Base units Items 1 to 5 of 6 total Sort By name Name Price 1 2 View: 9 5 10 15 20 25 GN 50 W 0110 Chameleon base unit, 110 V AC, 19", 3 HE, for 10 modules, embedded switch Learn More GN 50 W 0230 Chameleon base unit, 230 V AC, 19", 3 HE, for 10 modules, embedded switch Learn More GN 40 W 0230 Chameleon base unit, 230 V AC, 19", 4 HE, for 10 modules Learn More GN 20 R Chameleon base unit, 230 V AC, 19", 1 HE, for 2 modules Learn More GN 20 B Chameleon base unit, 230 V AC, 19", 1 HE, for 2 modules Learn More