Best offer
Siemens
- Available:
- 5 pcs.In-StockUpdated at: 19-08-2026
- Offer from:
Trusted supplier — Germany, member since 2024- Warranty:
- 24 months
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Siemens 6ES7421-1BL01-0AA0
SIMATIC S7-400 SM 421 Digital Input Module
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Product Description
RoHS CompliantLifecycle Status:
The SIMATIC S7-400 SM 421 Digital Input Module is a high-performance component designed for industrial automation applications. It offers optically isolated digital inputs, providing robust protection against electrical noise and interference. The module supports up to 32 digital inputs, making it suitable for complex control systems that require extensive input handling.
Powered by a 24 V DC supply, this module ensures reliable operation in various industrial environments. Its compact design and advanced isolation technology make it an ideal choice for applications where safety and reliability are paramount.
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Offer details
- Best offer from:
Trusted supplier — Poland, member since 2021, 5–9 employees- Availability:
- 1 pc.In-StockUpdated at: 24-08-2026
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Redundancy
- Number of digital inputs
- 32
- Number of digital outputs
- 0
- Type of digital output
- None
- Input current at signal 1
- 7 A
- Permitted voltage at input
- -30 V
Available Offers
(49)Siemens
- Available:
- 40 pcs.In-StockUpdated at: 19-08-2026
- Offer from:
- Trusted supplier — Germany, member since 2024
- Warranty:
- 24 months
Siemens
- Available:
- 11 pcs.In-StockUpdated at: 19-08-2026
- Offer from:
- Trusted supplier — Germany, member since 2024
- Warranty:
- 24 months
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Documents
Data Sheet
Datasheet for Siemens 6ES7421-1BL01-0AA0, including specifications and features.
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TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
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High-performance digital output module with 32 isolated outputs for reliable and efficient control in industrial automation.
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