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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

R220953  

Catalog number

D122GD75V450TF  

Description

Square Body High-Speed Fuse Protistor® Size 122 gR 750VDC IEC 450A With Striker Flush ends metric threads  

EAN/UPC code

3605340248371  

Rated voltage DC IEC

750   V

Rated current

450   A

Speed/Characteristic

gR  

Fuse size

122  

Mounting

Bolted  

Melting I2t

63.5   A²s

Power Dissipation at Rated Current Value

90   W

Design Details

gRD  

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

1.43   kg

Product Width

59   mm

Product Length

131   mm

Product Height

63   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

1.43   kg

Sell Pack Width

130   mm

Sell Pack Length

200   mm

Sell Pack Height

90   mm