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Approvals & Standards

  • IEC 60269-1 and IEC 60269-4 Compliance
  • DC UL recognized component
  • UL file E76491
  • - 160A-420A, @1200VDC, L/R 10ms, 100KA
  • - 160A-420A, @1500VDC, L/R 1-3ms, 100KA
  • GB/T 13539.4-2016

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 watt loss and longer life.

More specifications

Applications

  • Protection of inverters
  • Protection of motor drives
  • Protection of UPS systems
  • Railway power and auxiliary circuits
  • ESS Battery Rack protection up to 1500VDC

Product Specifications

Item Number

Q079433  

Catalog number

D72SG120V420QF  

Description

Square Body High-Speed Fuse Protistor® Size 72 aR 1200VDC IEC 420A With Striker L Brackets  

EAN/UPC code

3605340033991  

Rated voltage DC IEC

1200   V

Rated current

420   A

ROHS Compliant

Yes  

AC or DC

DC  

Speed/Characteristic

aR  

Fuse size

72  

Mounting

Bolted  

Clearing I2t At Rated Voltage

220   kA²s

Max. Rated Breaking Capacity DC

100 kA  

Power Dissipation at Rated Current Value

131   W

Design Details

SRG  

Indication System

Yes  

Indication System Type

Striker  

Contact materials

Silver-Plated Copper  

Connection/Terminal Type

L Brackets  

Body/Insulating Material

Ceramic  

Product Weight

1.15   kg

Product Width

60   mm

Product Length

163   mm

Product Height

76.5   mm

Sell Pack Quantity

1   EA

Sell Pack Weight

1.15   kg

Sell Pack Width

130   mm

Sell Pack Length

200   mm

Sell Pack Height

95   mm