Description
16
9229 9947 176 0C
2013-03-28
Pole assembly
The pole assembly (19.) of the 3AH47 vacuum circuit-breaker consists of
• the upper interrupter support (20.)
• with the upper terminal (27.)
• of the vacuum interrupter (30.);
• the lower interrupter support (40.) with the lower terminal (29.) and the clamp
(29.2) with flexible connector (29.1);
• as well as the angle lever (48.6.).
The centering (28.1) and the struts (28.) relieve the vacuum interrupters of external
forces.
Fig. 17
Pole assembly 3AH47 84
Fig. 18
Pole assembly 3AH47 57
19.
Pole assembly
30.
Vacuum interrupter
20.
Upper interrupter support
38.
Grading capacitor
27.
Upper terminal
39.
Pole gearing
28.
Strut
39.1
Bearing block
28.1
Centering
40.
Lower interrupter support
29.
Lower terminal
48.6
Angle lever
29.1
Flexible connector
49.
Contact pressure spring
29.2
Clamp
