3
I.B. 8926-1A
Fig. 2 Motor Control Center Nomenclature
and the operating handle in the ON position,
another interlock to the divider pan prevents
removal of the unit. This same interlock prevents
insertion of the unit unless the handle mechanism
is in the OFF position. To ensure that units are not
energized accidentally or by unauthorized
personnel, the handle mechanism can be
padlocked in the OFF.position. Space for a
minimum of three padlocks is provided on each
handle.The device panel (5) is mounted on the
drawout unit. It will accommodate up to six pilot
devices. The overload reset button (20) is mounted
on the unit door.
(1)
Unit Door
(2)
Drawout
Unit
(4)
¼ Turn Latch
(3)
Operating
Handle
(5)
Device Panel
and Devices
(7)
Top & Side
Covers
(6)
Vertical Bus Barrier
– Labyrinth
(Optional)
(8)
Ground
Bus
(9) Top Horizontal
Wireway
(10) Horizontal Bus
Barriers
(12)
Horizontal
Bus
(13)
Vertical
Bus
(11)
Divider Pan/
Guide Rails
(14)
Vertical Bus
Barrier -
Standard
(15)
Vertical
Wireway
Door
(16)
Vertical
Wireway
(17)
Structural
Members
(18)
Bottom
Horizontal
Wireway Door
(19)
Bottom
Horizontal
Wireway
(20)
Overload
Reset Button
(21)
Defeater
Mechanism Screw