SIEMENS 6ES5440-8MA21 DIGITAL OUTPUT MODULE
The Siemens 6ES5440-8MA21 is a robust digital output module from the SIMATIC S5 family, designed for reliable performance in industrial automation systems. It offers high-efficiency switching for S5-90U, S5-95U, S5-100U, ET 100U, and ET 200U configurations, delivering consistent control over 24 VDC outputs.
Manufacturer: Siemens
Type: Digital Output Module
Family: SIMATIC S5
Model: 6ES5440-8MA21
Technical Information
- For: S5-90U / S5-95U / S5-100U, ET 100U, ET 200U
- Output Voltage: 24 VDC
- Output Current: 2 A











