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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

Frequency (Hz)

50/60   Hz

Ampere Range

0 to 600 A  

Fuse Class

Class T  

Short Circuit Current Rating (SCCR)

200   kA

Flammability Rating

94 V-0  

UL File Number

File E52283  

UL Category Code

IZLT  

CSA File number

Class 6225, File 032169_0_000  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853690  

References in this series  (48)

30655T

60   A

-

Class T  

Adder  

No

0.1   lb

30656T

60   A

-

Class T  

1-pole  

No

0.15   lb

30657T

60   A

-

Class T  

2-pole  

No

0.29   lb

30658T

60   A

-

Class T  

3-pole  

No

0.43   lb

30659T

60   A

-

Class T  

4-pole  

No

0.58   lb

31001T

100   A

-

Class T  

1-pole  

No

0.75   lb

31002T

100   A

-

Class T  

2-pole  

No

1.5   lb

31003T

100   A

-

Class T  

3-pole  

No

2.67   lb

32031T

200   A

-

Class T  

1-pole  

No

1.3   lb

32033T

200   A

-

Class T  

3-pole  

No

3.55   lb

32051T

200   A

-

Class T  

1-pole  

No

1.3   lb

32053T

200   A

-

Class T  

3-pole  

No

3.55   lb

34031T

400   A

-

Class T  

1-pole  

No

1.6   lb

34033T

400   A

-

Class T  

3-pole  

No

4.5   lb

34051T

400   A

-

Class T  

1-pole  

No

1.6   lb