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MERSEN FUSE US273I PLAGE TYPE B US273IRING
Robust 3-pole fuse holder supporting 800VAC and 800VDC circuits with visual indicator and ring lug terminals, rated IP20 for safe operation.
£280.06
Why Choose the Mersen D223517 UltraSafe Fuse Holder?
The Mersen D223517, also identified by catalogue number US273IRING, is a robust three-pole UltraSafe™ modular fuse holder designed for 27 × 60 mm cylindrical fuse links. Part of the Mersen Modulostar® CMS27 / UltraSafe™ US27 range, it provides reliable overcurrent protection support for demanding industrial power conversion, automation and electrical distribution systems.
Designed for circuits operating at up to 800 V AC or DC, the D223517 combines a finger-safe IP20 construction with a visual blown-fuse indicator. Its modular format helps simplify fuse replacement and routine maintenance while reducing the risk of accidental contact with live components.
The three-pole configuration is suitable for three-phase electrical systems, while the ring-lug terminal arrangement provides a secure electrical connection in industrial installations. DIN rail compatibility makes the fuse holder straightforward to integrate into control panels, switchboards, inverter systems and power distribution assemblies.
Key Advantages
- Three-pole UltraSafe™ fuse holder for three-phase circuits.
- Suitable for 27 × 60 mm cylindrical fuse links.
- Rated for systems up to 800 V AC and 800 V DC.
- Finger-safe IP20 protection supports safer handling and maintenance.
- Integrated visual blown-fuse indicator.
- Ring-lug terminals provide secure industrial connections.
- DIN rail mounting supports efficient control-panel installation.
- Durable flame-retardant construction for demanding environments.
Key Features
- Mersen Modulostar® CMS27 / UltraSafe™ US27 series.
- Three-pole fuse-holder design.
- 140 A conventional free-air thermal current rating.
- 800 V AC/DC rated voltage.
- 8 kV rated impulse withstand voltage.
- IP20 degree of protection.
- Visual fuse-status indication.
- Ring-lug terminal connection.
- DIN rail mounting in accordance with EN 60715.
- Suitable for semiconductor protection applications.
Reliable Protection for High-Power Electrical Circuits
The Mersen D223517 securely houses compatible 27 × 60 mm fuse links used to protect electrical equipment against damaging overcurrent and short-circuit conditions. Its 800 V AC/DC rating makes it particularly well suited to industrial power conversion and semiconductor protection systems.
The finger-safe modular design helps improve operator protection during fuse inspection and replacement. An integrated visual indicator allows maintenance personnel to identify an operated fuse more quickly, helping reduce fault-finding time and equipment downtime.
Typical Applications
- Industrial inverter and converter systems.
- Uninterruptible power supply equipment.
- Variable-speed motor drives.
- Semiconductor protection circuits.
- Three-phase industrial control panels.
- Power distribution and switchgear assemblies.
- Renewable energy conversion equipment.
- Automation and machine-control systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Visual indicator | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Fuse Size | 27x60 mm | |
| Voltage | 800 V | |
| Item number | D223517 | |
| Catalogue No | US273IRING | |
| Description | Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 3-Pole Visual Indicator Ring lug IP20 | |
| EAN/UPC Code | 3605340261875 | |
| 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 | 302 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.303 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 |
Frequently Asked Questions
What is the Mersen D223517 used for?
The Mersen D223517 is used to hold and provide safe access to three 27 × 60 mm cylindrical fuse links in industrial three-phase AC or DC circuits.
What voltage can the Mersen D223517 support?
The fuse holder is rated for circuits operating at up to 800 V AC or 800 V DC.
What fuse size fits the D223517?
The D223517 is designed for compatible 27 × 60 mm cylindrical fuse links.
Does the Mersen D223517 include fuse indication?
Yes. It includes a visual blown-fuse indicator to help maintenance personnel identify an operated fuse.
How is the D223517 installed?
The fuse holder is designed for installation on a DIN rail in accordance with EN 60715 and uses ring-lug terminal connections.
Trusted Industrial Circuit Protection
Mersen Modulostar® and UltraSafe™ fuse holders are engineered to provide dependable fuse mounting, safer maintenance access and reliable protection support in industrial power and automation systems.
