Replacing Argon fuse
Replacing Argon fuse may be necessary if it has blown or the application demands higher power than the default size fuse can handle. Accessing the fuse may be done by opening the cover by removing four screws at the bottom of the drive heat sink and carefully pulling the cover off.
The factory default fuse is 20x5 mm glass tube fuse T6.3A (time delay 6.3 A). This fuse can approximately support peak output power of 600W at 220-240 VAC supply.
The maximum allowed fuse size is time delayed 16A which supports over 1kW peak power. Please notice that installing larger than 6.3A fuse will exceed the rating of safe torque off STO1 relay capacity, thus relying on STO1 operation will no longer be fully safe. STO1 is safe only if input AC current is at most 6A RMS.
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