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Siemens 6ES7321-1BL00-0AA0
SIMATIC S7-300 Digital Input Module, Optically Isolated 32DI, 24VDC, 40 Pin
Product Description
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
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees - Availability:
- On requestLead time to be confirmed
- Warranty:
- Not specified
- Condition:
- New Surplus
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
(92)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Surplus | Availability On requestLead time to be confirmed | SupplierRomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified | |
| Condition Used | Availability 2 pcs. Updated at: 13-09-2026In-Stock | Supplier PolandTrusted supplier — member since 2022, 1–4 employees | Warranty 3 months | |
| Condition New Factory Sealed | Availability 3 pcs. Updated at: 31-10-2025In-Stock | Supplier United KingdomTrusted supplier — member since 2021 | Warranty Not specified | |
 | Condition Used | Availability 9 pcs. Updated at: 16-09-2026In-Stock | Supplier GermanyTrusted supplier — member since 2023 | Warranty 12 months | |
 | Condition New Surplus | Availability 1 pc. Updated at: 16-09-2026In-Stock | Supplier United StatesTrusted supplier — member since 2022, 50–99 employees | Warranty 2 months | |
| Condition New Surplus | Availability 2 pcs. Updated at: 16-09-2026In-Stock | SupplierUnited StatesTrusted supplier — member since 2022, 50–99 employees | Warranty 2 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 6ES7321-1BL00-0AA0, 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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