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MERSEN FUSE MS 7V 1-5 UR MS7V1-5UR

MERSEN FUSE MS 7V 1-5 UR MS7V1-5UR

Why Choose the MERSEN FUSE MS 7V 1-5 UR MS7V1-5UR?

SKU: Z310039Alt SKU: MS7V1-5URMPN: Z310039
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Why Choose the Mersen Z310039 Microswitch for Protistor® Fuse-Links?

The Mersen Z310039 (catalogue designation MS7V1-5UR) is a genuine microswitch accessory for Mersen Protistor® fuse-links. Designed for use with Protistor® fuse sizes 70, 71, 72 and 73, it provides remote indication of fuse operation, allowing maintenance personnel and control systems to monitor fuse status without direct visual inspection.

Engineered for demanding industrial environments, the MS7V1-5UR features a standard NO/NC contact configuration with manual reset capability. It is suitable for applications where fast fault indication helps reduce equipment downtime and simplifies maintenance procedures.

As an original Mersen accessory, the Z310039 is specifically designed for compatibility with selected Protistor® semiconductor fuse-links, ensuring reliable operation and seamless integration with industrial electrical protection systems.

Key Advantages

  • Genuine Mersen MS7V1-5UR microswitch accessory.
  • Manufacturer part number Z310039.
  • Compatible with Protistor® fuse sizes 70, 71, 72 and 73.
  • Provides remote fuse status indication.
  • Standard NO/NC switching contacts.
  • Manual reset mechanism for repeated operation.
  • Supports preventative maintenance and system diagnostics.
  • Designed for demanding industrial applications.

Key Features

  • Manufacturer: Mersen
  • Catalogue designation: MS7V1-5UR
  • Manufacturer part number: Z310039
  • Accessory for Protistor® semiconductor fuse-links.
  • Compatible with fuse sizes 70–73.
  • Standard NO/NC indication system.
  • Manual reset operation.
  • Suitable for remote signalling circuits.

Reliable Fuse Status Monitoring

The Mersen Z310039 microswitch enables continuous monitoring of Protistor® fuse status by providing electrical signalling when the fuse striker operates. This allows integration with alarm systems, PLCs and control circuits, improving maintenance efficiency and reducing unexpected downtime in industrial installations.

Typical Applications

  • Semiconductor protection systems.
  • Variable speed drives.
  • Industrial power converters.
  • UPS systems.
  • Power distribution equipment.
  • Motor control centres.
  • Industrial automation panels.
  • OEM electrical equipment.

Technical Specifications

Manufacturer Mersen
Model MS7V1-5UR
Manufacturer Part Number Z310039
Product Type Fuse microswitch accessory
Compatible Fuse Sizes 70, 71, 72, 73
Rated Voltage (IEC) 1500 V AC
Rated Current 10 A
AC Withstand Voltage 12 kV
Impulse Withstand Voltage (Uimp) 20 kV
Contact Configuration Standard NO/NC
Minimum Switching Load 20 V, 100 mA
Breaking Capacity (Non-Inductive) 8 A @ 30 V, 0.4 A @ 110 V, 0.2 A @ 250 V
Breaking Capacity (Inductive L/R=25 ms) 4 A @ 30 V, 0.2 A @ 110 V, 0.1 A @ 250 V
Weight Approximately 45 g
Device Type Accessory
Fuse Type Semiconductor
Current 10 A
Voltage 1500 V

Frequently Asked Questions

What is the Mersen Z310039?

The Z310039 is the Mersen MS7V1-5UR microswitch accessory designed for Protistor® fuse-links to provide remote fuse status indication.

Which fuse sizes is the Z310039 compatible with?

It is designed for Mersen Protistor® fuse sizes 70, 71, 72 and 73.

What contact configuration does the microswitch use?

The MS7V1-5UR uses a standard normally open/normally closed (NO/NC) contact arrangement.

Can the microswitch be manually reset?

Yes. The Z310039 features a manual reset mechanism after fuse operation.

Where is the Z310039 typically installed?

It is commonly used on Protistor® semiconductor fuse-links in industrial drives, converters, UPS systems, switchgear and power distribution equipment.

Trusted by Industrial Electrical Professionals

Mersen Protistor® accessories are trusted worldwide for reliable semiconductor protection and dependable monitoring of critical industrial electrical systems.

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