Skip to main content

All locations

Please select your country & language

China | 中国
Germany | Deutschland

Your country is not in the list?

Go to our international website:

Mersen EP International website
Contact us

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

Q085252  

Catalog number

D121GC75V250TF  

Description

Square Body High-Speed Fuse Protistor® Size 121 gR 750VDC IEC 250A With Striker Flush ends metric threads  

EAN/UPC code

3605340067743  

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 Brass  

Connection/Terminal Type

End Contact with Threaded Holes  

Body/Insulating Material

Ceramic  

Product Weight

0.88   kg

Product Width

51   mm

Product Length

131   mm

Product Height

55   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

0.88   kg

Sell Pack Width

110   mm

Sell Pack Length

200   mm

Sell Pack Height

60   mm