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Datasheet generated 2026-10-07
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Siemens SIMATIC S7 automation module 6ES7521-1BL10-0AA0

Siemens · Control & Automation · I/O Modules · Germany · siemens.com
Part Number
6ES7521-1BL10-0AA0  ·  HS 8538.90
Siemens SIMATIC S7 automation module 6ES7521-1BL10-0AA0

Siemens 6ES7521-1BL10-0AA0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. DI 32x24VDC BA 25mm.

Technical Specifications

Manufacturer part number (MPN)6ES7521-1BL10-0AA0
EAN / GTIN4047623402527
Sales unitpcs
Voltage type (supply voltage)DC
Number of digital inputs32
Digital outputs configurableNo
Input current at signal 12.7 mA
Type of voltage (input voltage)DC
Type of digital outputNone
Short-circuit protection, outputs availableNo
Type of electric connectionPlug-in connection
Explosion safety category for gasATEX gas-ex-protection, Cat. 3G
Explosion safety category for dustNone
Width25 mm
Height147 mm
Depth129 mm
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents