# \#nucleo-gx

**URL:** https://community.victronenergy.com/tag/nucleo-gx/348.md

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## [Multi RS AUX inputs](https://community.victronenergy.com/t/multi-rs-aux-inputs/63698)

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**Author:** [@Matsuda](https://community.victronenergy.com/u/Matsuda)\
**Replies:** 2\
**Last updated:** [8 October 2026 17:56 UTC](https://community.victronenergy.com/t/multi-rs-aux-inputs/63698 "2026-10-08T17:56:09Z")

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Hi all, I’m considering to use the Nucleo for my future Multi RS installations. One thing about the Nucleo is that it has no dry contacts; it so happens I always use the Cerbo’s dry contacts to connect CO/smoke detecto…

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## [Is it safe to supply this RBS steering signal through the MultiRS relay?](https://community.victronenergy.com/t/is-it-safe-to-supply-this-rbs-steering-signal-through-the-multirs-relay/63258)

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**Author:** [@HRVermeulen](https://community.victronenergy.com/u/HRVermeulen)\
**Replies:** 5\
**Last updated:** [30 September 2026 05:59 UTC](https://community.victronenergy.com/t/is-it-safe-to-supply-this-rbs-steering-signal-through-the-multirs-relay/63258 "2026-09-30T05:59:43Z")

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I am building up my 3-phase MultiRS system and have installed two remote TBS 48V 350A Remote Battery Switches to be able to securely disconnect the DC side in case of smoke or CO alarm or when one of the emergency button…

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## [Nucleo GX AC Input1 & AC Input2 unknown](https://community.victronenergy.com/t/nucleo-gx-ac-input1-ac-input2-unknown/61279)

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**Author:** [@idobuiter](https://community.victronenergy.com/u/idobuiter)\
**Replies:** 1\
**Last updated:** [7 August 2026 08:17 UTC](https://community.victronenergy.com/t/nucleo-gx-ac-input1-ac-input2-unknown/61279 "2026-08-07T08:17:57Z")

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I replaced my MultiPluses with Multi RS units and swapped the Cerbo GX for a Nucleo GX. I ran into something odd during this process. My SolarEdge PV inverter connected to the AC Input was detected correctly, but the Ov…