The UltraSafe™ US273I fuse holder provides secure and reliable protection for both AC and DC circuits up to 800V, accommodating standard 27×60 mm fuses with a robust 3-pole design and visual indicator.
£269.29
The Mersen M226423 is a premium three-pole modular fuse holder engineered for the safe installation of 27 × 60 mm cylindrical fuse links. Also identified by catalogue number US273I, it forms part of the renowned Mersen Modulostar® CMS27 UltraSafe™ series, delivering dependable circuit protection, finger-safe operation and simplified maintenance for industrial electrical installations.
Designed for demanding industrial environments, the M226423 features an integrated visual blown fuse indicator, IP20 finger-safe protection and Faston lug terminals for secure electrical connections. Its durable thermoplastic construction offers excellent mechanical strength and long service life while supporting high-voltage AC and DC applications.
Rated at 140 A with voltage ratings of up to 800 V AC / 800 V DC, the M226423 provides a reliable solution for panel builders, OEMs and industrial maintenance engineers requiring safe, modular fuse protection across three phases.
The Mersen M226423 provides secure mounting for three 27 × 60 mm cylindrical fuse links while ensuring safe fuse replacement through its finger-safe IP20 design. The integrated visual indicator allows maintenance personnel to identify an operated fuse quickly, reducing diagnostic time and minimising equipment downtime.
As part of the Modulostar® UltraSafe™ range, the M226423 is designed for industrial switchgear, control panels and OEM machinery where dependable multi-phase circuit protection and straightforward maintenance are essential.
| Phase | Three Phase |
|---|---|
| Item number | M226423 |
| Catalogue No | US273I |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole Visual Indicator Faston Lugs IP20 |
| EAN/UPC Code | 3605340269062 |
| 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 |
| Indication System | Yes |
| Indication System Type | Visual Indicator |
| Number of Poles | 3-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 | 119.9 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 M226423 is a three-pole modular fuse holder designed to safely install and support 27 × 60 mm cylindrical fuse links in industrial electrical systems.
The holder is designed for 27 × 60 mm cylindrical fuse links.
The fuse holder is rated for up to 800 V AC and 800 V DC under both IEC and UL standards.
Yes. It incorporates a visual indicator that provides quick identification when a fuse has operated.
Yes. Its three-pole configuration makes it ideal for protecting three-phase industrial circuits and equipment.
Mersen Modulostar® UltraSafe™ fuse holders are trusted by electrical engineers and panel builders worldwide for delivering safe fuse installation, reliable electrical performance and long-term durability 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...