The ET 1.0 trip unit cannot be field replaced
or have the long-time trip point setting adjusted.
All these devices use bolt-on connection.
It may be used only on busway with same number of poles. Not for use
on 800 A copper busway. To complete the catalog number, replace the
blank with an “H” for horizontal applications and “V”
for vertical applications.
All M-frame plug-in units are 800 A frame, and the trip
setting can be adjusted to 300 A, 350 A, 400 A, 450 A, 500 A, 600
A, 700 A, or 800 A.
For IP54
splash resistant construction, add an "M54" suffix.
