Disconnect Switch, Contactor, and Thermal Relay Course
This course equips you to master disconnect switches, contactors, and thermal overload relays for secure three-phase motor control. You'll learn essential wiring techniques, protection configurations, compliance standards, and lockout/tagout protocols to confidently design, commission, and service motor circuits without issues.

4 to 360 hours 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. Progress from three-phase basics to installing compliant motor starters safely. Cover proper wiring, earthing, conductor selection, torque specs, standards application, protection device choices, short-circuit and overload coordination, plus lockout/tagout and commissioning steps for dependable performance.
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 align starters for optimal motor safeguarding.
- Standards-compliant design: implement IEC/NEC guidelines in three-phase motor setups.
- Commissioning and testing: check wiring, phase rotation, and protections 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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