Tdk lambda dual triple rack housing rack mount kit for z series tdk lambda z nl200 the tdk lambda z nl200 is a 19 inch rack housing rack mount kit for use with tdk lambda z series of programmable power supplies the z nl200 accepts two 105mm case units or three 70mm case units br br a href https www rapidonline com electrical power tdk lambda variable programmable power supplies z series 543574 for details on a range of tdk lambda variable programmable power supplies