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MERSEN FUSE 6,9 GRB 71 TTF 0350 PC71GB69V350TF
Protistor® high-speed fuse with 690 V AC rating, 350 A current rating, size 71, gR characteristic, ceramic body, and striker indication system with flush end silver-plated brass terminals.
£106.08
Why Choose the Mersen V301318 High-Speed Semiconductor Fuse?
The Mersen V301318 is an industrial high-speed semiconductor fuse intended to protect sensitive power electronic components against damaging short-circuit currents. Its rapid fault-clearing performance helps restrict the thermal and electrical energy transferred to valuable semiconductor devices, supporting reliable operation and reducing the risk of extensive equipment damage.
High-speed fuses operate considerably faster than conventional general-purpose fuses. This makes the V301318 suitable for semiconductor-based equipment containing components such as IGBTs, thyristors, power diodes and rectifier assemblies used within industrial drives, converters, inverters and power-control systems.
The Mersen V301318 is designed for integration into compatible industrial electrical equipment, fuse mounting systems and OEM assemblies. Its precise current rating, voltage rating, operating class, terminal arrangement and physical dimensions should be confirmed against the official Mersen product documentation and the requirements of the original equipment before installation.
Key Advantages
- High-speed fuse designed for semiconductor protection.
- Rapid short-circuit interruption helps protect sensitive electronic components.
- Low let-through energy helps reduce thermal and electrical stress.
- Suitable for demanding industrial power conversion applications.
- Supports dependable protection of high-value power electronic equipment.
- Suitable for OEM installations, maintenance and replacement applications.
Key Features
- Mersen high-speed semiconductor fuse.
- Manufacturer reference V301318.
- Fast-acting protection against damaging fault currents.
- Designed for use with semiconductor-based power equipment.
- Helps limit the fault energy reaching protected components.
- Industrial construction for demanding electrical environments.
- Compatible with appropriately rated fuse mounting equipment.
- Suitable for industrial maintenance and original equipment applications.
Reliable Protection for Power Electronic Equipment
Power semiconductor devices can suffer permanent damage within milliseconds when exposed to excessive fault current. High-speed semiconductor fuses are engineered to interrupt these currents rapidly, reducing the amount of destructive energy reaching the protected components and helping prevent extended downtime or secondary equipment damage.
Correct fuse coordination is essential for dependable protection. The verified characteristics of the Mersen V301318 must be matched to the system voltage, continuous operating current, prospective short-circuit current and energy-withstand limits of the semiconductor devices being protected.
Typical Applications
- Variable frequency drives and industrial motor controls.
- Industrial power converters and rectifier systems.
- Uninterruptible power supply equipment.
- Industrial inverters and power supplies.
- Renewable energy conversion systems.
- Automation and production machinery.
- OEM semiconductor-based power equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 690 V | |
| Item number | V301318 | |
| Catalogue No | PC71GB69V350TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 350A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340339635 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 350 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 71 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 140 kA²s | |
| Melting I2t | 23.2 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 51 mm | |
| Product Length | 74 mm | |
| Product Height | 56.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.542 kg | |
| Sell Pack Width | 90 mm | |
| Sell Pack Length | 170 mm | |
| Sell Pack Height | 70 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.514 kg | |
| Power Dissipation at Rated Current Value | 58 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen V301318 used for?
The Mersen V301318 is intended to provide rapid short-circuit protection for sensitive semiconductor components installed in industrial power electronic equipment.
Which components can the V301318 help protect?
It is suitable for applications containing power semiconductor components such as IGBTs, thyristors, power diodes and rectifier assemblies, subject to correct fuse coordination.
Is the Mersen V301318 a general-purpose fuse?
The V301318 is intended for specialised high-speed semiconductor protection and should only be installed when its verified electrical characteristics match the equipment requirements.
How should a replacement V301318 fuse be selected?
Confirm the complete manufacturer reference and compare the current rating, voltage rating, operating class, breaking capacity, dimensions and terminal arrangement with the original fuse and equipment documentation.
Where is the Mersen V301318 commonly installed?
It may be installed in compatible industrial drives, converters, inverters, UPS equipment and other semiconductor-based power systems.
Trusted Industrial Circuit Protection
Mersen high-speed fuses are used in industrial power electronic systems where rapid fault interruption, low let-through energy and dependable semiconductor protection are essential.
