62003J Mersen 200A Class J Fuse Block, 3-Pole, 600V AC/DC, Al/Cu Box Lugs 6 AWG-350 kcmil

62003J Mersen 200A Class J Fuse Block, 3-Pole, 600V AC/DC, Al/Cu Box Lugs 6 AWG-350 kcmil

Building out a 200 amp Class J fused feed? The Mersen 62003J gives you three poles on one base, clip-in fuse installation, and box lugs that land copper or aluminum from 6 AWG up to 350 kcmil. It screws straight down to your panel backplate through four 0.34 in mounting holes.

On paper, the 62003J carries 200 A at 600 VAC or 600 VDC with a 200 kA SCCR, and it is UL Listed (File E52283) and CSA certified. Torque the lugs to 375 lb-in and you are done at the terminations.

Common Applications

• Holding 200 A Class J fuses on 600 VAC equipment and panel feeds
• DC fusing up to 600 VDC with Class J fuses
• Jobs landing aluminum or copper conductors, 6 AWG through 350 kcmil
• Panel work where the inspector wants UL Listed and CSA certified fuse mounting

Key Features

• Three poles, one base: One block handles all three fuses, so you mount and wire a single piece.
• Al/Cu box lugs: Aluminum box connectors take Cu or Al wire, 6 AWG to 350 kcmil.
• Clip-in fuses: Tin-plated copper clips hold Class J fuses up to 200 A.
• 200 kA SCCR: Short-circuit current rating of 200 kA per Mersen.
• Screw-down mounting: Direct screw mount with four 0.34 in holes.

Specifications

• Catalog Number: 62003J
• Brand: Mersen
• Fuse Class: Class J
• Amps: 200 A max fuse rating
• Volts: 600 VAC / 600 VDC
• Frequency: 50/60 Hz
• Poles: 3
• SCCR: 200 kA
• Lugs: Aluminum box, side-clip
• Wire Range: 6 AWG to 350 kcmil, Cu/Al
• Lug Torque: 375 lb-in
• Base: Glass-filled polycarbonate
• Approvals: UL File E52283, CSA File 32169

Product Identification

• UPC: 782001758677
• Product Dimensions: 9.63 in W x 6.13 in L x 2.9 in H
• Product Weight: 4.9 lb

FAQ

Can I land aluminum wire on the 62003J?
Yes. Mersen rates the 62003J box lugs for copper or aluminum conductors, 6 AWG to 350 kcmil.

What do I torque the 62003J lugs to?
375 lb-in, per Mersen.

Is the 62003J good for DC work?
Mersen rates it 600 VDC as well as 600 VAC.

What fuses go in the 62003J?
Class J fuses up to 200 A. Mersen recommends its AJT, A4J, and HSJ Class J lines for this block.

Is there a copper-only version?
Yes, Mersen catalogs the 62053J for copper wire only. The 62003J is the Al/Cu version.