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Siemens SIMATIC 6ES5440-8MA21

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6ES5440-8MA21

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The Siemens 6ES5440-8MA21 digital output module is engineered to deliver reliable 24 V DC outputs. Designed for use in the SIMATIC series, this module features four digital outputs with a rated current of 2.0 A each.

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Technical specifications for 6ES5440-8MA21

ManufacturerSiemens
Product TypeDigital Output Module
Product LineSIMATIC
Part Number6ES5440-8MA21
Weight2.19 lbs (0.99 kg)
Number of Digital Outputs4 outputs
Output Voltage24 V
Voltage TypeDC
Rated Current2.0 A
Rated Power10 W
Fault Indication (LED)LED for short-circuit
Fault Indication (LED) ColorRed
Short-Circuit ProtectionShort-circuit-protected output with automatic switch-on
Power Loss4.8 W
Maximum Cable Length100 m
Current of All Outputs4.0 A
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The Siemens 6ES5440-8MA21 is a compact digital output module, part of the SIMATIC series. This unit is built to operate with a DC voltage output of 24 V, making it suitable for various automation tasks. With four independent digital outputs, each capable of a maximum rated current of 2.0 A, it achieves a total output capacity of 4.0 A across all outputs.

The module’s rated power is set at 10 W, with a power loss of 4.8 W during operation. It allows for cable lengths of up to 100 meters, providing versatility in installation. An integrated LED indicates faults, specifically for short-circuit conditions, with the LED illuminating in red to signal a problem. The output is equipped with short-circuit protection, enabling automatic reactivation once the fault has been resolved.

The Siemens 6ES5440-8MA21 serves as a crucial component for effective control in automation systems, ensuring efficient management of digital signals.