Mersen specifies AJT70EI as a 70A device in the AJT Series. Its key ratings are 600V AC / 500V DC and 200kA AC / 100kA DC interrupting capability. The series is intended for applications needing high current limitation with time-delay performance for motor and transformer inrush. This catalog code identifies the EI visual/open-fuse indication configuration.
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For applications specifying Class J, Mersen AJT70EI supplies the 70A rating in the AJT Series. Electrical limits are 600V AC / 500V DC, with 200kA AC / 100kA DC interrupting capability. A key selection characteristic is high current limitation with time-delay performance for motor and transformer inrush. The Class J format uses ferrule / blade (amp-dependent) terminals with cartridge/clip mounting. Typical selection contexts include Feeders, Branch Circuits, Transformers. This SKU is the EI visual/open-fuse indication configuration. Check the official Mersen datasheet before final equipment coordination.
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