Safety relays PNOZ X monitor functions such as emergency stop, safety gates, light barriers, light grids, light curtains and limit switches. One PNOZ safety relay is used per safety function. 

• Tailor-made safety for each function
• Electromechanical, volt-free
• With universal power supply
• Redundant circuit with built-in self-monitoring
• Safety function remains effective in the case of a component failure
• Correct opening and closing of the safety function relays is tested automatically in each on-off cycle