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S7-400 Accessories, Digital Inputs
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Automation
614
Identification
20
Industrial Communication
719
LV Controlgear
91
Power Supplies
58
Pressure & flow sensors
1
Safety
307
Sensors
153
Switchgear and Circuit Protection
182
Variable Speed Drives
174
VSD
317
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Bihl & Wiedemann
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ESA Automation
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Helmholz
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Description
SM 421, 16 inputs, 120/230V ac/dc
S7-400 Accessories, Digital Inputs
Brand:
Siemens
Product Code: 6ES7421-1FH20-0AA0
Availability: In Stock
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