6
3.40 Movable contact
3.41 Moving contact stem
3.43 Metallic bellows
3.44 Ceramic
3.45 Fix contact
Fig 3d: Vacuum Interrupter
3.39
3.44
3.45
3.40
3.43
3.46
3.42
3.41
3.17 Gear box
3.18 Motor
3.19 Snap switch
3.20 Rating plate
3.22 1
st
shunt release(Y1)
3.23 2 shunt release(Y2)
3.26 Closing spring charging
3.29 Switching shaft
3.30 Shock absorber
3.31 Closing spring
3.32 Opening spring
3.33 Damping plate
3.37 Low voltage socket connector
3.9
3.20
3.31
3.17
3.19
3.26
3.28
3.27
3.18 3.30
3.33 3.32
3.29
3.34
3.22
3.21
3.38
3.37
Fig 3c: View of an open mechanism housing
Vacuum interrupters
The basic construction of the vacuum interrupters for the
(3.43) forms the vacuum-proof connection to the interrupter
housing.
conform to the requirements of the
1.2.1.2 Equipment
– Electrical operating mechanism (charging motor)
with electrical anti-pumping feature ........................ (M1)
– Closing release ......................................................... (Y9)
– 1st Shunt release ...................................................... (Y1)
.........(X0)
..................................... (S1)
– Position switch for signalling
......................................... (S41)
Summary of Contents for 8BK80
Page 8: ......
