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MERSEN FUSE CC 7,5 GRC 122 EF 0250 D122GC75V250EF
MPN: A087331
Alt. SKU: D122GC75V250EF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 250A With Striker Open Slot Blades D122GC75V250EF?
Engineered for demanding DC protection, this 250A Protistor® high-speed fuse offers reliable safeguarding for power electronics and battery systems rated up to 750VDC. Its innovative gR curve ensures full-range protection against overcurrents, minimising risk to critical components.
The integrated striker mechanism and open slot blade terminals facilitate fast, secure installation while enabling remote status indication. Manufactured to IEC standards, it provides assured performance in industrial and renewable energy applications requiring high interrupting capacity and operational safety.
Product Code: A087331
Key Benefits
- High-speed gR characteristic ensures comprehensive protection for semiconductor devices.
- Rated for 750 VDC and 250 A, suitable for demanding DC applications.
- Integrated striker mechanism enables remote status indication for enhanced safety.
- Open slot blade terminals allow quick and secure bolted mounting.
- Manufactured to IEC standards, guaranteeing quality and reliability.
- Ceramic body provides excellent insulating properties and durability.
Compatibility
This fuse is compatible with industrial power electronics, renewable energy systems including photovoltaic and battery storage installations, and other DC applications requiring high interrupting capacity and reliable semiconductor protection.
Applications
- Power electronics protection
- Battery storage systems
- Photovoltaic inverters and DC circuits
- Industrial DC power supplies
- Semiconductor device safeguarding
Technical Specifications
- Item number: A087331
- Catalogue No: D122GC75V250EF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 250A With Striker Open Slot Blades
- EAN/UPC Code: 3605340078077
- Rated voltage DC IEC: 750 V
- Ampere Rating: 250 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 122
- Mounting: Bolted
- Melting I2t: 18.05 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: 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: 46.7 W
Frequently Asked Questions
What is the maximum breaking capacity of this fuse?
The fuse has a maximum rated breaking capacity of 100 kA DC, suitable for high fault current interruption.
Can this fuse be used in AC applications?
This fuse is specifically designed for DC applications and is rated for 750 VDC. It is not recommended for AC use.
How does the striker indication system work?
The integrated striker mechanism provides a visual indication of fuse operation and can be connected to remote signalling devices for status monitoring.
What mounting options are available?
This fuse is designed for bolted mounting using its open slot blade terminals for secure and reliable installation.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS regulations, ensuring it is free from hazardous substances.
Common Search Terms
high-speed DC fuse, 250A DC fuse, 750VDC fuse, Protistor fuse, semiconductor protection fuse, gR fuse 122 size, striker indication fuse, bolted mounting fuse, industrial DC fuse, renewable energy fuse
| Manufacturer Part Number | A087331 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340078077 |
| Height | 206.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GC75V250EF |