This is a New, Never Used Rail King Z-4000 Transformer by MTH.
New: $715
Sell: $525
The MTH Z-4000 Transformer is a 400-watt, dual-control AC power supply designed for O, S, and standard gauge model railroads, Key Specifications & Features:
Power Output: Delivers 400 watts of continuous power via two independent 10-amp variable throttles (0–22 volts AC).
Accessory Outputs: Includes separate fixed voltage outputs (10V and 14V).
This is a Heavy Duty Transformer!!
Monitoring: Features bright LED displays showing real-time voltage and amperage for each channel, plus overload indicator lights.
Safety: Equipped with fast-acting, resettable circuit breakers for each output to prevent damage from shorts or spikes.
Compatibility: Works with conventional and command-control systems, running both MTH (including Proto-Sounds) and Lionel AC-powered trains