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Datasheet generated 2026-10-07
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Siemens SIMATIC S7 automation module 6ES7221-3BF50-0XB0

Siemens · Control & Automation · I/O Modules · Germany · siemens.com
Part Number
6ES7221-3BF50-0XB0  ·  HS 8538.90
Siemens SIMATIC S7 automation module 6ES7221-3BF50-0XB0

Siemens 6ES7221-3BF50-0XB0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. SIMATIC S7-1200 G2: SB 1221 digital input, 8 DI 100 kHz; inputs: 8x DI 24 V DC sink/source, 100 kHz.

Technical Specifications

Manufacturer part number (MPN)6ES7221-3BF50-0XB0
EAN / GTIN4047623417187
Sales unitpcs
Number of digital inputs8
Digital inputs configurableYes
Digital outputs configurableYes
Input current at signal 16 mA
Permitted voltage at input0–30 V
Type of voltage (input voltage)DC
RedundancyNo
Type of electric connectionSpring clamp connection
Time delay at signal change0.1–20 ms
Suitable for safety functionsNo
Appendant operation agent (Ex ia)No
Explosion safety category for gasATEX gas-ex-protection, Cat. 3G
Explosion safety category for dustNone
Width15 mm
Height62 mm
Depth63 mm
Country of originChina

Properties

MOQ1

Cross-References

Attached Documents