Disconnect Switch, Contactor, and Thermal Relay Course
This course equips you with skills in disconnect switches, contactors, and thermal relays for safe three-phase motor control. You'll learn wiring techniques, protection configurations, compliance standards, and lockout procedures to confidently install, test, and service motor systems 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 practical training from three-phase basics to secure motor starter setups. Master wiring steps, grounding, cable sizing, torque specs, standards application, protection choices, short-circuit and overload coordination, plus lockout/tagout and startup processes for dependable motor operation.
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 motor safeguarding.
- Standards-based design: implement IEC/NEC guidelines in three-phase motor setups.
- Commissioning and testing: check wiring, phase rotation, and safeguards 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 workloadWhat our students say
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