6ES7421-1EL00-0AA0
Siemens 6ES7421-1EL00-0AA0 is a SIMATIC S7-400 digital input module with 32 isolated DI and 120 V DC/AC input. Confirm stock and dispatch conditions.
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6ES7421-1FH20-0AA0
Siemens 6ES7421-1FH20-0AA0 is a SIMATIC S7-400 digital input SM 421 module with 16 DI, isolated inputs, and UC 120/230 V. Confirm stock and dispatch conditions for your order.
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6ES7421-7BH01-0AB0
Siemens 6ES7421-7BH01-0AB0 SIMATIC S7-400 digital input SM 421 with 16 DI, 24 V DC, diagnostics, and 0.05 ms input delay alarm. Confirm stock and dispatch conditions before ordering.
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6ES7421-1BL01-0AA0
Siemens 6ES7421-1BL01-0AA0 SIMATIC S7-400 digital input module with 32 DI and 24 V DC input voltage. Confirm stock and dispatch conditions before ordering.
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6ES7421-7DH00-0AB0
Siemens 6ES7421-7DH00-0AB0 SM 421 digital input module with 16 DI, AC/DC input voltage, and diagnostics. Confirm stock and dispatch conditions before ordering.
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