The Siemens 6ES7223-1HF21-0XA0 is the SIMATIC S7-200 EM 223 expansion module, delivering 4 digital inputs and 4 relay outputs. This module is strictly compatible only with S7-22X CPUs — do not assume it works with other S7-200 family CPUs. The inputs accept 5-30V DC, and the relay outputs are rated for 250V AC.
Siemens 6ES7223-1HF21-0XA0 EM 223, 4DI/4DO relay
MPN6ES7223-1HF21-0XA0
SIMATIC S7-200, EM 223, 6ES7223-1HF21-0XA0, 4 DI / 4 DO relay, for S7-22X CPU only.
$237.86Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.23 kgs |
Product details
Frequently asked questions
What is 6ES7223-1HF21-0XA0?
It is a SIMATIC S7-200 digital I/O expansion module EM 223, providing 4 inputs and 4 relay outputs, designed exclusively for S7-22X CPUs.
MPN
6ES7223-1HF21-0XA0