The order should contain information the following information: device name, hardware variant, rated current/measurement voltage, auxiliary supply voltage.

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 Product Data Sheet.