Source google image: https://www.pompes-h2o.com/3469-thickbox_default/coffret-de-gestion-pompe-de-relevage-230-400v-.jpg
Schema electrique station de relevage
Source google image: https://www.pompes-h2o.com/3469-thickbox_default/coffret-de-gestion-pompe-de-relevage-230-400v-.jpg