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Are double throw switches provided with a dual cover interlock that prevents opening the cover when the switch is in either ON position?
Issue:
Product Features

Product Line:
Double Throw Safety Switches

Resolution:
A dual cover interlock is provided only on the below double throw switches:
1) The 30 through 100 A, DT and DTU, Series F switches (the bypass is located on the side of the enclosure, just behind the operating handle, and requires a screw driver to operate)

2) The 82000, NEMA 1 switches (the bypass requires the interlock key, 190002, and is located on the side of the enclosure just behind the operating handle)

3) The 600 A DTU switches (no bypass to open the cover when the switch is on; the interlock defeater bar can be pressed to turn the switch on while the cover is open)

Schneider Electric USA

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