Why Choose the Mersen Y310038 Microswitch?
The Mersen Y310038 (MS3V1-5UR) is a high-quality auxiliary microswitch designed for use with Mersen Protistor® square body semiconductor fuse-links in sizes 30 to 33. It provides reliable remote indication of fuse operation, allowing maintenance personnel and automation systems to quickly identify blown fuses and minimise equipment downtime.
Designed for industrial power systems, the MS3V1-5UR mounts directly onto compatible Protistor® fuse-links fitted with a striker. The switch incorporates both normally open (NO) and normally closed (NC) contacts, making it suitable for monitoring circuits, alarms, PLC inputs and machine control systems.
With a 1000 V AC insulation rating, 10 A switching capacity and robust industrial construction, the Y310038 provides dependable indication performance in demanding environments including motor drives, power converters, UPS systems and renewable energy installations.
Key Advantages
- Designed specifically for Mersen Protistor® fuse-links.
- Provides remote blown fuse indication.
- NO and NC contacts for flexible control integration.
- 10 A switching capacity for industrial control circuits.
- Simple installation onto compatible fuse striker mechanisms.
- Helps reduce maintenance time and improve system availability.
Key Features
- Mersen catalogue number: MS3V1-5UR.
- Item number: Y310038.
- Compatible with Protistor® fuse sizes 30, 31, 32 and 33.
- Standard NO/NC contact arrangement.
- 1000 V AC rated insulation voltage.
- 10 A rated current.
- Minimum switching voltage/current of 20 V / 100 mA.
- Industrial-grade compact design.
Reliable Remote Fuse Monitoring
Auxiliary microswitches provide immediate electrical indication when a semiconductor fuse operates. This allows PLCs, HMIs and supervisory control systems to detect fuse failures without requiring manual inspection, improving safety and reducing production downtime.
The Mersen MS3V1-5UR is engineered for dependable operation alongside Protistor® semiconductor fuse-links and is widely used by machine builders, panel manufacturers and industrial maintenance engineers seeking reliable monitoring of critical power protection systems.
Typical Applications
- Variable frequency drives.
- Industrial motor control panels.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy power electronics.
- Industrial automation and monitoring systems.
