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MERSEN FUSE CC 7,5 GRD 122 EF 0500 D122GD75V500EF
MPN: Q220952
Alt. SKU: D122GD75V500EF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 500A With Striker Open Slot Blades D122GD75V500EF?
Engineered for demanding DC applications, this 500A Protistor® fuse offers rapid response and high reliability, ensuring optimal protection of sensitive power electronics operating at up to 750VDC. Its open slot blades and integrated striker facilitate easy installation and reliable fuse status indication, streamlining maintenance processes.
Tested to IEC standards, the robust square body design delivers excellent thermal and electrical performance in industrial environments. Ideal for engineers seeking dependable, high-interrupting capacity solutions for power conversion, battery protection, and DC circuits.
Technical Specifications
- Item number: Q220952
- Catalogue No: D122GD75V500EF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 500A With Striker Open Slot Blades
- EAN/UPC Code: 3605340248364
- Rated voltage DC IEC: 750 V
- Ampere Rating: 500 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 122
- Mounting: Bolted
- Melting I2t: 103 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: 95 W
Product Code: Q220952
Key Benefits
- High-speed gR characteristic ensures rapid and reliable protection for sensitive DC circuits.
- Robust ceramic square body design provides excellent thermal and electrical durability.
- Open slot blades with silver-plated copper terminals enable secure and low-resistance connections.
- Integrated striker indication system simplifies fuse status monitoring and maintenance.
- Tested and compliant with IEC standards for guaranteed performance and safety.
- High breaking capacity of 100 kA DC suitable for demanding industrial applications.
Compatibility
This fuse is compatible with Size 122 fuse holders and bolted mounting systems designed for high-speed semiconductor protection fuses. It is suitable for integration in DC power conversion equipment, battery protection circuits, and industrial electrical panels requiring 750V DC fuse protection.
Applications
- Power conversion and inverter systems
- Battery protection in renewable energy installations
- Industrial DC motor drives and controllers
- Semiconductor protection in high-current DC circuits
- Electrical panels and switchgear for DC power systems
Frequently Asked Questions
What does the gR speed characteristic mean?
The gR characteristic indicates a high-speed fuse designed to protect semiconductor devices by clearing faults rapidly, reducing damage to sensitive components.
Is this fuse suitable for AC applications?
No, this specific fuse is rated for DC applications only, up to 750V DC.
How does the striker indication system work?
The striker mechanism provides a visual indication when the fuse has operated (blown), allowing for quick identification and replacement.
Can this fuse be used in renewable energy systems?
Yes, it is ideal for battery protection and power conversion in renewable energy applications such as solar and wind power systems.
Common Search Terms
high-speed DC fuse, Protistor fuse 500A, size 122 fuse, 750VDC semiconductor fuse, gR fuse with striker, bolted mounting fuse, industrial DC fuse, ceramic body fuse, open slot blade fuse
| Manufacturer Part Number | Q220952 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340248364 |
| Height | 206.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GD75V500EF |
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