50 Hz: G625 - G690 - G750XW/XF
OPERATION & MAINTENANCE MANUAL
95
60 Hz: G655 - G750 - G800 - G850XW/XF
Fig. 26 Charging motion
The charging handle or the charging motor provides a
counterclockwise rotation to charging cam (1). This
rotates closing release lever (2) and closing tripper lever
(3) counterclockwise and a semicircular pawl engages
with closing release lever (2). And charging lever (4)
rotates clockwise so that closing spring (5) is
compressed and closing cam 5 rotates counterclockwise.
At this time, each component is positioned as shown in
Fig. 24.
Fig. 27 Opening motion
For manual opening operation, OFF button (1) rotates
counterclockwise and trip linkage (2) rotates clockwise.
For electrical opening operation, push rod (1) protrudes
downward from the shunt trip device (SHT) or the
undervoltage trip device (UVT). For tripping operation by
the overcurrent release (OCR), moving core (1)
protrudes downward from the magnet hold trigger (MHT)
and trip linkage (2) rotates counterclockwise. (Parts
marked with an asterisk (*) are trip pins. To avoid
superposition in the figure, magnet hold trigger related
parts are drawn in positions that are different from actual
positions.
This
rotates
trip
trigger
shaft
(3)
counterclockwise and trip lever B (4) disengages from a
semicircular pawl and rotates counterclockwise. And trip
lever A (5) rotates counterclockwise, trip link (6) moves to
a lower right direction and closing toggle cam (7) rotates
clockwise. The force of closing spring (9) and contact
spring (10) rotates crossbar (8) counterclockwise, so that
moving contact (10) is parted from stationary contact
(12). At this time, each component is positioned as
shown in Fig. 25.
Содержание G625XF
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