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MERSEN FUSE CC 7,5 GRD 122 TTF 0500 S220954
MPN: S220954
Alt. SKU: D122GD75V500TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 500A With Striker Flush Ends?
This high-speed fuse offers reliable DC circuit protection up to 750V, built to IEC standards for critical industrial applications. Its robust 500A rating ensures dependable safeguarding of power semiconductors in demanding environments.
Featuring striker flush ends with metric threads for secure and easy installation, the D122GD75V500TF provides fast and precise operation, supporting system safety and minimising downtime. Choose this fuse for proven, high-performance circuit protection in modern electrical systems.
Product Code: S220954
Key Benefits
- High-speed operation ensures rapid circuit interruption to protect sensitive semiconductor devices.
- Robust 500A rating suitable for demanding industrial DC applications up to 750V.
- Striker flush ends with metric threads enable secure, easy installation and clear indication of fuse operation.
- Compliant with IEC standards for reliable and consistent performance.
- Ceramic body provides excellent insulation and durability under harsh conditions.
Compatibility
This fuse is compatible with industrial DC power systems requiring semiconductor protection up to 750V DC. It is designed for use in bolted mounting fuse holders and switchgear assemblies that accept Size 122 gR fuses with striker flush ends and metric threads.
Applications
- Protection of power semiconductors such as thyristors and diodes in DC circuits.
- Industrial drives and motor control systems.
- Renewable energy systems including photovoltaic and wind power installations.
- Battery banks and DC power distribution networks.
- Railway and traction power supply systems.
Technical Specifications
- Item number: S220954
- Catalogue No: D122GD75V500TF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 500A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340248388
- 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 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: 95 W
Frequently Asked Questions
What does the gR characteristic mean for this fuse?
The gR characteristic indicates a full-range semiconductor fuse designed to protect power semiconductors against overloads and short circuits with high-speed operation.
Can this fuse be used in AC circuits?
No, this specific fuse is rated for DC applications only, up to 750V DC, and is not suitable for AC circuit protection.
How does the striker indication system work?
The striker indication system provides a mechanical signal by ejecting a striker when the fuse blows, allowing for quick visual identification of a blown fuse without disassembly.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting with flush ends and metric threads to ensure secure and reliable installation in compatible fuse holders.
Common Search Terms
high-speed fuse, DC fuse 750V, semiconductor protection fuse, Size 122 fuse, gR fuse, striker fuse, flush end fuse, industrial DC fuse, protistor fuse, 500A fuse
| Manufacturer Part Number | S220954 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340248388 |
| Height | 131mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GD75V500TF |
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