Brand: Siemens
Part No: 6ES7521-1BL00-0AB0
Type: Digital Input Module DI 32x24 V DC HF
System: SIMATIC S7-1500
Condition: New Factory Sealed
The Siemens 6ES7521-1BL00-0AB0 is a digital input module for the SIMATIC S7-1500 system, featuring 32 input channels arranged in two groups of 16, with 2 inputs configurable as counters. It supports input delay between 0.05 and 20 ms, input type 3 (IEC 61131), diagnostics, and hardware interrupts, with the front connector available separately.
Need this part? Request a Quote for availability and pricing. We respond quickly and ship worldwide.
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.
Looking for this part?
Send us a request to check availability and price. We respond quickly and ship worldwide.
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.


















