If you want to max out your power potential, the 400-watt Z-4000 is the most powerful transformer to receive the UL-Listing for the model railroading hobby. The Z-4000 has two separate throttles to let you power two different tracks, and it has two fixed power outputs you can use for operating accessories. A single Z-4000 will power a lot of layout!

Features – U.L. Listed to U.S. & Canadian Standards
– Pure Sine Wave Power Signal
– (2) 21 Volt Variable Track Outputs
– (1) 14 Volt Fixed Output
– (1) 10 Volt Fixed Output
– Internal Cooling Fan
– On/Off Power Switch
– Power and Overload Indicator Lights
– Compatible As A Power Source For All O Gauge AC-Powered Locomotives & Accessories
– Circuit Breaker Protection For Each Output
– Voltage LED Displays
– Amperage LED Displays – Unit Measures:8 3/4 x 14 3/4 x 11 1/8