Step1: Turn off main power and verify circuit is completely de-energized using a tester.
Step2: Mount switch on panel using appropriate bracket and ensure firm alignment.
Step3: Identify terminals and follow wiring diagram carefully before connections.
Step4: Connect line, load, and ground securely with insulated tools.
Step5: Tighten terminals to rated torque specifications to avoid overheating.
Step6: Test mechanical roller actuation for smooth and proper response.
Step7: Restore power and verify operation under normal load conditions.