Siemens 6ES7421-1BL01-0AA0 SIMATIC S7-400 SM 421 Module IP20 4 x inputs for
$15.20
Description
IP20 4 x inputs for 3-wire sensor External sensor supply 4 x 1 output
text is very faint but visible
Single-/three-phase flashing light with micro unipolar control
Missing plastic mount in the back
Siemens 6ES7421-1BL01-0AA0 SIMATIC S7-400 SM 421 Module IP20 4 x inputs forHas discoloration and scratches on the surface
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