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MERSEN FUSE 6,9 GRB 73 TTF 0500 6,9GRB73TTF0500
High-speed Protistor® fuse with 500A rating, 690V AC IEC compliance, featuring a striker indication system and flush ends with metric threads for secure installation.
£154.22
Why Choose the Mersen C301716 High-Speed Semiconductor Fuse?
The Mersen C301716 is an industrial high-speed semiconductor fuse intended to protect sensitive power electronic components against damaging short-circuit currents. This specialist fuse is suitable for equipment incorporating IGBTs, thyristors, SCRs, rectifier diodes and other semiconductor power modules.
High-speed semiconductor fuses operate more rapidly than conventional general-purpose fuses. Their current-limiting action helps reduce the thermal and electrical energy transferred to protected components during a fault, potentially limiting secondary damage and reducing costly equipment downtime.
The Mersen C301716 fuse may be suitable for OEM maintenance and replacement applications where its electrical ratings, utilisation category, dimensions and terminal configuration match the original component. The precise current rating, voltage rating and mechanical arrangement could not be verified from publicly available manufacturer information, so these details should be confirmed from the fuse markings or an official Mersen datasheet before installation.
Key Advantages
- High-speed protection for sensitive semiconductor components.
- Rapid fault interruption helps minimise damaging let-through energy.
- Current-limiting performance can reduce secondary equipment damage.
- Suitable for demanding industrial power-electronic applications.
- Supports reliable maintenance and replacement of critical equipment.
- Manufactured by Mersen, a specialist in electrical protection technology.
Key Features
- Mersen C301716 industrial semiconductor fuse.
- High-speed operating characteristic for power electronic equipment.
- Designed to interrupt damaging short-circuit currents rapidly.
- Suitable for protecting IGBTs, SCRs, thyristors and rectifier diodes.
- Robust construction for industrial electrical installations.
- Compatible with an appropriately rated fuse holder or busbar assembly.
- Suitable for OEM maintenance and replacement applications.
- Engineered for dependable protection of valuable power components.
Reliable Protection for Industrial Power Electronics
Power semiconductor devices can be permanently damaged by high fault currents before conventional circuit-protection devices have time to operate. High-speed semiconductor fuses are designed to clear these faults rapidly, helping to reduce the amount of damaging energy reaching sensitive electronic components.
Correct fuse selection is essential for safe and reliable operation. Any replacement should match the original current rating, voltage rating, breaking capacity, utilisation category, dimensions and terminal arrangement specified by the equipment manufacturer.
Typical Applications
- Variable frequency drives and motor controllers.
- Industrial power converters and inverter systems.
- Rectifier, thyristor and diode assemblies.
- Uninterruptible power supply equipment.
- Industrial automation and process-control systems.
- Renewable-energy power-conversion 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 | C301716 | |
| Catalogue No | PC73GB69V500TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 500A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340345629 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 500 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 73 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 280 kA²s | |
| Melting I2t | 47.3 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Design Details | Standard Terminal | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 73 mm | |
| Product Length | 74 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.22 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 1.22 kg | |
| Power Dissipation at Rated Current Value | 84 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen C301716 used for?
The Mersen C301716 is intended to provide high-speed short-circuit protection for semiconductor components installed in industrial power-electronic equipment.
Which components can the C301716 protect?
It may be used in applications containing IGBTs, thyristors, SCRs, rectifier diodes and other sensitive semiconductor power modules.
Can the C301716 replace a standard general-purpose fuse?
Only install it where its electrical ratings, operating characteristic, physical dimensions and terminal configuration match the equipment requirements. A conventional fuse may not operate quickly enough to protect semiconductor devices.
How can I verify the current and voltage ratings?
Check the markings on the original fuse and compare them with the equipment documentation or an official Mersen technical datasheet before ordering or installing a replacement.
What should be checked before installation?
Confirm the rated current, rated voltage, breaking capacity, utilisation category, body dimensions, terminal arrangement and any indicator or striker configuration.
Trusted Industrial Electrical Protection
Mersen high-speed fuses are widely used by equipment manufacturers, panel builders and maintenance engineers to protect critical semiconductor components in demanding industrial systems.
