Siemens 6ES7421-1BL00-0AA0 Simatic S7-400 digital input module 3/5/12/-12VDC
$63.20
Description
3/5/12/-12VDC
primary-switched mode
w/ DUNGS 213796 No
w/ NX-END02 Refer to photos
Siemens 6ES7421-1BL00-0AA0 Simatic S7-400 digital input module 3/5/12/-12VDCSIMATIC S7 400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 24V DC
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