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Approvals & Standards

  • All class J fuse blocks meet the requirements of UL4248 (formerly UL512)
  • UL listed Guide IZLT, File E52283
  • CSA certified class 6225, File 32169

Key features & benefits

Mersen’s new Generation 2 open style class J fuse blocks accommodate class J fuses ranging from 0-100A, 600V. A choice of screw, pressure plate, and box connectors fit a wide range of stranded or solid wire. Gen2 fuse blocks are DIN-rail mountable, more compact than the traditional offering, and feature dovetail nesting for multipole field assembly. Fuse bases are IP20 rated when paired with Mersen’s newly designed dead front covers.

More specifications

Applications

  • Branch circuits
  • Control panels
  • Load centers
  • Lighting, heating, & general loads

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

0 to 100 A  

Fuse class

Class J  

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  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853690  

References in this series  (21)

FB60J100B1

100   A

-

Class J  

1-Pole  

No

0.2087   kg

FB60J100B2

100   A

-

Class J  

2-Pole  

No

0.4173   kg

FB60J100B3

100   A

-

Class J  

3-Pole  

No

0.6305   kg

FB60J30B1

30   A

-

Class J  

1-Pole  

No

0.0816   kg

FB60J30B2

30   A

-

Class J  

2-Pole  

No

0.1588   kg

FB60J30B3

30   A

-

Class J  

3-Pole  

No

0.2404   kg

FB60J30P1

30   A

-

Class J  

1-Pole  

No

0.0816   kg

FB60J30P2

30   A

-

Class J  

2-Pole  

No

0.1588   kg

FB60J30P3

30   A

-

Class J  

3-Pole  

No

0.2404   kg

FB60J30S1

30   A

-

Class J  

1-Pole  

No

0.0816   kg

FB60J30S2

30   A

-

Class J  

2-Pole  

No

0.1588   kg

FB60J30S3

30   A

-

Class J  

3-Pole  

No

0.2404   kg

FB60J60B1

60   A

-

Class J  

1-Pole  

No

0.1089   kg

FB60J60B2

60   A

-

Class J  

2-Pole  

No

0.2177   kg

FB60J60B3

60   A

-

Class J  

3-Pole  

No

0.3266   kg