SIEMENS SIMATIC S7-300 Ex digital input module, SM321, 4DI, DC24V, HAZARDOUS AREAS

Specifications

• SIMATIC S7,
• digital input SM 321,
• isolated,
• 4 DI;
• 24 V DC,
• NAMUR/DIN 19234,
• for signals from the hazardous area,
• diagnostics-capable,
• PTB tested