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MERSEN FUSE CC 7,5 GRC 122 EF 0400 D122GC75V400EF
MPN: L089388
Alt. SKU: D122GC75V400EF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 400A With Striker Open Slot Blades D122GC75V400EF?
This Protistor® high-speed fuse delivers reliable protection for DC applications up to 750V, engineered to IEC standards for assured performance in demanding environments. Its high-breaking capacity and fast-acting gR characteristic make it ideal for safeguarding semiconductors and sensitive components against overloads and short circuits.
The built-in striker facilitates remote indication and safe disconnection, while the open slot blade design ensures easy installation and secure connections. Rated at 400A, it is perfect for high-power industrial systems requiring precise and dependable circuit protection.
Product Code: L089388
Key Benefits
- High breaking capacity of 100 kA ensures robust protection against severe faults.
- Fast-acting gR characteristic suitable for semiconductor protection.
- Integrated striker indication system for safe and remote fault signalling.
- Open slot blade terminals enable easy and secure installation.
- Ceramic body material offers excellent insulation and durability.
- RoHS compliant, supporting environmental and safety standards.
Compatibility
This fuse is compatible with IEC standard fuse holders and bolted mounting systems designed for size 122 fuses. It is suitable for use in DC circuits up to 750 V, particularly in industrial semiconductor protection applications.
Applications
- Protection of power semiconductors in industrial drives and converters.
- DC circuit protection in renewable energy systems such as solar inverters.
- High-power industrial electrical systems requiring fast and reliable fuse operation.
- Battery protection in large-scale energy storage systems.
Technical Specifications
- Item number: L089388
- Catalogue No: D122GC75V400EF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 400A With Striker Open Slot Blades
- EAN/UPC Code: 3605340082692
- Rated voltage DC IEC: 750 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 122
- Mounting: Bolted
- Melting I2t: 50.94 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: 74.5 W
Frequently Asked Questions
What does the gR characteristic mean for this fuse?
The gR characteristic indicates that the fuse is designed for semiconductor protection, providing fast and reliable interruption of overloads and short circuits without nuisance tripping.
Can this fuse be used in AC circuits?
No, this fuse is specifically rated for DC applications up to 750 V and is not suitable for AC circuit protection.
What is the purpose of the striker indication system?
The striker system provides a mechanical indication of fuse operation, allowing for remote signalling and safer maintenance by clearly showing when the fuse has blown.
Is this fuse RoHS compliant?
Yes, this fuse meets RoHS compliance requirements, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, Protistor fuse, DC fuse 750V, semiconductor protection fuse, size 122 fuse, 400A fuse, gR characteristic fuse, fuse with striker, open slot blade fuse, industrial DC fuse
| Manufacturer Part Number | L089388 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340082692 |
| Height | 206.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GC75V400EF |
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