Siemens 6ES7 321-1FF01-0AA0 SIMATIC S7-300 Digital Input Module SM 321 | Used (Lot of 5)

The Siemens 6ES7 321-1FF01-0AA0 is a digital input module (SM 321) for the SIMATIC S7-300 PLC system, providing 16 digital inputs at 120V AC for industrial automation applications. This listing is for a lot of 5 units.

Key Benefits

• 16 digital input channels for S7-300 systems
• 120V AC input rating for industrial field signals
• Reliable Siemens SIMATIC build quality
• Bulk lot — ideal for stock, spares, or multi-station installations
• Tested and functional, ready to install

Features

• Part Number: 6ES7 321-1FF01-0AA0
• Type: Digital Input Module, SM 321
• System: SIMATIC S7-300
• Manufacturer: Siemens
• Brand: Siemens

Condition: Used — tested and functional

This is for 5 Units (Lot of 5).

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.