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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

Ampere range

20 ... 215 A  

Speed/Characteristic

aR  

CE Conformity

Yes  

REACH Compliant

Yes  

References in this serie  (12)

Item number - Catalog No.

Ampere rating

Fuse size

Total Clearing I2t

Indication System

Product weight

J079450 - D120SC20C20QF

20   A

120  

180   A²s

Yes  

0.9   kg

K079451 - D120SC20C25QF

25   A

120  

180   A²s

Yes  

0.9   kg

L079452 - D120SC20C32QF

32   A

120  

350   A²s

Yes  

0.9   kg

M079453 - D120SC20C40QF

40   A

120  

580   A²s

Yes  

0.9   kg

N079454 - D120SC20C50QF

50   A

120  

1030   A²s

Yes  

0.9   kg