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MERSEN FUSE CC 7,5 GRC 120 EF 0160 CC7BODKC3GRC120E160M
High-speed gR characteristic fuse rated for 750 VDC and 160 A with striker indication and open slot blades, suitable for semiconductor protection in demanding DC applications.
£397.12
Why Choose the Mersen N085204 High-Speed Semiconductor Fuse?
The Mersen N085204 (D120GC75V160EF) is a Protistor® Size 120 square body high-speed semiconductor fuse engineered to provide exceptional protection for sensitive semiconductor devices used in railway traction systems, industrial DC converters, battery energy storage systems and renewable energy applications. Designed specifically for demanding DC installations, it delivers rapid fault interruption to minimise damage to expensive power electronic components.
Rated at 160 A with a 750 V DC (IEC) voltage rating, the N085204 features a gR operating characteristic, providing both overload and short-circuit protection for semiconductor devices. It incorporates an integrated striker indicator together with open slot blade terminals for secure installation and simplified maintenance.
As part of the renowned Mersen Protistor® range, the N085204 is designed for high-performance DC equipment operating at elevated temperatures, offering low I²t characteristics, reduced power losses and dependable protection for modern power conversion systems.
Key Advantages
- High-speed gR semiconductor protection for overload and short-circuit faults.
- 160 A current rating with 750 V DC IEC operation.
- Designed for railway, industrial DC and renewable energy systems.
- Low I²t helps minimise semiconductor damage during faults.
- Integrated striker indicator for quick fuse status identification.
- Open slot blade terminals simplify installation and replacement.
Key Features
- Mersen Protistor® Size 120 semiconductor fuse.
- Manufacturer reference: N085204.
- Catalogue number: D120GC75V160EF.
- Square body ceramic construction.
- Open slot blade terminals.
- Integrated striker indication.
- DC semiconductor protection.
- RoHS compliant.
Designed for Modern Power Electronics
High-speed semiconductor fuses are specifically developed to protect IGBTs, thyristors, diodes and other sensitive semiconductor devices from damaging fault currents. Their rapid current-limiting performance helps improve equipment reliability, reduce repair costs and minimise downtime in critical electrical systems.
The Protistor® Size 120 series is particularly suited to railway auxiliary circuits, industrial power conversion equipment, battery storage installations and renewable energy systems where dependable semiconductor protection is essential.
Typical Applications
- Railway traction and auxiliary power systems.
- Industrial DC drives and converters.
- Battery energy storage systems (BESS).
- Renewable energy power conversion.
- Protection of IGBTs, thyristors and diodes.
- High-power semiconductor equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 750 V | |
| Item number | N085204 | |
| Catalogue No | D120GC75V160EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 160A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340067545 | |
| Rated voltage DC IEC | 750 V | |
| Ampere Rating | 160 A | |
| RoHS Compliant | Yes | |
| AC or DC | DC | |
| Speed/Characteristic | gR | |
| Fuse Size | 120 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 100 kA²s | |
| Melting I2t | 7.49 kA²s | |
| Max. Rated Breaking Capacity DC | 100 kA | |
| Design Details | gRC | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Open Slot Blades | |
| Product Width | 40 mm | |
| Product Length | 179.4 mm | |
| Product Height | 45 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.715 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 210 mm | |
| Sell Pack Height | 70 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.715 kg | |
| Power Dissipation at Rated Current Value | 27 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen N085204 used for?
The Mersen N085204 protects semiconductor devices used in railway systems, industrial converters, renewable energy equipment and battery energy storage systems.
What are the electrical ratings?
The fuse is rated at 160 A and 750 V DC (IEC) with a gR operating characteristic.
What does the gR operating characteristic mean?
The gR characteristic provides full-range protection for semiconductor devices, offering protection against both overloads and short-circuit faults.
Does this fuse include a blown-fuse indicator?
Yes. The N085204 includes an integrated striker indicator to provide clear visual indication following fuse operation.
Which applications is this fuse suitable for?
It is suitable for railway equipment, industrial DC converters, renewable energy installations, battery storage systems and other high-power semiconductor protection applications.
Trusted by Industry Worldwide
Mersen Protistor® semiconductor fuses are trusted globally to provide reliable protection for critical power electronic equipment operating in transportation, industrial automation, renewable energy and energy storage applications.
