The order should contain the following information: device name, analogue channel configuration, rated current/measurement voltage, auxiliary supply voltage, and the protective function set variant.
iZAZ200-A5X-024-A1 - iZAZ200 type multifunctional relay: analogue channel current configuration (I13f, 3Io), current channels with transformers rated at 5 A, no voltage channel, rated auxiliary voltage: Upn=24VDC/AC. Protective function set variant according to A1.
iZAZ200-BX1-220-B0 - iZAZ200 type multifunctional relay: analogue channel voltage configuration (U13f, 3Uo), no current channel, voltage channels with transformers rated at 100 V, rated auxiliary voltage: Upn=220VDC / 230VAC. Protective function set according to the attached list, e.g. 59(3), 27(3), 81L(3), 81H(1), 47(2).
Details on the ordering methods can be found on the pages of the Product Data Sheet.