--- title: 05-How to use LCD BCU Protecta Relay slug: 05-how-to-use-lcd-bcu-protecta-relay docTags: createdAt: 2021-12-21T08:01:21.000Z --- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/FVweYR35GJ4wnS67B-mde_image.png) ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/rQu11xGIaFhIi1275iqKq_image.png) ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/ywwInbyrWDgO14Fe1zL4U_image.png) ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/PMxZ51kUXdhDsGEtGWlq3_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/T1OXmktKIT9wkDdtrdXAp_image.png) ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/u3vFqKC3StVZ-Oo4f6kxJ_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/z7UI2rH4GdZtfA0JJ-RYK_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/SClTmfgUX8qGzjofXWb1D_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/FndEpd-0PXwvRWtrXX-OP_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/6tE0lhL7ZPE2OVG5_OgA5_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/GVG83YBAIb_wq66t19xGK_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/Genx9Tw11yefRZrjtj1_4_image.png) ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/XZXGl0-khUYqG4Mu6EAZA_image.png) \-------------------------------------------------------------------------------------------------------------------------------------------- ![](https://api.archbee.com/api/optimize/tFXfhzvV83pm_CfOOnnzT/fhrIlfdQ8jZciHbGR2hXO_image.png)