Siemens · SIMATIC S7-300 / S7-400 (spares)
6ES7421-1BL01-0AA0
SIMATIC S7-400, digital input SM 421, isolated 32 DI; 24 V DC
Siemens 6ES7421-1BL01-0AA0 from Adeptek
Adeptek supplies 6ES7421-1BL01-0AA0 (SIMATIC S7-400, digital input SM 421, isolated 32 DI; 24 V DC) as Siemens Gold Distributor and Solution Partner. Ask us for the price, delivery time and alternatives; our engineers also help with selection, configuration and commissioning.
This product is discontinued. We look for remaining stock and propose a compatible successor or a migration path for your system.
Product data from our catalog; please confirm the order number with the manufacturer’s documentation before ordering.
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