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Watlow Electric Manufacturing Company

EZ-ZONE ST Integrated Controller

Type:  Controller
Description:  The EZ-ZONE ST integrated control loop solid state controller offers complete thermal system control in a single package solution. The EZ-ZONE ST offers a PID temperature controller connected to a high amperage solid state relay with the option of adding a properly sized heat sink, over/under temperature limit, shut-down power contactor, digital communications and remote user interface in one package.
Connectivity:  Modbus RTU, Modbus TCP
Features:  Back panel or DIN-rail mount; +/-0.1 percent temperature accuracy; three year warranty; advance controllability algorithm; profile capability; phase angle power switching and increased load current; single phase solid state relay output up from 40 to 75 amperes and phase angle power switching with soft-start to prevent high in-rush currents, load failure or blown fuses.
Specifications:  Line Voltage/ Power: 100 to 240VAC; + 10/-15 percent; (85-264VAC); 50/60Hz, +/-5 percent; 12VA maximum power consumption without mechanical contactor in system; 50VA maximum consumption with mechanical consumption used in system; 140VA if external contactor used in system; 140VA if using external contactor; data retention upon power failure via nonvolatile memory; Environment: 0 to 149 F (-18 to 70 C) operating temperatures, -40 to 85 C (-40 to 185 F) storage temperature, 0 to 90 percent RH, non-condensing