Brochure/Catalogue

The ORing technology in the PROtop power supplies improves performance and reduces system costs.
PROtop guarantees maximum supply reliability for
continuous operation systems in particular. This is achieved
thanks to the reliable redundant power supply, the long-term
stability as a result of the parallel connection option with
ORing MOSFETs and the corrosion-proof protective coating
on the PCBs.
Simpler build-up, improved performance: systems with traditional diode and redundancy modules compared to PROtop
power supply systems with future-proof ORing technology.
The benets of integrated ORing MOSFETs
• Accelerated build-up of a redundant power supply
• No additional redundancy or diode modules
• Reduced space requirements
• Lower system costs
• Increased system availability
Innovative elements such as the integrated ORing MOSFETs set new standards in
the eld of power supply units. These elements reduce system costs and increase
system availability.
Conventional redundancy concepts require additional redundancy or diode
modules with high space requirements and large power losses. Newer systems
with MOSFET transistors reduce power loss to approx. 10% but still take up a lot
of space in the control cabinet.
The integrated ORing MOSFETs in PROtop provide high power with minimal
dimensions and do not require any additional assembly or wiring work. This
reduces system costs and saves space in the control cabinet. The parallel
operation option makes current sharing easier and guarantees maximum long-
term stability.
Direct parallel connection option without diode modules
Integrated ORing MOSFETs increase efciency
Topic With ORing technology Traditional concepts
Long-term stability good to excellent thanks to parallel mode bad to medium due to cable resistances
current balancing @ factory settings (e.g. @ 24 V DC no (thanks to parallel operating mode) yes, fine adjustment due to cable resistances
Number of components 2 x PSU (power supply units) 2 x PSU + redundancy module
Wiring optimised additional cables for power and signals
Space requirement optimised 20–40% more
Power loss reduced to a minimum significantly higher
System costs optimised higher
N+1 redundancy / more than 2 PSU yes no
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