Siemens 6ES7 421-1FH00-0AA0 SIMATIC S7-400 SM 421 AC INPUT (((FACTORY SEALED)))

SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 16 DI, 120/230V AC



Shipping: Monday-Friday (no shipping on Saturday or Sunday) Call if you need overnight shipping before you order 
• First Class 3-5 days
• Priority Mail, 2-3 business days until its at your door. 
• Domestic USPS Express Shipping, Done USPS Express mail ((1 or 2 days))
• UPS is available for USA only, you must contact us before making the purchase 
• International shipping UPS (3-5 days) or USPS (7-14) ((NO RETURNS FOR INTERNATIONAL ORDERS))
• We will combine all shipping when possible

Notes:
• Item(s) are shipped the next business day once payment is received and cleared. (trainers are 2-3 days)
• We offer a 30day guarantee on all of our products. No risk, guaranteed if our item(s) fail please contact us to discuss refund or exchange (excluding S&H).  Our programming cables have a LIFETIME guarantee. If the item is factory sealed by the manufacture it must be returned still with the factory sealed package or no refund will be given. 
• All cables are made by us not by the manufacture of the PLC/Controller (i.e. Allen Bradley, Siemens, etc.)