dependable protection in demanding industrial power 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...