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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.

More specifications

Applications

  • Protection of inverters
  • Protection of motor drives
  • Protection of UPS systems
  • Railway power and auxiliary circuits
  • Similar 750VDC or less equipments

Product Specifications

Item Number

M085203  

Catalog number

D121GC75V250EF  

Item Description (ERP)

CC 7,5 GRC 121 EF 0250  

Description

Protistor SB fuse-link gR, 750VDC, size 121, 250A, EF, french slotted blade  

EAN/UPC code

3605340067538  

Rated voltage DC IEC

750   V

Rated current

250   A

Speed/Characteristic

gR  

Fuse size

121  

Mounting

Bolted  

Melting I2t

18.05   kA²s

Power Dissipation at Rated Current Value

46.7   W

Design Details

gRC  

Indication System

Yes  

Indication System Type

Striker  

Contact materials

Silver-Plated Copper  

Connection/Terminal Type

Open Slot Blades  

Body/Insulating Material

Ceramic  

Product Weight

1.023   kg

Product Width

51   mm

Product Length

191   mm

Product Height

55   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

1.023   kg

Sell Pack Width

115   mm

Sell Pack Length

265   mm

Sell Pack Height

70   mm