The order should contain information the following information: device name, hardware variant, rated current/measurement voltage, auxiliary supply voltage. Optionally, you can use the iZAZ hardware version configuration tool: iZAZ Tools Draw - Version Generator.
Order examples:
iZAZ100-3-I1-220 – iZAZ100 type protection relay, 3 programmable current relays variant with a rated value of 1 A, supplied with an auxiliary voltage of Upn=220 VDC or 230 VAC.
iZAZ100-4-Io-220 – iZAZ100 type protection relay, 4 programmable earth-fault relays variant, supplied with an auxiliary voltage of Upn=220 VDC or 230 VAC.
Details on the ordering methods can be found on the last page of the Catalog Card (PDF 1,2 MB).