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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



Base abierta 300VAC 300VDC Clase T 30A 1 polo Caja con clip reforzado  



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

0.15   lb

Product Width

0.88   in

Product Length

3.37   in

Product Height

1.47   in

Sell Pack Quantity

5   Each

Sell Pack Weight

0.79   lb

Sell Pack Width

3.69   in

Sell Pack Length

4.12   in

Sell Pack Height

2.75   in