Disconnect Switch, Contactor, and Thermal Relay Course
This course teaches disconnect switches, contactors, and thermal overload relays for secure three-phase motor control. Participants learn wiring techniques, protection configurations, compliance standards, and lockout/tagout methods to confidently design, commission, and maintain motor circuits without issues.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
Gain expertise in disconnect switches, contactors, and thermal overload relays through this practical course. It covers three-phase basics, proper wiring, earthing, conductor sizing, torque settings, protection device selection, short-circuit and overload coordination, and lockout/tagout procedures for safe motor starter installations.
Elevify advantages
Develop skills
- Motor control wiring: assemble secure L1-L3 power and Start/Stop circuits efficiently.
- Disconnect and LOTO: choose, install, and lock out motor isolators properly.
- Contactor and overload setup: select, connect, and adjust starters for motor safety.
- Standards-based design: implement IEC/NEC guidelines in three-phase motor setups.
- Commissioning and testing: check wiring, rotation, and protection prior to power-up.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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