Name: 6ES7421-7DH00-0AB0
Brand: Siemens
SKU: 6ES74217DH000AB0
Price: 318.00 USD
Availability: PreOrder

Siemens > Automation > SIMATIC PCS 7 System parts > Process I/O > 6ES7421-7DH00-0AB0

Overview

Siemens 6ES7421-7DH00-0AB0 SIMATIC S7-400 SM 421 Module, 16-P

Mfr. Part Number:	6ES7421-7DH00-0AB0

Manufacturer:	Siemens

Description:	Siemens 6ES7421-7DH00-0AB0 SIMATIC S7-400 SM421 Digital Input, 16-P, 24-60V UC

Full Description:	Siemens 6ES7 421-7DH00-0AB0 SIMATIC S7-400 SM 421 Digital Input Module, (16) 24-60V AC/DC Digital Inputs, with Diagnostic Alarms and Hardware Interrupts, Optically Isolated

UPC / GTIN:	4025515128922

Status:	Current Product

Inventory & Prices

PLCH is Not Authorized Distributor of this product

Condition:

UPP (Used PLCH Packaging)

Warranty:

One Year PLCH Warranty.

Manufacturer's Warranty & Support DO NOT apply.

Availability:

10 available for pre-order

Shipping Date:

Ships on Jun 15, 2026

Estimated Value:

$495.00

Your Price:

$318.00

Quantity:

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Disclaimer

PLC Hardware (PLCH) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens or any other Manufacturers. PLCH is NOT Authorized Dealer of this product. The product may be of older version, date codes or design than that available from authorized dealers. As PLCH is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. PLCH sells pre-owned SURPLUS and USED equipment ONLY and DOES NOT sell SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining a proper license from the manufacturer. PLCH makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. PLCH also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from Original Manufacturer, its distributors, or any other source. PLCH also makes no representations as to your right to install any such software or firmware on the product. PLCH will not obtain or supply software or firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing software or firmware. Customer acknowledges and agrees that PLCH DOES NOT provide any software, firmware, operating system or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance and upgrades are subject to applicable manufacturer's Licensing Agreement or similar document.

Specs & Technical Data

Specifications:	Siemens 6ES7421-7DH00-0AB0 SIMATIC S7-400 SM 421 Digital Input Module, Number of Inputs: 16.

Miscellaneous:	Siemens 6ES7 421-7DH00-0AB0 Digital input modules can be used to connect the control to digital process signals. The 6ES7421-7DH00-0AB0 Modules are suitable for connecting standard switches and two-wire proximity switches (BERO). Digital input modules convert the levels of the external digital signals from the process into the internal signal level of the S7-400.