# Question on Cerbo GX Relay wiring for batter heaters **URL:** \ **Category:** DIY\ **Tags:** gx\_device, cerbo\_gx\ **Created:** [6 December 2025 20:40 UTC](https://community.victronenergy.com/t/question-on-cerbo-gx-relay-wiring-for-batter-heaters/49878 "2025-12-06T20:40:30Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![pwfarnell](https://dub1.discourse-cdn.com/victron/user_avatar/community.victronenergy.com/pwfarnell/32/2341_2.png) [@pwfarnell](https://community.victronenergy.com/u/pwfarnell)\ **Post date:** [7 December 2025 07:25 UTC](https://community.victronenergy.com/t/question-on-cerbo-gx-relay-wiring-for-batter-heaters/49878/6 "2025-12-07T07:25:40Z")
> [@shan.mcarthur](#): > > Which faq link? oops > [@Using inverter / MPPT / GX device programmable relays with higher current, inductive or capacitive loads](https://community.victronenergy.com/t/using-inverter-mppt-gx-device-programmable-relays-with-higher-current-inductive-or-capacitive-loads/99): > > Many Victron products have programmable relays included which can be used to send signals between each other or to control small loads. These ae typically rated as for the Cerbo GX as DC up to 30 VDC: 6 A DC up to 70 VDC: 1 A AC: 125 VAC: 6 A There have been many reports within the community from people who have burnt out the contacts or welded the contacts closed in the programmable relays in their systems. This is often caused by connecting the relays to inappropriate loads, sometimes loa… --- _[View the full topic](https://community.victronenergy.com/t/question-on-cerbo-gx-relay-wiring-for-batter-heaters/49878)._