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Load Break Switch maneuvers
CLOSING THE EARTHING SWITCH:
Place the control arm in earthing switch
control housing as shown, and rotate in
arrow direction.
Position after the earthing switch is
closed:
Earthing switch closed, closing spring idle
(LBS open).
INSTALLING THE CLOSING SPRING:
Place the installation arm to installation
housing as shown, and rotate in arrow
direction.
Ensure that installation sound is heart when
installing the closing spring.
If there is a spring installation motor on
the switchgear,
spring will be installed
automatically when LV fuses are closed.
After the closing spring is installed:
Earthing switch open, closing spring
installed (LBS open).
Operation Instructions
14
Ulusoy HMH24-01 Incoming-Outgoing Switchgear with LBS User Manual
August 2020 www.eaton.com