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MERSEN FUSE CC 7,5 GRD 122 TTF 0450 CC7BODKCAGRD122TTC450M
MPN: R220953
Alt. SKU: D122GD75V450TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 450A With Striker Flush Ends Metric Threads?
Engineered for reliable protection in demanding DC applications, the D122GD75V450TF delivers rapid fault interruption up to 450A at 750VDC, conforming to IEC standards for industrial power systems. Its gR characteristic ensures full-range protection against overloads and short circuits, enhancing system uptime and equipment safety.
The robust square body design with metric thread flush ends and integrated striker simplifies installation, streamlines maintenance, and enables remote signalling for timely intervention. Choose this Protistor® fuse for high-speed, high-performance DC circuit protection in critical industrial environments.
Product Code: R220953
Key Benefits
- High-speed gR characteristic provides comprehensive protection against overloads and short circuits.
- Rated for 450A at 750VDC, suitable for demanding industrial DC applications.
- Robust ceramic body ensures durability and reliable performance under harsh conditions.
- Integrated striker indication system allows for quick fault detection and maintenance.
- Flush end silver-plated brass terminals with metric threads enable secure and easy installation.
- High breaking capacity of 100 kA ensures safe interruption of high fault currents.
Compatibility
This fuse is compatible with IEC standard fuse holders and switchgear designed for Size 122 high-speed fuses. It is ideal for use in semiconductor protection circuits and other DC power systems requiring fast and reliable fault interruption.
Applications
- Industrial DC power distribution systems
- Semiconductor and power electronics protection
- Renewable energy systems such as photovoltaic arrays
- Battery protection in large-scale energy storage
- Electric vehicle charging stations and DC traction systems
Technical Specifications
- Item number: R220953
- Catalogue No: D122GD75V450TF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 450A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340248371
- Rated voltage DC IEC: 750 V
- Ampere Rating: 450 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 122
- Mounting: Bolted
- Melting I2t: 63.5 A²s
- Max. Rated Breaking Capacity DC: 100 kA
- Design Details: gRD
- 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: 90 W
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates a full-range high-speed fuse designed to protect semiconductors and other sensitive components by interrupting both overloads and short circuits quickly.
Can this fuse be used in AC applications?
No, this fuse is specifically rated for DC applications up to 750V and is not suitable for AC circuits.
How does the striker indication system work?
The integrated striker mechanism triggers a visible indicator when the fuse operates, allowing for quick identification of a blown fuse without disassembly.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS standards, ensuring it is free from hazardous substances.
Common Search Terms
high-speed DC fuse, Protistor fuse 450A, Size 122 fuse, gR fuse 750VDC, semiconductor protection fuse, striker indication fuse, ceramic body fuse, flush end fuse, bolted mounting fuse, industrial DC fuse
| Manufacturer Part Number | R220953 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340248371 |
| Height | 131mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GD75V450TF |
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