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Approvals & Standards

  • IEC 60269-4 Compliance
  • GB/T 13539.4-2016

Key features & benefits

Mersen DC offers provide a very high performant protection for railway power and auxiliary circuits. Mersen DC Semiconductor fuse-links were developed to provide improved performance required by today's new DC equipment. These fuse-links are typically operated at more elevated temperature than other fuse type, have lower I²t to minimize damage to protected components on short circuits, lower watt loss and longer life.

More specifications

Applications

  • Protection of inverters
  • Protection of motor drives
  • Protection of UPS systems
  • Protection of similar 1200V or less equipments
  • Railway power and auxiliary circuits

Product 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

Max. Rated Breaking Capacity DC

100 kA  

Power Dissipation at Rated Current Value

275   W

Design Details

SRG  

Indication System

Yes  

Indication System Type

Striker  

Body/Insulating Material

Ceramic  

Product Weight

5.291   lb

Product Width

2.36   in

Product Length

6.42   in

Product Height

6.41   in

Sell Pack Quantity

1   EA

Sell Pack Weight

5.291   lb

Sell Pack Width

6.69   in

Sell Pack Length

7.87   in

Sell Pack Height

3.54   in