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Approvals & Standards

  • All fuse blocks meet the requirements of UL 4248
  • UL listed, guide IZLT, File E52283
  • UL recognized component guide IZLT2, file E52283
  • CSA certified class 6225, File 32169

Key features & benefits

Mersen Class T fuse blocks accommodate Class T fuses up to 600A. Insulators are either durable, glass-filled polycarbonate (GFPC) or phenolic with verified dielectric strength in excess of 2500V. Mersen is the only manufacturer to offer Class T blocks with copper connectors

More specifications

Product Specifications

Item Number


Item Description (ERP)

67504-FB ADDER 300V-30A SCREW  

Short Description

Fuse Bases 300V 30A Class T Adder Tin-Plate Copper Screw with Reinforced Clip  



Rated voltage AC UL

300   V

Rated voltage DC UL

300   V

Ampere Rating

30   A

ROHS Compliant


Fuse Class

Class T  

Short Circuit Current Rating (SCCR)


Fuse Type/Class

Class T  

Number of Poles


Fuse Installation Method


Body/Insulating Material


Max Fuse Rating

30   A

Installation Mounting

Direct Screw Mount  

Product Weight

0.0454   kg

Product Width

91.4   mm

Product Length

85.6   mm

Product Height

37.3   mm

Sell Pack Quantity

5   Each

Sell Pack Weight

0.2404   kg

Sell Pack Width

93.7   mm

Sell Pack Length

104.6   mm

Sell Pack Height

69.8   mm