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.
Order examples:
iZAZ300-C51-220-C1 - iZAZ300 type protection relay: analogue channel configuration (I13f, 3Io, U13f, 3Uo), current channels with transformers rated at 5 A (protective range), voltage channels with transformers rated at 100 V, rated auxiliary voltage: Upn = 220 VDC / 230 VAC. Protective function set variant according to C1.
iZAZ300-C11-024-C0 - iZAZ300 type protection relay: analogue channel configuration (I13f, 3Io, U13f, 3Uo), current channels with transformers rated at 1 A (protective range), voltage channels with transformers rated at 100 V, rated auxiliary voltage: Upn=24 VDC. Protective function set according to the attached list, e.g. I>(2), IA>(1), Io>(2), Uo>(1), Yo>(1).
Details on the ordering methods can be found on the pages of the Product Data Sheet.