Mersen P331167 UltraSafe US222M2 modular 2-pole fuse holder for 22 x 58 mm fuse links with dual microswitches, DIN rail mounting and IP20 finger-safe protection.
£88.79
The Mersen P331167 is a high-performance UltraSafe™ US222M2 modular fuse holder designed to provide safe, reliable protection for industrial electrical distribution and control systems. Engineered for use with 22 × 58 mm fuse links, this robust two-pole fuse holder combines excellent electrical performance with enhanced operator safety through its finger-safe IP20 construction.
Part of the trusted Mersen UltraSafe™ US22 series, the P331167 features two integrated microswitches for remote fuse status monitoring and system signalling. Its durable thermoplastic construction, pressure plate terminals and modular DIN rail mounting make installation straightforward while ensuring long-term reliability in demanding industrial environments.
Suitable for applications up to 690 V AC IEC, 800 V AC UL and 1000 V DC UL, with a 125 A thermal current rating, the P331167 provides dependable overcurrent protection for machinery, industrial panels, renewable energy installations and OEM equipment where safe fuse isolation and monitoring are essential.
The Mersen UltraSafe™ US22 range is designed to simplify fuse installation while maximising operator safety. The finger-safe IP20 construction protects against accidental contact with live components, even during fuse replacement, helping improve maintenance safety and reduce downtime.
With integrated microswitches for remote monitoring, the P331167 enables automation systems to detect fuse status quickly, making it well suited to modern industrial control panels, OEM machinery and critical power distribution systems where rapid fault identification is essential.
| Manufacturer | Mersen |
|---|---|
| Series | UltraSafe™ US22 |
| Model | US222M2 |
| Part Number | P331167 |
| Product type | Modular fuse holder |
| Fuse size | 22 × 58 mm |
| Number of poles | 2 |
| Microswitches | 2 integrated |
| Rated voltage (IEC) | 690 V AC |
| Rated voltage (UL) | 800 V AC / 1000 V DC |
| Rated frequency | 50 / 60 Hz |
| Thermal current (Ith) | 125 A |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Terminal type | Pressure plate connection |
| Approximate weight | 0.46 kg |
| HS Code | 85361090 |
| Country of Manufacture | Tunisia |
The P331167 is a modular two-pole fuse holder designed to securely mount and protect 22 × 58 mm industrial fuse links in electrical distribution and control systems.
It is designed specifically for 22 × 58 mm fuse links.
Yes. It incorporates two integrated microswitches for remote monitoring and signalling of fuse status.
The holder has a conventional thermal current rating of 125 A when used with the appropriate fuse links.
The P331167 is designed for convenient DIN rail mounting, making it ideal for industrial control panels and switchboards.
Mersen UltraSafe™ fuse holders are trusted by OEMs, machine builders and industrial panel manufacturers for delivering dependable overcurrent protection, enhanced safety and reliable performance in demanding electrical installations.
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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...