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MERSEN FUSE CC 7,5 GRC 122 EF 0350 D122GC75V350EF
MPN: W221141
Alt. SKU: D122GC75V350EF
Why Choose the Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 350A With Striker Open Slot Blades D122GC75V350EF?
Engineered for demanding DC applications, this 350A Protistor® fuse ensures rapid fault interruption and reliable circuit protection at up to 750VDC. Its gR characteristic offers full-range protection for both overloads and short circuits, safeguarding sensitive power electronics.
The robust size 122 square body design with striker and open slot blades simplifies installation and enhances safety monitoring. Certified to IEC standards, it is an optimal choice for industrial drives, energy storage systems, and high-efficiency DC power conversion.
Product Code: W221141
Key Benefits
- High-speed gR characteristic provides comprehensive protection against overloads and short circuits.
- Robust ceramic body ensures durability and reliable performance in harsh industrial environments.
- Striker indication system allows quick visual fault detection for easier maintenance.
- Open slot blade terminals facilitate secure and straightforward bolted mounting.
- Certified to IEC standards for assured quality and safety compliance.
- High breaking capacity of 100 kA DC for effective fault interruption.
Compatibility
This fuse is compatible with industrial DC power systems requiring high-speed protection, including semiconductor devices, power converters, and energy storage applications. It fits standard fuse holders designed for size 122 square body fuses with bolted mounting and open slot blade terminals.
Applications
- Industrial motor drives and controllers
- Renewable energy systems such as photovoltaic inverters and battery storage
- Power supply units for sensitive electronics
- DC power distribution and protection in manufacturing plants
- Semiconductor device protection in high-current circuits
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates that the fuse provides full-range protection, covering both overload and short-circuit conditions, making it suitable for protecting semiconductor devices.
Can this fuse be used in AC circuits?
No, this fuse is specifically designed for DC applications up to 750 VDC and should not be used in AC circuits.
What is the purpose of the striker indication system?
The striker indication system provides a mechanical indication when the fuse has blown, enabling quick visual identification for maintenance and replacement.
Is the fuse RoHS compliant?
Yes, this fuse complies with RoHS standards, ensuring it is free from hazardous substances.
Common Search Terms
Protistor fuse, high-speed fuse, DC fuse 750V, gR fuse 350A, size 122 fuse, semiconductor protection fuse, square body fuse, fuse with striker, open slot blade fuse, bolted mount fuse.
Technical Specifications
- Item number: W221141
- Catalogue No: D122GC75V350EF
- Description: Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 350A With Striker Open Slot Blades
- EAN/UPC Code: 3605340250688
- Rated voltage DC IEC: 750 V
- Ampere Rating: 350 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: gR
- Fuse Size: 122
- Mounting: Bolted
- Melting I2t: 38.08 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: 64.5 W
| Manufacturer Part Number | W221141 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340250688 |
| Height | 206.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D122GC75V350EF |
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