Disconnect Switch, Contactor, and Thermal Relay Course
This course equips you with skills in disconnect switches, contactors, and thermal overload relays for secure three-phase motor control. Master wiring techniques, protection coordination, code compliance, and safety protocols like lockout/tagout 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 relays through practical training from three-phase basics to compliant motor starters. Cover wiring, earthing, sizing, torque specs, standards, protection selection, settings coordination, and lockout/tagout plus commissioning 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 apply lockout to 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 workload.What our students say
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