Ebtron HVAC Logic Board w/ Enclosure Rev A Input: 24V AC/DC Sensor Out: 4-20mA

D2-04B Direct Logic 4 Slot AC Base

Ebtron HVAC Logic Board Rev A Input: 24V AC/DC Sensor Output: 4-20mA

Moor Instruments DRT4DG CPU Logic Board

Moor DRT4A Logic Board

OPTO 22 G4IAC5, DIGITAL INPUT MODULE, 120V AC ~ 5V DC - LOGIC, SEE DESC #332295

OPTO 22 G4IAC5, DIGITAL INPUT MODULE, 120V AC ~ 5V DC - LOGIC, SEE DESC #332296

Siemens LOGO! Programmable Logic Module 6ED1 052-1FB00-0BA4 115-240V AC/DC Used