Contactors & Overloads



Contactor Overview
What is a contactor and how does it work? How do I select one for my application?

Thermal Overload Relay Overview
Learn the basics of thermal overload relays.

General Information

Learn about using contactors for motors and other applications, such as lighting and resistive loads.

Solid State vs. Electromechanical Relays
Advantages and disadvantages of electromagnetic contactors vs. solid state contactors.

AC vs. DC Contactors
A comparison of electric arcing in AC and DC contactors.

1 vs. 3 Phase Contactors
What's different between the usage of 1 and 3 phase contactors?

Definite Purpose Contactors
Contactors for HVAC, data processing, food service equipment, pump, and compressor applications.

Product Selection

View product selection guides for contactors, thermal overload relays, and contactor accessories.

WEG Contactors

2 Pole Contactors

3 Pole Contactors

4 Pole Contactors

Thermal Overload Relays

24V Contactors

Contactor Accessories