M6J200A3101 Marathon Special Products Class J Fuse Holder, 200 A 600 V, 3 Pole
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The Marathon Special Products M6J200A3101 is a 3 pole, open, modular Class J fuse holder rated 110 to 200 A at 600 V AC/DC, with a 200,000 A short circuit withstand rating. Fuse size: Class J, 110 to 200 A. Wire range is 250 kcmil to #6 AWG stranded copper. UL listed to UL 4248-1 and UL 4248-8. Applied Control is the Marathon Special Products manufacturers representative. Send the catalog number, or the fuse amperage, poles and wire size, and the quote comes back the same business day.
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M6J200A3101 specifications
| Catalog number | M6J200A3101 |
| Manufacturer | Marathon Special Products (Regal Rexnord) |
| Fuse class | Class J |
| Poles | 3 |
| Style | Open, modular |
| Ampere rating | 110 to 200 A |
| Voltage rating | 600 V AC/DC |
| Short circuit withstand | 200,000 A |
| Fuse size | Class J, 110 to 200 A |
| Wire range | 250 kcmil to #6 AWG stranded copper |
| Terminal torque | 275 in lb (31.0 N m) for 250 kcmil to #1; 120 in lb (13.5 N m) for #2 to #6 |
| Materials | UL94 V-0 thermoplastic insulator, tin plated aluminum connector |
| Standards and listings | UL 4248-1 and UL 4248-8, UL file IZLT.E35113; CSA file LR21455 |
| Accessories | Cover CJ6200M |
Specifications from the Marathon Special Products datasheet for M6J200Ax101. Confirm against the current datasheet before installation.
Marathon datasheet for M6J200Ax101 (PDF)
Selecting a Class J fuse holder
Pick the holder by the fuse ampere rating first, because Class J fuse bodies change size at 30, 60, 100, 200, 400 and 600 A and the clips only fit one size. Then match the wire range to the conductor you are landing and check the terminal torque. An enclosed DIN rail holder keeps fingers off live parts in a control panel. An open reinforced holder is the low cost choice inside a bolted enclosure. Send the fuse size, wire size and pole count and we will pick the catalog number with you.
Cross reference
Have a Bussmann, Mersen (Ferraz Shawmut) or Littelfuse Class J fuse holder part number? Send it with the amperage and poles and we will cross it to the matching Marathon catalog number. See the cross reference hub for the other lines we cross.
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Bussmann, Mersen, Ferraz Shawmut and Littelfuse are trademarks of their respective owners. Applied Control Inc. is not affiliated with these companies. Competitor names appear only to identify products for comparison.