l.L. 33-790-11
the arc and interrupt it essentially the cooling and stretch-
ing the arc.
The
08206
arc chute is shown
in
Figure 55. The larger
arc chute for the
08416
and
08420
is shown
in
Figure
56,
the
08632
arc chute is shown
in
Figure 57 and the
DS840 arc chute is shown in Figure 58.
In
addition to the steel plates, the larger arc chutes
include hard arc-resisting glass polyester plates. These
plates produce turbulence
in
the exhaust gases above
the steel plates and prevent electrical breakdown over
the top
of
the arc chute
or
to ground.
~WARNING
ALL ARC CHUTES AND BARRIERS MUST BE
IN
PLACE BEFORE RETURNING BREAKER TO COM-
PARTMENT.
IF
BREAKER IS ENERGIZED WITHOUT
CHUTES AND BARRIERS BEING INSTALLED, IT
COULD CAUSE A DISASTROUS SHORT-CIRCUIT
FAULT WITHIN THE SYSTEM; AND IT MAY RESULT
IN
BODILY INJURY AND EQUIPMENT DAMAGE.
Effective October 1998
Page 53
Fig.
58 DS-840
Arc
Chute with Details (391092)
Courtesy of NationalSwitchgear.com
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