SIEMENS 3UL2303-1A Residual-current transformer for residual current monitoring inlet opening 55 mm


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Residual-current transformer for residual current monitoring inlet opening 55 mm
Analog monitoring relay Phase failure and sequence 3 x 160...690 V 50...60 Hz AC 1 change-over contact spring-type connection system Line monitoring relay SIRIUS 3UG4 for monitoring phase sequence, phase failure and phase asymmetry, e.g. with mobile systems such as A/C compressors, refrigerated containers, construction site compressors or cranes.Worldwide use thanks to international certificates. Different versions enable application-related selection of products. Less space required in the control cabinet thanks to slim design. All versions with removable terminals.In addition to screw terminals, all the devices are also available with spring-type terminals for fast, maintenance-free and vibration-proof connection. Versions with a wide voltage range and without auxiliary voltage can be used in any networks worldwide.The comprehensive range of accessories, such as unit labeling plates, push-in lugs and cover caps, is standardized for all relays.SIRIUS relays - one range for every application.
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