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Siemens 6ES7321-1BP00-0AA0
SIMATIC S7-300 Digital Input Module SM321, Optically Isolated in Groups of 16
Product Description
The SIMATIC S7-300 Digital Input Module SM321 is an optically isolated device that operates in groups of 16. It features 64 DI (Digital Inputs), with a DC voltage rating of 24V and a response time of 3ms. This module supports sink/source input terminal blocks, ensuring reliable data transmission. To complete the setup, you will need the terminal block 6ES7392-1.N00-0AA0 and cable 6ES7392-4...0-0AA0.
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Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
- Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Number of inputs
- 64
- Number of outputs
- 0
- Input voltage, type
- DC
- Supply voltage type
- DC
- Manufacturer name
- Siemens
- Number of inputs, digital
- 64
Available Offers
(11)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
![]() | Condition New Surplus | Availability On requestLead time: 21 days | Supplier | Warranty Not specified | |
| Condition Refurbished | Availability 2 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Surplus | Availability 3 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Surplus | Availability 9 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Surplus | Availability 5 pcs. Updated at: 16-09-2026In-Stock | Supplier | Warranty 12 months | ||
![]() | Condition New Factory Sealed | Availability 17 pcs. Updated at: 16-09-2026In-Stock | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 6ES7321-1BP00-0AA0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026

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