SITOP PSU8600 is the first power supply system that is completely embedded in Totally Integrated Automation (TIA) and the TIA Portal. It now supports OPC UA.
Reduce downtime with remote monitoring and diagnostics via the integrated webserver or PROFINET. Have an alarm sent if your system encounters a problem like overload or short-circuit.
Save costs by extending the 40 A or 20 A base unit with up to 20 total outputs – no additional wiring required with the system clip link and expansion modules.
Flexibility means less power supplies needed. Adjust each output independently from 5-28 V DC depending on your system requirements.
Three new base units, two new buffer modules and a whole range of new functions – the innovative SITOP PSU8600 power supply system is setting a new milestone for providing power to plants and machinery.
Discover all new features of SITOP PSU8600
The quantum leap when it comes to power supply - now even more flexible, efficient and powerful.
Experience what's new in the SITOP PSU8600
Greater product selection, even narrower overall widths, The next quantum leap in power supply innovations.
SITOP PSU8600 is the first power supply system that is completely embedded in Totally Integrated Automation (TIA). Not only does this facilitate especially user-friendly engineering in the TIA Portal, but also extensive evaluation of operating and diagnostics data as well as energy management functions. Not only this, SITOP PSU8600 can also be optimally integrated into existing automation networks via the integrated PROFINET communication.
Thanks to its compact and modular system design, SITOP PSU8600 can be adapted to address the widest range of requirements, and when necessary, can be flexibly expanded. Also when it comes to energy saving, the system has proven to be highly efficient. For instance, thanks to its very high efficiency, by supporting PROFIenergy or by being able to be integrated into energy management systems.
And, when it comes to reliability: 50% extra power for short-term loads, comprehensive monitoring and diagnostic capability, integrated overload monitoring for every output as well as the ability to buffer brief power failures (up to 20 seconds) are just some of the advantages that the SITOP 8600 can offer.
SITOP PSU8600 Base Units
Rated output current
20 A, 1 x 20 A
40 A, 1 x 40 A
20 A, 4 x 5 A
40 A, 4 x 10 A
Rated output voltage
DC 24 V, setting range per output: DC 5 V … 28 V
Overload characteristics (extra power)
30 A for 5 s/min
60 A for 5 s/min
Overload protection, adjustable current threshold
2 … 20 A
4 … 40 A
0.5 … 5 A
0.5 … 10 A
Approx. efficiency for rated value.
2 Ethernet/PROFINET ports
Dimensions W x H x D (mm)
80 x 125 x 150
125 x 125 x 150
100 x 125 x 150
SITOP CNX8600 Expansion Modules
4 x 5 A
4 x 10 A
Overload protection, adjustable current thresholdDC 5 V … 28 V
0.2 … 5 A
Number of modules in system, max.
4 (any combination possible)
60 x 125 x 150
SITOP BUF8600 Buffer Modules
100 ms/40 A
300 ms/40 A
4 s/40 A
10 s/40 A
Buffering time at DC 24 V/5 A
Buffering time at DC 24 V/10 A
Buffering time at DC 24 V/20 A
Buffering time at DC 24 V/40 A
Typical charging time
Max. current in buffer operation
60A for 5s/min
60A for 5 s/mi
60A for 5 s/min
2 (any combination possible)
+ Buffer deactivation, e.g. when system is shut down + Brief interruption to output voltage when power supply is resumed during buffering, to automatic PC restart
PSU8600 Testimonial Video
PSU8600 HMI Faceplate Configuration Video
PSU8600 Demo Video
PSU8600 Adding Function Blocks Video
PSU8600 Intro and TIA Portal Configuration Video