Adapters and phase rotation testers from Testboy indicate the direction of rotation of three-phase systems and motors quickly and reliably. Whether contactless phase rotation measurement or testing directly at the CEE socket: with these handy test instruments you can determine in seconds whether the phase rotation is clockwise or anticlockwise – indispensable for installation, commissioning and troubleshooting on three-phase systems.










Discover our complete range of test and measuring instruments in the current Testboy catalogue – browse it conveniently online or download it as a PDF (in German).
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