ATS Control Panel Wiring Diagram

We recommend that you make the panel according to the code of your country witjh particular attention to the size of the cables, nominal current, current transformers. Operating temperature plays an important role in de-rating the overall characteristics of the panel. The Be242 can work up to 70 degree celsius, no problem. High temperature may affect the long term functionality of the contactors, transfer switch and circuit breakers.  You have to take care to limit the current into the panel according to the maximum rating (so called AC1 current) of the contactor. In other words, in case of a short circuit on the LOAD you have to consider that a destructive current may flow through the panel. The controller has over current protection and will disable the Contactors. But, you have to consider the option of a total failure of the controller. In this case between the panel and the mains and between the panel and the generator we recommend that you insert an extra automatic circuit brekaer. If, for example, you have 110 Amp nominal AC1 contactor you may use a 100A circuit breaker. In case of short circuit, the circuit breaker will automatically open to protect the entire panel. Inside the panel, we recommend that you keep as short as possible the connections between the power terminal blocks and the internal 10 Amps circuit breaker. This will help the action of the circuit breaker in case of an internal short circuit. Finally, respect all rules to get the best insulation from the DC LOW VOLTAGE cable. This is really important in case of lightning. The Be242 can work with 12V or 24V batteries. But, you have to choose the appropriate relays an battery charger to match the battery of the generator.

BE242 CONTROLLER PAGE

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