We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE CC 7,5 GRC 120 TTF 0050 B220824
MPN: B220824
Alt. SKU: D120GC75V50TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 50A With Striker Flush Ends Metric Threads D120GC75V50TF?
Engineered for demanding DC protection, this 50A, 750VDC Protistor® fuse delivers rapid response to overloads and short circuits, ensuring reliable safeguarding of high-value components in industrial and renewable energy applications. The square body design and flush-end striker facilitate straightforward installation and secure fitment in space-constrained assemblies.
Certified to IEC standards and featuring robust metric threading, the D120GC75V50TF provides consistent performance, extended service life, and minimal maintenance, making it an optimal choice for critical high-speed circuit protection.
Product Code: B220824
Key Benefits
- High-speed gR characteristic ensures rapid disconnection of faults to protect sensitive semiconductor devices.
- Robust ceramic body offers excellent mechanical strength and thermal stability.
- Flush-end silver-plated brass terminals with striker indication for reliable connection and clear blown fuse notification.
- Metric threaded mounting allows secure and easy installation in industrial assemblies.
- Compliant with IEC standards and RoHS directives, ensuring safety and environmental responsibility.
- High breaking capacity of 100 kA DC for safe interruption of high fault currents.
Compatibility
This fuse is compatible with fuse holders and switchgear designed for Size 120 high-speed semiconductor protection fuses with metric threaded connections. It is suitable for use in DC circuits up to 750 V, commonly found in photovoltaic systems, battery banks, and industrial DC power supplies.
Applications
- Protection of power semiconductors such as IGBTs, thyristors, and diodes in industrial drives.
- Renewable energy systems including solar photovoltaic arrays and wind turbines.
- Battery energy storage systems and DC distribution networks.
- Electric vehicle charging infrastructure requiring high-speed DC protection.
- General industrial DC power supply protection.
Technical Specifications
- Item number: B220824
- Catalogue No: D120GC75V50TF
- Description: Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 50A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340247152
- Rated voltage DC IEC: 750 V
- Ampere Rating: 50 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 120
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 8.5 kA²s
- Melting I2t: 0.665 kA²s
- Max. Rated Breaking Capacity DC: 100 kA
- Design Details: gRC
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 40 mm
- Product Length: 127 mm
- Product Height: 45 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.65 kg
- Sell Pack Width: 110 mm
- Sell Pack Length: 210 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.65 kg
- Power Dissipation at Rated Current Value: 8.1 W
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates a high-speed fuse designed to protect semiconductor devices by quickly interrupting overloads and short circuits, minimising damage to sensitive components.
Is this fuse suitable for AC applications?
No, this fuse is specifically designed for DC applications up to 750 V as indicated by its rated voltage and IEC certification.
How does the striker indication system work?
The striker mechanism provides a visual and mechanical indication when the fuse has blown, allowing for easy identification and replacement without disassembly.
Can this fuse be used in renewable energy systems?
Yes, it is ideal for protecting DC circuits in renewable energy installations such as solar photovoltaic arrays and battery storage systems.
Common Search Terms
high-speed fuse, DC fuse 750V, semiconductor protection fuse, gR fuse, Protistor fuse, Size 120 fuse, 50A DC fuse, square body fuse, striker indication fuse, metric thread fuse
| Manufacturer Part Number | B220824 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340247152 |
| Height | 127mm |
| Width | 40mm |
| Depth | 45mm |
| HS Code | 85361050 |
| Manufacturer | Mersen |
| Alternative Product SKU | D120GC75V50TF |
Write Your Own Review
