Disconnect Switch, Contactor, and Thermal Relay Course
This course teaches you to handle disconnect switches, contactors, and thermal relays for secure three-phase motor control. You will master wiring techniques, protection configurations, safety codes, and lockout procedures to confidently build, test, and service motor systems without issues.

from 4 to 360h flexible workload
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 up to safe motor starter setups. You will learn proper wiring, grounding, conductor selection, torque methods, standards application, protection choices, short-circuit and overload coordination, plus lockout/tagout and commissioning steps for dependable motor operation.
Elevify advantages
Develop skills
- Motor control wiring: assemble secure L1-L3 power and Start/Stop circuits quickly.
- Disconnect and LOTO: choose, install, and lock out motor isolators properly.
- Contactor and overload setup: select, connect, and adjust starters to protect motors.
- Standards-based design: use IEC/NEC guidelines for three-phase motor setups.
- Commissioning and testing: check wiring, rotation, and safeguards before 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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