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Code Gecko
0610-100005
B-EXT-1R
Extension board kit for additional relay, for IN.YE-V3 only
You should also consider these companion products:
Code Gecko
0607-005012
IN.K450-3OP AND OVERLAY
Code Gecko
0607-005033
+IN.K1000-V2-BK-GE1
Code Gecko
0610-100006
B-EXT-COM-RS485