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. Master wiring techniques, protection configurations, code requirements, and lockout procedures to confidently design, test, commission, and service motor circuits 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 practical training from three-phase basics to secure motor starter setups. Cover proper wiring, grounding, cable sizing, torque specs, standards compliance, protection selection, short-circuit and overload coordination, plus lockout/tagout and commissioning 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 isolate local motor disconnects properly.
- Contactor and overload setup: select, connect, and align starters for motor safeguarding.
- Standards-based design: implement IEC/NEC guidelines in three-phase motor systems.
- 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 workload.What our students say
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