Lambda / Electronic Measurements Inc model EMS40-60-2-D-LB-TC programmable DC power supply, P/N 004731549. New/Surplus. Rated for variable output up to 40VDC 60A, 2.4kW. Has the LB (locking voltage and current control) option installed. Input power: 190-250VAC 50-60Hz single or three phase. To view a full product manual for the EMS-40-60-2-D-LB-TC unit (PDF), click here.