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This 3He polarized ion source is based on the 23S, metastable atomic state. We produce an intense metastable beam,6 xlO1sp.sec-.sr 1, of energies between 0.07 and 0.1 eV, using a cold cathode discharge. The separation and focussing of Zeeman components (F=1 m =1) and (F=3 mF=Z) is effected with a sextupole of varliable gap. an ad?abatic RF transition enhances the nuclear polarization (theoretical)to 100%. Most design parameters of the source are now frozen for operation inside the H.V. terminal of a CN van de Graaff, but the source is of universal use in (+) ion accele-ators.