Siemens 6ES7421-1BL01-0AA0 Digital Input Module SM 421

Product Overview

The Siemens 6ES7421-1BL01-0AA0 is a digital input module for the SIMATIC S7-400 series. This SM 421 module provides 32 isolated digital inputs operating at 24 V DC, enabling reliable signal acquisition for industrial automation systems. It is new, original, and comes with a 12-month factory warranty.

Key Features and Benefits

This module offers robust isolation for safe operation and precise input detection. Its compact design allows easy installation in control cabinets. Being in stock, it ships within 7 working days, facilitating quick integration into existing systems.

Technical Specifications

• Part Number: 6ES7421-1BL01-0AA0

• Manufacturer: Siemens

• Model: SIMATIC S7-400 Digital Input Module SM 421

• Input Channels: 32 Digital Inputs

• Voltage: 24 V DC

• Isolation: Yes

• Condition: New & Original

• Factory Warranty: 12 Months

• Availability: In Stock

• Estimated Lead Time: 7 Working Days

• Shipping Weight: 1 kg

Applications

The Siemens 6ES7421-1BL01-0AA0 is suitable for industrial process control, machine automation, and distributed I/O systems. Its 32 isolated inputs make it ideal for safely capturing multiple signals in complex automation setups.