Contact   protection   relays,   power supply and   control circuit   electrically isolated ,  response time  and delay  on release  from 0.05 to 1   s   adjustable   contacts:   2 changeover contacts , rated voltage:  ( specify when ordering)  AC 24   V 50 - 60   Hz ,  AC   110-127   V   50 - 60   Hz   ,   AC 220   - 240 V   50 - 60   Hz ,  screw clamps ;  Mounting:   DIN rail ;  Width 45   mm