After burning out my slip ring on my Maus years ago, I found a more robust slip ring on Ebay that supports up to 6 amps per circuit
This is the model I used
Blue 6 Wires 12.7MM Diameter 380V 10A Metal Via Hole Capsule Slip Ring
https://www.ebay.com/itm/165740327374?_trkparms=amclksrc%3DITM%26aid%3D1110 006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D24741 6%26meid%3Dc7432ab5d1f540f39efe2705b9be413d%26pid% 3D101195%26rk%3D4%26rkt%3D12%26sd%3D264396914799%2 6itm%3D165740327374%26pmt%3D1%26noa%3D0%26pg%3D204 7675%26algv%3DSimplAMLv11WebTrimmedV3MskuWithLambd a85KnnRecallV1V4V6ItemNrtInQueryAndCassiniVisualRa nkerAndBertRecall%26brand%3DUnbranded&_trksid=p2047675.c101195.m1851&amdata=cksum%3A165740327374c7432ab5d1f540f39efe270 5b9be413d%7Cenc%3AAQAHAAABYBEC%252B8HimpTF6XPanG8l CeF3G6jifrewDlLoKJMPz0RnJH8s%252BUBlIo2cSQSdgSGvSV vCKC6zF4X6tOnQIr392G0gldH8QjhGQ2fmdEokLVFt29UKj%25 2FEph29NUO0KxqhEb84gZhbKWlWfbravBJF8o5IEd9HpxtKmVD LAb%252FkSGVQRBKqmWJRGo%252Fo079Ij7sYoyTM9aEK70BLn tDlJUs4BQmu6JFZMB7GNUo%252F4xt9KW02CwepJZzsg46OKlu S8s6sZg8WWlRl6llFFdBDEpYEDrymbI5pNmghRPHNEcn6VaQ9m isQ3O%252FZcxaLHMucbUW%252B88rpO1k4qfFF51LD14GYU5z 5%252FOA8ZWbxtB%252Bxir4WMx3orW1a1BziCGW9I9IQMRBSv EWDse9sZ7LeFHuRrPAw%252BU2ti3XMGVVqlA5FzgxN2mIkkwR 19t0bTONrYgg%252BCLwVmIWd9i%252FSVVpzTMJy8iLuFYIs% 253D%7Campid%3APL_CLK%7Cclp%3A2047675&epid=883214540