Page 93 - Electromechanical Devices and Components Illustrated Sourcebook

Chapter 4 Electrical Controls 55

Blade

Link Pivot
Pivot
Contact
Return Spring

Terminal
Terminal

Link
Base
Solenoid Mount
Solenoid Core Insulated Pivot

Solenoid

Opened Closed
Figure 4-57 Knife Switch Contactor
Visual
Indicator
Contacts
Contactor
Switched
Terminals
High Current
Motor
Switched
Terminals
M Power

Coil Coil
Terminals
C
Control Base
Coil
Terminals Switch
Figure 4-58 Contactor Schematic
Figure 4-59 Commercial Three-Phase Contactor

Visual Indicator
Bridge
Terminal Divider
Switched Terminal Floating Contact

Fixed Contact
Connecting Rod Insulator
Core Reset Spring
Coil Housing
Coil Terminal
Preload Spring
Base
Figure 4-60 Contactor Sectional View