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Approvals & Standards

  • IEC 60269-4 compliance

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 watts loss and longer life.
To complete these fuse-links Mersen recommende to use the standard microswitch (ref. G310023, MCR3E1-5N).

More specifications

Applications

  • Protection of inverters
  • Protection of motor drives
  • Protection of UPS systems
  • Protection of similar 2000V or less equipments
  • Railway power and auxiliary circuits
  • EES Battery Rack protection

Product Specifications

Item Number

R079457  

Catalog number

D120SC20C100QF  

Description

Square Body High-Speed Fuse Protistor® Size 120 aR 2000VDC IEC 100A With Striker L Brackets  

EAN/UPC code

3605340034233  

Rated voltage DC IEC

2000   V

Rated current

100   A

ROHS Compliant

Yes  

Speed/Characteristic

aR  

Fuse size

120  

Mounting

Bolted  

Clearing I2t At Rated Voltage

5800   A²s

Max. Rated Breaking Capacity DC

100 kA  

Power Dissipation at Rated Current Value

70.5   W

Design Details

aR  

Indication System

Yes  

Indication System Type

Striker  

Contact materials

Silver-Plated Brass  

Connection/Terminal Type

L Brackets  

Body/Insulating Material

Ceramic  

Product Weight

0.9   kg

Product Width

44   mm

Product Length

217   mm

Product Height

62.7   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

0.9   kg

Sell Pack Width

110   mm

Sell Pack Length

260   mm

Sell Pack Height

70   mm