Disconnect Switch, Contactor, and Thermal Relay Course
Master disconnect switches, contactors, and thermal overload relays for safe, reliable three-phase motor control. Learn wiring, protection settings, codes, and lockout/tagout so you can design, commission, and maintain motor circuits with confidence.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
Master disconnect switches, contactors, and thermal overload relays with a focused, hands-on course that takes you from three-phase fundamentals to safe, compliant motor starter installations. Learn correct wiring sequences, earthing, conductor sizing, and torque practices, then apply standards, select protection devices, coordinate short-circuit and overload settings, and follow clear lockout/tagout and commissioning procedures for reliable, trouble-free operation.
Elevify advantages
Develop skills
- Motor control wiring: build safe L1–L3 power and Start/Stop control circuits fast.
- Disconnect and LOTO: select, mount, and lock out local motor isolators correctly.
- Contactor and overload setup: size, wire, and coordinate starters for motor protection.
- Standards-based design: apply IEC/NEC rules to real three-phase motor circuits.
- Commissioning and testing: verify wiring, rotation, and protection before energizing.
Suggested summary
Before starting, you can change the chapters and 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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Course in PDF