Engineered for demanding industrial applications, this UltraSafe™ fuse holder supports both 800VAC and 800VDC operations and accommodates 27x60mm UL-rated fuses. Its integrated visual indicator ensures rapid status checks, enhancing safety and simplifying maintenance workflows.
£166.96
The Mersen F223519, catalogue number US27NIRING, is a high-quality UltraSafe™ modular fuse holder designed for secure installation of 27 × 60 mm cylindrical fuse links. As part of the trusted Mersen Modulostar® CMS27 / UltraSafe™ US27 series, it provides safe, reliable fuse mounting for industrial power distribution, motor control and protection systems.
Designed with an IP20 finger-safe construction, the F223519 improves operator safety during installation and fuse replacement while reducing the risk of accidental contact with live components. The integrated visual blown fuse indicator and ring lug connections simplify maintenance and provide fast identification of operated fuses.
Rated for 800 V AC/DC and supporting thermal currents up to 140 A with the appropriate fuse installed, this neutral-pole fuse holder is suitable for demanding industrial switchboards, OEM machinery, photovoltaic systems and power distribution equipment.
The UltraSafe™ fuse holder range has been developed to improve electrical safety while simplifying fuse replacement and maintenance. Its finger-safe construction and robust thermoplastic housing help protect operators while ensuring dependable performance in demanding industrial environments.
Modular construction allows multiple poles to be assembled together, making the range suitable for a wide variety of industrial control panels, switchgear and OEM equipment. Optional remote indication accessories can also be incorporated into compatible systems.
| Item number | F223519 |
|---|---|
| Catalogue No | US27NIRING |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 N Visual Indicator Ring lug IP20 |
| EAN/UPC Code | 3605340261905 |
| 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 | neutral conductor |
| Indication System | Yes |
| Indication System Type | Visual Indicator |
| Number of Poles | 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 | 39.9 mm |
| Product Length | 93.5 mm |
| Product Height | 302 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.909 kg |
| Sell Pack Width | 169.9 mm |
| Sell Pack Length | 220 mm |
| Sell Pack Height | 110 mm |
| Product group | Fuse Holders |
| Conventional Free Air thermal Current With Fuse-Links Ith | 140 A |
| Product Weight | 0.303 kg |
It is a modular fuse holder designed to securely mount 27 × 60 mm cylindrical fuse links in industrial electrical systems.
The holder is designed for 27 × 60 mm cylindrical fuse links.
The F223519 is rated for 800 V AC and 800 V DC.
Yes. It features an integrated visual blown fuse indicator for quick maintenance and fault identification.
It is commonly installed in industrial switchboards, automation panels, motor control centres, OEM machinery and power distribution equipment.
Mersen UltraSafe™ modular fuse holders are widely specified by panel builders, machine manufacturers and industrial engineers for their high safety standards, dependable performance and ease of installation.
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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...