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MERSEN FUSE ULTRASAFE 800V-125A 27MM 2P US272M2IRING
Engineered for demanding industrial applications, this UltraSafe™ fuse holder accommodates 27×60 mm UL fuses, providing reliable protection for circuits up to 800 VAC or 800 VDC with a robust 2-pole design and visual indicator microswitch.
£286.30
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.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Current | 125 A | |
| Voltage | 800 V | |
| Poles | 2-pole | |
| Fuse Size | 27x60 mm | |
| Item number | B227609 | |
| Catalogue No | US272M2IRING | |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 2-Pole Visual Indicator Microswitch Ring lug IP20 | |
| EAN/UPC Code | 3605340275759 | |
| 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 | double pole, 2 microswitches | |
| Indication System | Yes | |
| Indication System Type | Visual Indicator Microswitch | |
| Number of Poles | 2-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 | 80 mm | |
| Product Length | 93.5 mm | |
| Product Height | 302 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.303 kg | |
| Sell Pack Width | 169.9 mm | |
| Sell Pack Length | 214.9 mm | |
| Sell Pack Height | 104.9 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 |
Frequently Asked Questions
What is the Mersen B227609?
The B227609 is the Mersen US272M2IRING, a double-pole UltraSafe™ modular fuse holder designed for 27 × 60 mm cylindrical fuse links.
What voltage is the US272M2IRING rated for?
The fuse holder is rated for operation at up to 800 V AC and 800 V DC under both IEC and UL standards.
How many poles does the B227609 have?
The US272M2IRING is a double-pole modular fuse holder.
Does the B227609 include fuse indication?
Yes. It includes a visual blown-fuse indicator together with two auxiliary microswitches for remote monitoring.
What type of cable termination does it use?
The fuse holder uses secure ring-lug terminal connections for industrial wiring applications.
Can it be DIN rail mounted?
Yes. The US272M2IRING is designed for DIN rail mounting in accordance with EN 60715.
Trusted for Industrial Fuse Protection
Mersen UltraSafe™ fuse holders are trusted by OEMs, switchgear manufacturers and panel builders worldwide for reliable protection, safe installation and dependable monitoring of industrial electrical systems.
