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52
PrimeGear ZX0
P R O D U C T M A N U A L
4.1.2.1 Manual operation of the circuit breaker
•
Mechanical switch position indication is
effected by graphical symbols (3 in Fig. 4.1.2.1.1)
in the operator control area.
—
Fig. 4.1.2.1.1
Indicators and
controls for the
circuit breaker and
three position
disconnector
operating
mechanisms
—
Fig. 4.1.2.1.1
•
Cancel any blocking of the relevant pushbutton
by removing the padlock or by releasing a lock
switch with a key.
•
In order to change the switching condition of
the circuit breaker, press the mechanical OFF
button (1) or the mechanical ON button (2).
1
OFF button for circuit breaker
2
ON button for circuit breaker
3
Switch position indicator for circuit breaker
4
Selector lever
5
Opening for three position disconnector
6
Switch position indicator for disconnector
7
Opening for earthing switch operation
8
Switch position indicator for earthing switch
9
Lever for manually charging the closing spring
10
Mechanical operating cycle counter
11
Signaling device for closing springs
charged/discharged
12
Mechanical undervoltage release override
(on request)
1
6
5
7
8
4
2
3
11
9
10
12