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MERSEN FUSE CC 7,5 GRC 120 EF 0125 R086242
MPN: R086242
Alt. SKU: D120GC75V125EF
Why Choose the Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 125A With Striker Open Slot Blades D120GC75V125EF?
This high-speed fuse is engineered for reliable protection of power electronic equipment up to 750VDC, ensuring swift interruption of fault currents and minimising equipment downtime. Its gR characteristic enables full-range protection for both overloads and short-circuit conditions, ideal for demanding industrial and renewable applications.
The robust square body design and open slot blades provide superior thermal and mechanical stability, while the integrated striker mechanism allows for easy visual indication and remote signalling of fuse operation. Compliant with IEC standards, this fuse guarantees enhanced operational safety and system integrity.
Technical Specifications
- Item number: R086242
- Catalogue No: D120GC75V125EF
- Description: Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 125A With Striker Open Slot Blades
- EAN/UPC Code: 3605340074017
- Rated voltage DC IEC: 750 V
- Ampere Rating: 125 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 120
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 62.5 kA²s
- Melting I2t: 4.685 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: 21 W
Product Code: R086242
Key Benefits
- High-speed interruption for enhanced protection of sensitive power electronics.
- gR characteristic offers comprehensive protection against overloads and short circuits.
- Robust ceramic square body ensures mechanical and thermal stability.
- Integrated striker mechanism provides clear visual and remote indication of fuse operation.
- Complies with IEC standards for guaranteed safety and reliability.
- Silver-plated copper open slot blades enable secure and efficient bolted mounting.
Compatibility
This fuse is compatible with industrial and renewable energy systems requiring DC protection up to 750V. It is suitable for use in semiconductor protection applications, power converters, and other high-performance electrical equipment designed to operate with bolted mounting fuse holders that accept size 120 fuses with open slot blade terminals.
Applications
- Protection of power electronic devices in photovoltaic inverters and renewable energy systems.
- Industrial motor drives and variable frequency drives.
- Semiconductor protection in power converters and rectifiers.
- Battery energy storage systems requiring high-speed DC protection.
- Electrical systems in rail transport and traction applications.
Frequently Asked Questions
What does the gR characteristic mean for this fuse?
The gR characteristic indicates that the fuse provides full-range protection, covering both overload and short-circuit conditions, making it suitable for semiconductor and power electronic applications.
Can this fuse be used in AC circuits?
No, this fuse is specifically designed for DC applications up to 750V and is not suitable for AC circuits.
How does the striker indication system work?
The striker mechanism provides a visual indication when the fuse has operated by physically moving or ejecting a striker, which can also be connected to remote signalling devices for fault monitoring.
Is this fuse RoHS compliant?
Yes, this fuse complies with RoHS directives, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, DC fuse 750V, semiconductor protection fuse, size 120 fuse, gR fuse, protistor fuse, striker indication fuse, bolted mounting fuse, open slot blade fuse, power electronic fuse
| Manufacturer Part Number | R086242 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340074017 |
| Height | 179.4mm |
| Width | 40mm |
| Depth | 45mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | D120GC75V125EF |
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