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 H, K and R fuse blocks accommodate all Class H, K and R 250 and 600V power fuses. A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire. Insulators are either molded glass-filled polycarbonate (GFPC) or phenolic with verified dielectric strength in excess of 2500V. 30, 60 and 100A fuse blocks feature a unique adder block which can be snapped onto 1-, 2- or 3-pole blocks to form multipole segmented blocks of as many poles as desired.
All fuse clips are made of high conductivity tinplated copper, with a choice of spring reinforced or nonspring reinforced clips in 30A and 60A. Clips 100A and above are spring reinforced.
Documents & Resources
Datasheet
Compliance
Product Specifications
Frequency (Hz)
50/60 Hz
Ampere range
0 to 600 A
Fuse class
Class R
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