53
Instruction Booklet
IB 33-790-1J
Effective November 2010
Instructions for Low Voltage Power
Circuit Breakers Types DS and DSL
EaToN CorPoraTIoN www.eaton.com
Section 7 - Arc Chute
7.0 GENERAL
Figure 54 is a close-up view of a breaker with one insulat-
ing barrier removed to show the arc chute in place on the
pole unit. Similar designs of arc chutes are used on the
DS416, DS420 and DS632 assemblies with a smaller
one on the DS206 and a slightly larger one on the
DS840.
Fig. 54 Breaker with Barrier Removed to Show Mounting
of Arc Chutes.
Fig. 55 DS-206 Arc Chute with Details.
Fig. 56 DS-416/420 Arc Chute with Details.
Fig. 57 DS-632 Arc Chute with Details.
The arc chute fits well down over the arcing contacts so
that the arc is confined inside the chute at all times and
for all values of current. In the arc chute, immediately
above the arcing contacts, are spaced crosswise vertical
steel splitter plates having an inverted “V” notch to attract
