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 CC12 SRG 272 QF 400 D272SG120V400QF
MPN: S077963
Alt. SKU: D272SG120V400QF
Why Choose the Square Body High-Speed Fuse Protistor® 2x72 aR 1200VDC IEC 400A With Striker D272SG120V400QF?
Engineered for demanding DC applications, this Protistor® high-speed fuse offers reliable protection for power semiconductors, featuring a 1200VDC rating and robust 400A current capacity. Its square body design with striker functionality ensures both rapid fault interruption and remote trip indication, minimising system downtime.
Certified to IEC standards and renowned for its low I²t and fast response, this fuse is the ideal choice for safeguarding critical power electronics in industrial and renewable energy environments.
Technical Specifications
- Item number: S077963
- Catalogue No: D272SG120V400QF
- Description: Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 400A With Striker
- EAN/UPC Code: 3605340026658
- Rated voltage DC IEC: 1200 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: aR
- Fuse Size: 2x72
- Mounting: Bolted
- Melting I2t: 14.9 kA²s
- Max. Rated Breaking Capacity DC: 100 kA
- Design Details: SRG
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Copper
- Connection/Terminal Type: L Brackets
- Product Width: 60 mm
- Product Length: 163 mm
- Product Height: 162.7 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 2.4 kg
- Sell Pack Width: 170 mm
- Sell Pack Length: 200 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 2.4 kg
- Power Dissipation at Rated Current Value: 185 W
Product Code: S077963
Key Benefits
- High-speed protection for sensitive semiconductor devices.
- Robust 1200V DC rating suitable for demanding power systems.
- Striker indication system allows for quick fault detection and remote signalling.
- Low melting I²t value minimises damage to protected equipment.
- Ceramic body ensures excellent insulation and durability.
- Bolted mounting and copper L bracket terminals provide secure and reliable connections.
Compatibility
This fuse is compatible with IEC standard fuse holders designed for 2x72 size semiconductor protection fuses. It is ideal for integration into DC power systems, including industrial drives, photovoltaic inverters, and other renewable energy equipment requiring high-speed semiconductor protection.
Applications
- Protection of power semiconductors in industrial motor drives.
- Renewable energy systems such as solar inverters and wind turbines.
- DC power distribution and control systems.
- Battery energy storage systems requiring high-speed fault interruption.
- General semiconductor protection in high voltage DC circuits.
Frequently Asked Questions
What does the 'aR' characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, with low let-through energy to protect sensitive components.
Can this fuse be used in AC applications?
No, this particular fuse is rated for DC applications only, as specified by its 1200V DC IEC rating.
What is the function of the striker indication system?
The striker indication system provides a mechanical signal when the fuse operates, enabling remote trip signalling and quick visual fault detection.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS directives, ensuring it is free from hazardous substances.
Common Search Terms
High-speed DC fuse, semiconductor protection fuse, 1200VDC fuse, Protistor fuse, 400A fuse with striker, IEC semiconductor fuse, 2x72 fuse size, bolted mounting fuse, ceramic body fuse, DC power fuse.
| Manufacturer Part Number | S077963 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340026658 |
| Height | 163mm |
| Width | 60mm |
| Depth | 162.7mm |
| HS Code | 85351000 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D272SG120V400QF |
Write Your Own Review
