Rockwell Automation 1502 Medium Voltage Contactor, 800A (Series D and E) - Manual (Page 6)

1-2 Contactor Product Description
1502-UM051E-EN-P – June 2013
Vacuum Bottle Description
The vacuum bottle (Figure 1.2) consists of two contacts enclosed in a ceramic
housing. One contact is mounted on a fixed shaft, and the other is attached to
a movable shaft. The bearing and stainless steel bellows ensure that the movable
contact tracks accurately and maintains vacuum integrity within the bottle.
Arc shield
Fixed shaft
Ceramic
Contacts
Bellows
Bearing
Movable shaft
Figure 1.2 – Typical Vacuum Bottle Cross Section