40
SAFERING XT/SAFEPLUS XT
• Vacuum circuit-breaker Operation :
1. VCB is in Open condition and spring is discharged.
2. Charge the spring by means of the charging lever.
3. The spring is fully charged when the indicator turns to
charged spring (yellow symbol), about 10 operations
needed to fully charge the spring.
4. Push green button to Close the VCB
5. Once VCB Closed , Indicator will change to
I
and Spring
charging indicator will indicate discharged.
6. If the vacuum circuit-breaker is equipped with motor
operation (optional) it is not necessary to charge the
spring by hand. The motor starts charging the spring
automatically as soon as the auxiliary voltage is
switched on.
7. Push red button to Open the VCB
8. Once VCB Opened , Indicator will change to
0
—
Figure 15.18
VCB operation step 5
—
Figure 15.19
VCB operation step 6
—
Figure 15. 14
VCB operation step 1
—
Figure 15.15
VCB operation step 2
—
Figure 15.16
VCB operation step 3
—
Figure 15.17
VCB operation step 4
—
Figure 15.20
VCB operation step 7
—
Figure 15.21
VCB operation step 8
