New Siemens PLC Module 6ES7221-1EF22-0XA0 EM221 8-Channel Isolated AC Digital Input Module
Genuine New Siemens 6ES7221-1EF22-0XA0，part of SIMATIC S7-200 series, EM221 8-channel optically isolated AC digital input module（8DI），exclusively for S7-22X CPUs. Designed for 120/230V AC signal detection with wide voltage adaptation and strong anti-interference.