0-20V 400mA
triple

The PS 503 provides three outputs: +5 V at 1 A , 0 to +20 V, or 0 to -20 V at 1 A (in high-power compartment of TM504 or TM506) or 400 mA (in the tm503 standard mainframe compartment) Independent + and -controls, or dual tracking voltage control.