Dual Inputs Dual Process Controller Output #1 (C) - Switched DC/Open Collector  Output #3 (E) - Mechanical relay 5A, Form C Output #4 (J) - Mechanical relay 5A, Form A Line Voltage 20 to 28VAC or 12 to 40VDC

One Universal Input Output #1 (E) - Mechanical Relay, Form C Output #3 (E) - Mechanical Relay, Form C Operating Voltage 20 to 28VAC or 12 to 40VDC Auto-Tune PID Controller With Extensive Menu Options

One Universal Input Output #1 (E) - Mechanical relay 5A, Form C Output #3 (E) - Mechanical relay 5A, Form C Operating Voltage 100 to 240VAC Auto-Tune PID Controller With Extensive Menu Options

One Universal Input Output #1 (C) - Switched DC/open collector Output #2 (J) - Mechanical relay 5A, Form A Output #3 (F) - Universal process Output #4 (J) - Mechanical relay 5A, Form A Operating Voltage 100 to 240VAC Auto-Tune PID Controller With Extensive Menu Options

One Universal Input Output #1 (E) - Mechanical relay 5A, Form C Output #2 (J) - Mechanical relay 5A, Form A Output #3 (F) - Universal process Operating Voltage 100 to 240VAC Auto-Tune PID Controller With Extensive Menu Options

One Universal Input Output #1 (E) - Mechanical relay 5A, Form C Output #2 (J) - Mechanical relay 5A, Form A Output #3 (F) - Universal process Operating Voltage 100 to 240VAC Auto-Tune PID Controller With Enhanced Menu Options Has isolated input 1 and isolated input 2