The UltraSafe™ US271I fuse holder offers reliable circuit protection for demanding industrial applications, accommodating 27×60 mm UL fuses with both 800VAC and 800VDC ratings. Features include a visual indicator, single-pole design, Faston lugs, and IP20 touch-safe protection.
£87.53
The Mersen J226420 is a genuine UltraSafe™ US271I modular fuse holder designed for 27 × 60 mm cylindrical fuse-links. Part of the renowned Modulostar® CMS27 / UltraSafe™ US27 range, this single-pole fuse holder combines finger-safe operation, high voltage ratings and dependable performance for demanding industrial electrical installations.
Designed to meet both IEC and UL requirements, the J226420 offers 800 V AC/DC ratings and features an integrated visual blown-fuse indicator for rapid fault identification. The robust thermoplastic construction provides IP20 finger-safe protection, even during fuse replacement, helping improve operator safety and minimise maintenance downtime.
Its Faston lug terminals allow quick installation, while optional auxiliary microswitch accessories enable remote fuse status indication for industrial automation and control systems. The modular design also allows multiple poles to be assembled using compatible linking kits where required.
The Mersen J226420 provides a reliable and safe method of mounting 27 × 60 mm fuse-links in industrial electrical systems. Its finger-safe design enhances operator protection, while the visual fuse indicator enables maintenance personnel to quickly identify operated fuses and restore equipment to service more efficiently.
Suitable for OEM equipment, industrial control panels, motor drives, photovoltaic systems and power distribution equipment, the UltraSafe™ range delivers dependable performance in demanding applications where safety and reliability are essential.
| Phase | Single Phase |
|---|---|
| Item number | J226420 |
| Catalogue No | US271I |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 1-pole Visual Indicator Faston Lugs IP20 |
| EAN/UPC Code | 3605340269000 |
| 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 | single pole |
| Indication System | Yes |
| Indication System Type | Visual Indicator |
| Number of Poles | 1-pole |
| 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 | 39.9 mm |
| Product Length | 93.5 mm |
| Product Height | 149.4 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.909 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 J226420 is designed for 27 × 60 mm cylindrical fuse-links.
Yes. The US271I version features an integrated visual indicator that clearly shows when the fuse has operated.
The holder is rated for 800 V AC and 800 V DC under both IEC and UL standards.
Yes. The J226420 is designed for convenient DIN rail installation in industrial electrical panels.
Yes. The UltraSafe™ design provides IP20 finger-safe protection, including during fuse replacement.
Mersen UltraSafe™ modular fuse holders are trusted by electrical engineers, panel builders and OEM manufacturers worldwide for safe fuse installation, reliable operation and long-term industrial performance.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...