Block powervision din rail power supply single and 3 phase block pvse 40024 40 the block pvse 40024 40 is a din rail 3 phase primary switched mode power supply from blocks economy powervision pvse 400 series with large power reserves focussing on the key task of power supply block pvse 40024 40 powervision din rail power supply 24vdc 40a 960w 3 phase