Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE MS 7V 1-5 MS7V1-5
Why Choose the MERSEN FUSE MS 7V 1-5 MS7V1-5?
£14.64
Why Choose the Mersen J310002 MS7V1-5 Fuse Microswitch?
The Mersen J310002 (MS7V1-5) is a high-quality fuse microswitch accessory designed for use with Mersen Protistor® square body semiconductor fuses in sizes 70 to 73. It provides reliable remote indication of fuse operation, allowing maintenance teams and control systems to detect a blown fuse quickly and improve equipment availability.
Developed for industrial power distribution and semiconductor protection systems, the MS7V1-5 integrates directly with compatible Protistor® fuse links using the built-in striker mechanism. Its robust construction and dependable switching performance make it ideal for industrial automation, motor drives, UPS systems and power conversion equipment.
Rated for 1500 V AC insulation and 10 A switching current, the J310002 provides a standard NO-NC contact arrangement for signalling fuse status to PLCs, alarms and monitoring systems.
Key Advantages
- Provides reliable remote indication of fuse operation.
- Designed specifically for Mersen Protistor® fuse links.
- Standard NO-NC contact configuration.
- Compatible with square body fuse sizes 70, 71, 72 and 73.
- Quick installation using the fuse striker mechanism.
- Helps reduce maintenance time and improve system availability.
Key Features
- Mersen MS7V1-5 fuse microswitch.
- Reference number J310002.
- For Protistor® fuse sizes 70 to 73.
- Standard normally open / normally closed (NO-NC) contacts.
- 1500 V AC rated insulation voltage.
- 10 A rated current.
- Designed for striker-operated fuse indication.
- Compact industrial construction.
- Approximate weight: 45 g.
Reliable Remote Fuse Status Monitoring
Fuse microswitches provide immediate electrical indication when a compatible fuse operates. By sending a signal to a PLC, alarm system or supervisory controller, maintenance personnel can quickly identify blown fuses and restore equipment with minimal downtime.
The Mersen MS7V1-5 is engineered specifically for Protistor® square body semiconductor fuses, ensuring dependable operation in demanding industrial environments where reliable fault indication is essential.
Typical Applications
- Variable speed drives.
- Power converters.
- Industrial UPS systems.
- Motor control centres.
- Renewable energy converters.
- Industrial automation systems.
- Semiconductor protection panels.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Accessory | |
|---|---|---|
| Current | 10 A | |
| Manufacturer | Mersen | |
| Series | Protistor® Accessories | |
| Model | MS7V1-5 | |
| Part number | J310002 | |
| Product type | Fuse microswitch | |
| Compatible fuse sizes | 70, 71, 72 and 73 | |
| Contact configuration | Standard NO-NC | |
| Rated insulation voltage | 1500 V AC | |
| Rated current | 10 A | |
| Operating method | Fuse striker operated | |
| Weight | Approximately 45 g |
Frequently Asked Questions
What is the Mersen J310002 used for?
It provides remote electrical indication when a compatible Protistor® fuse has operated.
Which fuse sizes is it compatible with?
The MS7V1-5 is designed for Mersen Protistor® square body fuse sizes 70, 71, 72 and 73.
What contact arrangement does it use?
The microswitch provides a standard normally open and normally closed (NO-NC) contact configuration.
How is the microswitch activated?
It is mechanically operated by the striker mechanism built into compatible Protistor® semiconductor fuses.
Where is this accessory typically installed?
It is commonly fitted to semiconductor fuse installations in industrial drives, converters, UPS systems and automation equipment requiring remote fuse status indication.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® fuse accessories are widely used by OEMs and maintenance engineers to provide dependable fuse monitoring and improve reliability across industrial power systems.
