Siemens SIMATIC S7-400 SM421 6ES7 421-1FH20-0AA0 Digital Input Module | Used

The Siemens SIMATIC S7-400 SM421 6ES7 421-1FH20-0AA0 is a digital input module for S7-400 PLC systems, used to read digital field signals. Suitable for rack mounting within an S7-400 system.

Key Benefits

• Digital input acquisition for S7-400 PLCs
• SM 421 input module for field signal reading
• Rack-mount integration within the S7-400 system
• Proven module for control and automation systems
• Siemens quality — reliable operation in industrial environments

Features

• Part Number: 6ES7 421-1FH20-0AA0
• Series: SIMATIC S7-400 (SM 421)
• Type: Digital Input Module
• Mounting: S7-400 rack
• Brand: Siemens

Condition: Used

This is for 1 Unit(s).

What you see in the product images is exactly what you receive — no surprises.

Note: Customs fees and import duties for international orders are the responsibility of the buyer.