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Brand: Siemens
Part No: 6ES7421-1BL00-0AA0
Type: Digital Input Module SM421
System: SIMATIC S7-400
Condition: New Open Box

The Siemens 6ES7421-1BL00-0AA0 is a digital input module SM421 for the SIMATIC S7-400 system, featuring optical isolation and 32 digital inputs at 24V DC. This module is suited for integration into industrial automation control setups requiring precise input management.

Siemens 6ES7421-1BL00-0AA0 Digital Input Module SM421 Simatic S7-400 421-1BL00

Name: Siemens 6ES7421-1BL00-0AA0 Digital Input Module SM421 Simatic S7-400 421-1BL00
Brand: Siemens
SKU: 4025515128892
Price: 199 EUR
Availability: InStock

SKU: 4025515128892

€199.00

Quantity

Only 1 left in stock

Shipping & Support

✓ Ships within 24 hours from stock

✓ Express shipping options available at checkout

✓ Worldwide insured shipping via UPS & DHL

✓ Includes 30-day warranty

Photos show the actual item. If multiple units are available, all are identical in condition and specifications.

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We supply industrial automation spare parts including PLCs, HMIs, CPUs, I/O modules, drives, sensors, and control components from leading brands such as Siemens, Beckhoff, Allen-Bradley, Omron, Schneider Electric, Eaton, and more. All parts are available from stock and ready for fast worldwide shipping. Aegean Automation is a trusted supplier of industrial automation components for production systems, machinery, and factory automation worldwide.

This product is used in industrial automation systems to support reliable operation and integration within control and monitoring environments.

It is commonly applied in PLC systems, control panels, and automation processes where stability and long-term performance are required.

Suitable for maintenance, replacement, or expansion of existing industrial automation systems.