Step1: Turn off main power and verify no voltage with tester before starting.
Step2: Mount contactor securely in enclosure on DIN rail or panel.
Step3: Connect line and load terminals per wiring diagram, tighten screws.
Step4: Attach control coil wiring for supply with correct polarity if required.
Step5: Add safety ground connection and ensure insulation is intact.
Step6: Restore power and test operation for proper switching operation.
Step7: Check for overheating, noise, or loose connections during initial run.