Description
no possibility for further test
has not been tested since
See Photos
Missing back cover
UL rating 30V AC/DC
Siemens 6ES7421-1BL00-0AA0 Simatic S7-400 digital input module no possibility for further testSIMATIC S7 400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 24V DC
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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