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Home page SIMATIC Automation Technology SITOP Power supply Add-on modules
Add-on modules
Expansion modules for increasing system availability
A power supply unit on its own cannot guarantee fault-free 24 V supply. Power failures, extreme variations in the mains voltage, or a faulty load can cripple plant operation and result in high costs. The add-on modules offer everything from extensive protection against interference on the primary and secondary side right up to complete all-round protection.
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