New Siemens PLC 6ES7321-1FH00-0AA0 SM321 16-Channel Isolated 120/230V AC Digital Input Expansion Module
We supply brand new original Siemens 6ES7321-1FH00-0AA0, a high‑voltage SM321 digital input module for SIMATIC S7‑300 PLC systems. It provides 16 galvanically isolated digital inputs for 120/230V AC (47–63Hz), ideal for connecting AC sensors, limit switches, and mains‑rated control devices. Germany origin, factory sealed, 12‑month official warranty, in stock, competitive price, fast global delivery.