About the IC3603A277A
The IC3603A277A is a Thermocouple Averaging Module created by General Electric for the Mark I and Mark II series. A thermocouple is a sensor used to measure temperature. Thermocouples are made with two wires of different metals, joined together at one end to form a junction. The junction is placed on the surface or in the environment that's being measured. As the temperature changes, the two dissimilar metals begin to deform, causing a change in resistance. Naturally, a thermocouple outputs a millivolt signal, therefore, as the resistance changes, the change in voltage can be measured. Thermocouples are desirable because they're extremely low cost, simple to use, and are capable of providing accurate readings. The IC3603A277A has three rows of toggle switches. There are six toggle switches in each row. In between each row of toggle switches is a black line with three rivets to secure it into place. Above the top line of toggle switches is a black strip with General Electric and the company logo printed on it, which is also riveted into place. To the right of the toggle switches is a small black faceplate with four rivets securing it to the IC3603A277A. The IC3603A277A secures into place with a few clips. The IC3603A277A is a large grey rectangular shape.
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**General Electric has provided the initial technical support. The staff at AX Control recommends referring to the original manufacturer's manual for safety procedures and instruction on how to install the part.
