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MERSEN FUSE CC 7,5 GRD 122 EF 0450 D122GD75V450EF
MPN: P220951
Alt. SKU: D122GD75V450EF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 450A With Striker Open Slot Blades D122GD75V450EF?
This high-speed fuse delivers reliable circuit protection for demanding DC applications up to 750VDC and 450A, ensuring rapid fault interruption and minimal equipment downtime. The gR characteristic guarantees full-range protection for both overloads and short-circuits, meeting stringent IEC standards.
Featuring striker technology and open slot blades for enhanced safety and straightforward integration, the D122GD75V450EF supports immediate indication of operation and easy system installation, making it ideal for industrial power conversion and protection of sensitive components.
Product Code: P220951
Key Benefits
- High-speed interruption for rapid fault clearance
- Full-range gR characteristic for comprehensive protection
- Striker indication system for immediate fault signalling
- Open slot blades enable easy and secure mounting
- Ceramic body ensures durability and high insulation
- Silver-plated copper terminals for excellent conductivity
Compatibility
The D122GD75V450EF fuse is compatible with industrial DC power systems requiring up to 750V and 450A ratings. Its bolted mounting and open slot blade terminals make it suitable for integration into a wide range of semiconductor protection fuse holders and assemblies designed for high-speed fuse applications.
Applications
- Industrial power conversion equipment
- Protection of sensitive semiconductor devices
- DC motor drives and controllers
- Renewable energy systems such as solar inverters
- Battery protection in energy storage systems
Technical Specifications
- Item number: P220951
- Catalogue No: D122GD75V450EF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 450A With Striker Open Slot Blades
- EAN/UPC Code: 3605340248357
- 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 kA²s
- Max. Rated Breaking Capacity DC: 100 kA
- Design Details: gRD
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Open Slot Blades
- Product Width: 59 mm
- Product Length: 206.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.3 kg
- Sell Pack Width: 130 mm
- Sell Pack Length: 264 mm
- Sell Pack Height: 95 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.3 kg
- Power Dissipation at Rated Current Value: 90 W
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates that the fuse provides full-range protection against both overloads and short-circuits, making it suitable for semiconductor protection.
Can this fuse be used in AC applications?
No, this fuse is designed specifically for DC applications up to 750V as per its specifications.
What is the purpose of the striker indication system?
The striker indication system provides a mechanical signal when the fuse has operated, allowing for quick visual fault detection and maintenance.
Is this fuse RoHS compliant?
Yes, the D122GD75V450EF fuse complies with RoHS standards, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, DC fuse 750V, semiconductor protection fuse, gR fuse 450A, striker fuse indicator, open slot blade fuse, size 122 fuse, Protistor fuse, bolted mount fuse, ceramic body fuse
| Manufacturer Part Number | P220951 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340248357 |
| Height | 206.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GD75V450EF |
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