Controller,12 to 24VAC
43 in, Height 3.43 in.Controller, Input Voltage 12 to 24V AC, Output Type Analog, Relay, 2 A Amps, Timers Programmable, Yes Clock, 4 Seven-Segment Display Display, Port Type LAN Expansion Bus, contacts usage Volt-free contacts, Discount Schedule PC12, Environmental Disclosure Product Environmental Profile, Modicon M171 Optimized Display 22 I/Os,, mounting support DIN rail, product specific application HVAC and pumping solution, relative humidity 10�90 Percent non-condensing, Depth 2.