Siemens 6ES5444-5AA11 Digital Output

Why This Output Module Controls AC Loads Efficiently

This digital output module switches eight independent AC load circuits. You get a robust Siemens 6ES5444-5AA11 for SIMATIC S5 programmable controllers. It drives contactors, valves, and heaters directly from the PLC. Therefore, your system eliminates external intermediate relays for most applications.

Technical Specifications and Physical Details

The Siemens 6ES5444-5AA11 provides eight triac output channels on one board. Each channel handles up to 2 amps of continuous current at 120-230V AC. This module fits into a standard S5 rack slot. Its dimensions measure approximately 250 mm in width and 25 mm in height. The unit weighs around 0.46 kg for straightforward installation. This output card stores no configuration data internally. Instead, the CPU holds all logic and state information. Consequently, you lose no settings during a module replacement.

Below is the detailed breakdown of the hardware specifications.

Parameter	Specification
Product Model	6ES5444-5AA11
Product Type	Digital Output Module
Brand	Siemens
Family	SIMATIC S5
Number of Outputs	8 channels
Output Technology	Triac
Output Voltage	120 to 230 V AC
Output Current	2 A per channel
Slot Requirement	1 S5 rack slot
Dimensions (W x H)	Approx. 250 x 25 mm
Approx. Weight	0.46 kg
Interface Type	Backplane + front connector
Energy Storage	None (passive output stage)
Component Count	Single integrated board

Installation and Wiring Notes

This module connects directly to AC loads using a front connector. You must fuse each output channel separately for short-circuit protection. The Siemens 6ES5444-5AA11 features screw-type terminals for secure wiring. Therefore, field connections remain stable even with vibration. Always use copper conductors rated for 75°C minimum. Undersized wires will overheat under full load conditions.