power supply 230v 15 10 50hz. output 1 relay x e.v. 4 2 a 250v spdt. output 2 relay x alarm 4 2 a 250v spst. indicators active alarm1 alarm2 green red red led. delay on e.v. relay 15 sec. push buttons test reset. case 3 modules for din rail. dimensions h96 w53 d73mm. protection grade ip30.