Model Number	Current Output	Output Voltage
4G-100	± 100 amperes	± 10.00 volts
4G-Dual	TWO ± 100 amperes Modules	± 10.00 volts
4G-200	± 200 amperes	± 10.00 volts
4G-100/SHIM*	± 100 amperes	± 10.00 volts
4G-200/SHIM*	± 200 amperes	± 10.00 volts

* A special version of the 4G-100 or 4G-200 that has the capability of charging up to 12 different superconducting shim coils. These shim coils are used in many ICR  and NMR systems. Contact the factory for further details.