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MERSEN FUSE MS 3V 1-5 UR MS3V1-5UR
Why Choose the MERSEN FUSE MS 3V 1-5 UR MS3V1-5UR?
£14.64
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.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Current | 10 A | |
| Manufacturer | Mersen | |
| Series | Protistor® Accessories | |
| Model | Y310038 | |
| Catalogue number | MS3V1-5UR | |
| Product type | Fuse auxiliary microswitch | |
| Compatible fuse sizes | 30, 31, 32 and 33 | |
| Rated insulation voltage | 1000 V AC | |
| Rated current | 10 A | |
| Contact configuration | Normally Open / Normally Closed (NO/NC) | |
| Minimum operating voltage/current | 20 V / 100 mA | |
| Impulse withstand voltage | 14 kV | |
| Weight | Approximately 34 g |
Frequently Asked Questions
What is the Mersen Y310038 used for?
The Y310038 is an auxiliary microswitch that provides remote indication when a compatible Protistor® semiconductor fuse has operated.
Which fuse sizes is it compatible with?
It is designed for Mersen Protistor® square body fuse sizes 30, 31, 32 and 33.
What contact configuration does it provide?
The microswitch includes both normally open (NO) and normally closed (NC) contacts for flexible integration into industrial control systems.
What is the electrical rating?
The switch has a 1000 V AC insulation rating and a 10 A rated current for industrial control applications.
Where is this accessory commonly used?
It is commonly installed on semiconductor fuse-links used in motor drives, converters, UPS equipment and industrial automation systems.
Trusted for Industrial Power Monitoring
Mersen Protistor® accessories are trusted by panel builders and industrial engineers worldwide to provide dependable fuse status indication and improve maintenance efficiency in critical power electronic systems.
