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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)

67550-FB 1P 600V-30A AL BOX  

Short Description

Fuse Bases 600V 30A Class T 1-pole Tin-Plate Aluminum Box with Reinforced Clip  



Rated voltage AC UL

600   V

Rated voltage DC UL

600   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

Screw Mount or DIN Rail  

Product Weight

0.2   lb

Product Width

0.97   in

Product Length

3.13   in

Product Height

1.56   in

Sell Pack Quantity

10   Each

Sell Pack Weight

2.1   lb

Sell Pack Width

3.12   in

Sell Pack Length

7   in

Sell Pack Height

3.06   in