751167 24 V dc Safety Relay – Dual Channel With 3 Safety Contacts PNOZ s7.1 Range

751167 24 V dc Safety Relay – Dual Channel With 3 Safety Contacts PNOZ s7.1 Range. The safety relay meets the following safety requirements The circuit is internally redundant with built-in self-monitoring. The safety device remains effective in the case of a component failure. The correct opening and closing of the safety device relays is tested automatically in each on-off cycle.