Why Choose the Mersen B227609 UltraSafe™ US272M2IRING Fuse Holder?
The Mersen B227609, catalogue number US272M2IRING, is a premium UltraSafe™ modular fuse holder designed for 27 × 60 mm cylindrical fuse links. This double-pole fuse holder incorporates two auxiliary microswitches, a visual blown-fuse indicator and ring-lug terminal connections, making it an ideal solution for industrial power distribution and semiconductor protection systems.
Engineered for operation at up to 800 V AC and 800 V DC, the US272M2IRING forms part of Mersen's renowned Modulostar® CMS27 / UltraSafe™ US27 range. Its IP20 finger-safe construction protects operators during installation and fuse replacement while offering reliable performance in demanding industrial environments.
With a 140 A conventional free-air thermal current rating, DIN rail mounting and integrated remote indication capability, the B227609 is ideally suited to motor drives, UPS systems, converters, renewable energy equipment and industrial automation panels where rapid fault identification and dependable protection are essential.
Key Advantages
- Designed for 27 × 60 mm cylindrical fuse links.
- Double-pole modular construction.
- 800 V AC / 800 V DC IEC and UL rated.
- 140 A thermal current rating.
- Integrated visual blown-fuse indicator.
- Two auxiliary microswitches for remote monitoring.
- Secure ring-lug terminal connections.
- IP20 finger-safe design.
- DIN rail mounting for quick installation.
Key Features
- Mersen UltraSafe™ US27 modular fuse holder.
- Item number: B227609.
- Catalogue number: US272M2IRING.
- Double-pole configuration.
- Compatible with 27 × 60 mm fuse links.
- 800 V AC/DC insulation rating.
- Integrated visual blown-fuse indication.
- Two factory-fitted auxiliary microswitches.
- Ring-lug cable connections.
- High-strength thermoplastic construction.
- RoHS and REACH compliant.
Designed for Reliable Industrial Protection
The Mersen US272M2IRING is engineered to provide dependable support for cylindrical semiconductor and industrial fuse links while maximising operator safety. Its enclosed IP20 design minimises accidental contact with live components, even during fuse replacement, making it suitable for modern industrial control systems.
The integrated visual indication and dual auxiliary microswitches allow both local and remote monitoring of fuse status, enabling faster diagnostics and reducing maintenance downtime across critical power distribution equipment.
Typical Applications
- Industrial control panels.
- Power converters.
- Variable speed drives.
- UPS systems.
- Renewable energy inverters.
- Motor control centres.
- Semiconductor protection systems.
- Industrial power distribution equipment.