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MERSEN FUSE CC12 SRG 272 QF 840 CC12BODKCV3SRG2X72

MPN: H079449

Alt. SKU: D272SG120V840QF

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Why Choose the Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 840A With Striker D272SG120V840QF?

Engineered for rapid circuit protection in demanding DC applications, the Protistor® 2x72 aR fuse delivers dependable interruption of high fault currents up to 1200VDC. Its square body design enables robust mechanical integrity and efficient heat dissipation, making it ideal for industrial and renewable energy installations.

The integrated striker provides clear visual and remote indication of fuse operation, enhancing system safety and ease of maintenance. Compliant with IEC standards and rated for 840A, this fuse ensures high performance and reliability for critical power electronics.

Product Code: H079449

Key Benefits

  • High-speed interruption for sensitive semiconductor protection
  • Robust square body design for enhanced mechanical stability
  • Integrated striker for clear visual and remote indication of fuse operation
  • Rated for high DC voltage applications up to 1200VDC
  • Complies with IEC standards ensuring international reliability and safety
  • Copper L bracket terminals for secure and reliable mounting
  • Ceramic insulating body for excellent thermal and electrical performance

Compatibility

This fuse is compatible with industrial DC power systems requiring high-speed semiconductor protection, including renewable energy inverters, battery storage systems, and DC motor drives. It fits fuse holders designed for 2x72 size fuses with bolted mounting and is suitable for integration into systems requiring IEC-compliant protective devices.

Applications

  • Renewable energy systems such as solar and wind power installations
  • Battery energy storage systems (BESS)
  • DC motor drives and industrial automation equipment
  • Power electronics and semiconductor protection
  • Electric vehicle charging stations
  • High-voltage DC power distribution

Technical Specifications

  • Item number: H079449
  • Catalogue No: D272SG120V840QF
  • Description: Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 840A With Striker
  • EAN/UPC Code: 3605340034158
  • Rated voltage DC IEC: 1200 V
  • Ampere Rating: 840 A
  • RoHS Compliant: Yes
  • AC or DC: DC
  • Speed/Characteristic: aR
  • Fuse Size: 2x72
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 880 kA²s
  • Melting I2t: 158 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: 275 W

Frequently Asked Questions

What does the 'aR' speed characteristic mean?

The 'aR' speed characteristic indicates a high-speed fuse designed specifically for semiconductor protection, providing rapid interruption of fault currents to protect sensitive devices.

Is this fuse suitable for AC applications?

No, this fuse is rated specifically for DC applications up to 1200VDC and is not recommended for AC use.

How does the striker indication system work?

The striker provides a mechanical indication by releasing a visible striker when the fuse operates, allowing easy visual and remote detection of fuse status.

Can this fuse be used in renewable energy systems?

Yes, it is ideal for renewable energy systems such as solar and wind power installations requiring high-speed DC protection.

Common Search Terms

high-speed DC fuse, semiconductor protection fuse, 1200V DC fuse, aR fuse 840A, square body fuse 2x72, Protistor fuse with striker, industrial DC fuse, renewable energy fuse, bolted mount fuse

More Information
Manufacturer Part Number H079449
Packed Quantity 1
Barcode 3605340034158
Height 163mm
Width 60mm
Depth 162.7mm
HS Code 85351000
Country of Manufacture France
Manufacturer Mersen
Alternative Product SKU D272SG120V840QF
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