11Operating Instructions SEG1 Safety1.3.2 Safety instructions for avoiding personal in-juryAlways observe the following safety instructions to avoidpersonal injury:Risk of death from electrical shock!To prevent health and safety risks, always follow thesefive safety rules:1. Disconnect from power supply.2. Secure from being switched on again.3. Check absence of voltage.4. Ground and short-circuit.5. Cover or block off adjacent live parts.Before starting working on the electrical system, applythe five safety rules in the order mentioned above. Afterwork is complete, cancel the steps in reverse order.Danger!The lines fed into the device must not block the mecha-nism in the device.Use the fastening clamps available in the device to at-tach the lines. Combine the lines meaningfully, usingcable ties if required.The lines installed outside the device must not block therelease lever or the reset lever.Warning!The devices may be used in control circuits only.Warning - risk of falling parts!When working on the device, there is a risk of injuryfrom falling parts.Wear a hard hat and safety shoes to protect your headand feet from injury.!!!