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Approvals & Standards

  • UL Recognized: UL File: E60314; DC: 50-300A, 1000VDC
  • REACH/RoHS compliant

Key features & benefits

Electrification in construction, marine, agriculture, manufacturing, mining, and other industries, in addition to transportation, is a critical trend in cleaner energy. The D100QS North American style round body highspeed fuse series is Mersen’s next evolution for high-power conversion applications protection for those industries shifting to Direct Current (DC) systems today. The D100QS fuse series is specifically designed to reduce the I²t, peak let-through current, and arc voltages during fault conditions to protect applications such as battery charging systems and other DC components like relays and contactors.

More specifications

Applications

  • High Power battery charging and management systems protection
  • Energy Storage Systems (ESS)
  • Electrical Energy Storage (EES)
  • Battery Disconnect Unit (BDU)
  • Battery pack protection
  • DC Fast-Charging station for EV applications
  • Backup protection for DC relay/disconnector/switch
  • Protection of 1000VDC or less, UPS and inverters

Product Specifications

Item Number

D100QS125-4Y  

Catalog number

D100QS125-4Y  

Description

DC Fuse 1000VDC UL 125A Max. M8 Bolted  

EAN/UPC code

0782001508869  

Rated voltage DC UL

1000   V

Rated current

125   A

ROHS Compliant

Yes  

AC or DC

DC  

Speed/Characteristic

High Speed  

Mounting

Bolted  

Max. Rated Breaking Capacity DC

100 kA @ 1000VDC , L/R ≤ 1 ms  

Minimum breaking capacitiy (MBC)

940   A

Power Dissipation at Intermediate Current Value

4 W @ 0.5 In  

Contact materials

Silver-Plated Brass  

Connection/Terminal Type

Bolted  

Product Weight

0.19   kg

Product Diameter

31   mm

Product Length

111   mm

Sell Pack Quantity

5   EA

Sell Pack Weight

0.95   kg

Sell Pack Width

147.1   mm

Sell Pack Length

205   mm

Sell Pack Height

39.1   mm