Modem communication interface, Zelio Logic, for smart relay

This SR2 communication interface has a coil control voltage of 12V-24V DC. It can transfer program, send alarm to e-mail,and send alarm/receive instruction. It monitors or remotes control of machine or installation that operate without personnel. Communication interface allows messages, telephone numbers, and calling. It has flexibility design for space-saving with retractable mounting lug, spring for clip-on.