While 16 Amp PXI power multiplexer (model 40-662) comes in 7 configurations, from 4-off 2:1 multiplexers to 1-off 16:1 multiplexer, 16 Amp PXI power matrix (model 40-552) comes in 4 configurations with 8x2 and 4x4 matrix sizes and ability to expand matrix size with Y-Axis loop-thru connections. Both models, capable of withstanding 400 Vdc for cold switching, feature hot switching up to 16 A at 28 Vdc, max DC hot switch rating of 300 Vdc, and hot switching AC signals up to 250 Vac at 16 A.