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Approvals & Standards

IEC 60269-1 and IEC 60269-4 Compliance

  • DC UL recognized component
  • UL file E76491
  • - 20A-215A, @1200VDC, L/R 10ms, 100KA
  • - 20A-215A, @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 watts 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 1500 VDC

Product Specifications

Item Number

W079438  

Catalog number

D70SF120V50QF  

Item Description (ERP)

CC12 SRF 70 QF 50  

Description

Size 70 aR 1200VDC(IEC), with striker aR 50 A VAC/1200VDC  

EAN/UPC code

3605340034042  

Rated voltage DC IEC

1200   V

Rated current

50   A

ROHS Compliant

Yes  

Speed/Characteristic

aR  

Fuse size

70  

Mounting

Bolted  

Clearing I2t At Rated Voltage

1.03   kA²s

Power Dissipation at Rated Current Value

26   W

Indication System

Yes  

Indication System Type

Striker  

Body/Insulating Material

Ceramic  

Product Weight

0.68   kg

Product Width

38   mm

Product Length

163   mm

Product Height

62.7   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

0.68   kg

Sell Pack Width

110   mm

Sell Pack Length

210   mm

Sell Pack Height

65   mm