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Siemens 6ES7321-1BL00-0AA0

SIMATIC S7-300 Digital Input Module, Optically Isolated 32DI, 24VDC, 40 Pin

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Siemens 6ES7321-1BL00-0AA0 SIMATIC S7-300 Digital Input Module, Optically Isolated 32DI, 24VDC, 40 Pin — PLC Modules & Extensions
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Product Description

RoHS CompliantLifecycle Status:

The SIMATIC S7-300 is a high-performance digital input module designed for industrial automation applications. It features optically isolated inputs for enhanced safety and reliability. With 32 DI (digital inputs), this module can handle a wide range of signals, making it suitable for various industrial control systems.

The SIMATIC S7-300 Digital Input Module is powered by a 24 V DC voltage source, ensuring stable operation and compatibility with standard power supplies. It comes with a single 40-pin connector, providing easy integration into existing systems.

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Offer details

Best offer from:
Trusted supplier — Poland, member since 2025, 1–4 employees
Availability:
2 pcs.
In-Stock
Updated at: 08-09-2026
Warranty:
3 months
Condition:
Used
Used - A previously used item with possible signs of cosmetic wear. It is fully operational and functions as intended, though the original packaging may be missing.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Siemens
Redundancy
Supply voltage DC
20.4 V
Number of digital inputs
32
Number of digital outputs
0
Type of digital output
None
Input current at signal 1
7 A

Available Offers

(94)
Best offer
6ES7321-1BL00-0AA0 Siemens, PLC Modules & Extensions

Siemens

Available:
3 pcs.
In-Stock
Updated at: 31-10-2025
Offer from:
Trusted supplier — United Kingdom, member since 2021
6ES7321-1BL00-0AA0 Siemens, PLC Modules & Extensions

Siemens

Available:
2 pcs.
In-Stock
Updated at: 06-09-2026
Offer from:
Trusted supplier — Poland, member since 2022, 1–4 employees
Warranty:
3 months
6ES7321-1BL00-0AA0 Siemens, PLC Modules & Extensions

Siemens

Available:
18 pcs.
In-Stock
Updated at: 08-09-2026
Offer from:
Trusted supplier — Switzerland, member since 2023
Warranty:
6 months

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Documents

Data Sheet

Datasheet for Siemens 6ES7321-1BL00-0AA0, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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