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MERSEN FUSE CC12 SRG 272 QF 500 P077983
MPN: P077983
Alt. SKU: D272SG120V500QF
Why Choose the Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 500A With Striker D272SG120V500QF?
Engineered for rapid, reliable circuit protection in demanding industrial DC applications, this Protistor® high-speed fuse delivers a robust 500A rating at up to 1200VDC. Its square body size 2x72 format ensures secure fitment and enhanced thermal performance for increased operational safety.
The integrated striker mechanism enables precise remote fault indication, streamlining system diagnostics and minimising downtime. Fully compliant with IEC standards, this fuse is ideal for safeguarding power conversion, battery, and drive systems in mission-critical environments.
Technical Specifications
- Item number: P077983
- Catalogue No: D272SG120V500QF
- Description: Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 500A With Striker
- EAN/UPC Code: 3605340026856
- Rated voltage DC IEC: 1200 V
- Ampere Rating: 500 A
- RoHS Compliant: Yes
- AC or DC: DC
- Speed/Characteristic: aR
- Fuse Size: 2x72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 180 kA²s
- Melting I2t: 32.7 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: 202 W
Product Code: P077983
Key Benefits
- High-speed protection ensures rapid interruption of fault currents, minimising equipment damage.
- Robust 500A rating at 1200VDC suitable for demanding industrial applications.
- Integrated striker mechanism provides clear remote fault indication for easy diagnostics.
- Ceramic body offers excellent thermal stability and durability.
- Bolted mounting with copper L bracket terminals ensures secure and reliable connections.
- Compliant with IEC standards for assured quality and safety.
Compatibility
This fuse is compatible with industrial DC power systems, including power conversion units, battery protection circuits, and variable speed drives. It fits fuse holders designed for 2x72 size fuses with bolted connections and striker indication systems.
Applications
- Industrial DC power supply protection
- Battery banks and energy storage systems
- Power converters and inverters
- Variable speed drives and motor controllers
- Renewable energy systems requiring high-speed DC protection
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed to protect semiconductor devices by interrupting fault currents rapidly, minimising damage to sensitive components.
Can this fuse be used in AC applications?
No, this fuse is specifically rated for DC applications up to 1200VDC and is not suitable for AC circuits.
How does the striker indication system work?
The striker mechanism activates upon fuse operation, providing a mechanical signal that can be used for remote fault indication to alert maintenance personnel quickly.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS directives, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, DC fuse 1200V, 500A fuse, Protistor fuse, square body fuse, semiconductor protection fuse, fuse with striker, industrial DC fuse, 2x72 fuse size, bolted fuse terminal
| Manufacturer Part Number | P077983 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340026856 |
| Height | 163mm |
| Width | 60mm |
| Depth | 162.7mm |
| HS Code | 85351000 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | D272SG120V500QF |
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