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MERSEN FUSE CC 7,5 GRC 122 TTF 0315 D122GC75V315TF
MPN: M085249
Alt. SKU: D122GC75V315TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 315A With Striker Flush Ends Metric Threads D122GC75V315TF?
Engineered for demanding DC protection in industrial and renewable applications, this Protistor® fuse delivers rapid fault clearing with a gR characteristic, ensuring optimal protection for sensitive power electronics and semiconductor devices. The robust size 122 square body design supports 315A at up to 750VDC, meeting IEC standards for reliability and operational safety.
Featuring striker with flush ends and metric threads, it enables easy installation and reliable signalling for remote fuse indication. Choose D122GC75V315TF (SKU M085249) for enhanced system uptime and trusted overcurrent protection in mission-critical environments.
Technical Specifications
- Item number: M085249
- Catalogue No: D122GC75V315TF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 315A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340067712
- Rated voltage DC IEC: 750 V
- Ampere Rating: 315 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 122
- Mounting: Bolted
- Melting I2t: 30.06 kA²s
- Max. Rated Breaking Capacity DC: 100 kA
- Design Details: gRC
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 59 mm
- Product Length: 131 mm
- Product Height: 63 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.43 kg
- Sell Pack Width: 130 mm
- Sell Pack Length: 200 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.43 kg
- Power Dissipation at Rated Current Value: 58 W
Product Code: M085249
Key Benefits
- High-speed gR characteristic for rapid fault clearing and semiconductor protection.
- Robust size 122 square body design for reliable operation at 315A and 750VDC.
- Striker indication system with flush ends and metric threads for easy installation and remote signalling.
- Silver-plated brass terminals ensure excellent conductivity and corrosion resistance.
- Compliant with IEC standards and RoHS directives for safety and environmental compliance.
Compatibility
This fuse is compatible with industrial DC power systems requiring high-speed semiconductor protection, including renewable energy installations, electric vehicle charging stations, and power electronics circuits that demand reliable overcurrent interruption at 750VDC and 315A ratings.
Applications
- Photovoltaic (solar) power systems
- Electric vehicle (EV) charging infrastructure
- Industrial DC motor drives
- Power semiconductor protection
- Battery energy storage systems
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates a high-speed fuse designed to protect semiconductor devices by rapidly clearing faults without damaging sensitive components.
Can this fuse be used in AC applications?
No, this specific fuse is rated for DC applications up to 750V and is not suitable for AC circuits.
What is the purpose of the striker indication system?
The striker provides a mechanical indication when the fuse operates, enabling remote signalling for easier maintenance and fault detection.
Are replacement fuses with the same specifications available?
Yes, replacement fuses with identical ratings and characteristics can be sourced using the product code M085249 or catalogue number D122GC75V315TF.
Common Search Terms
High-speed DC fuse, Protistor fuse size 122, 315A 750VDC fuse, semiconductor protection fuse, gR fuse with striker, flush end fuse, industrial DC fuse, renewable energy fuse, battery system fuse
| Manufacturer Part Number | M085249 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340067712 |
| Height | 131mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GC75V315TF |
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