I55AP255F0A71100MS
i550 protec, NEMA 4X / IP66, 5.5 kW, 7.5 hp, 3ph 400/480V, EtherNet/IP, integrated safe torque off (STO), no extension box, without diagnostic module
I55AP255F0A711W0MS
i550 protec, NEMA 4X / IP66, 5.5 kW, 7.5 hp, 3ph 400/480V, EtherNet/IP, integrated safe torque off (STO), no extension box, WLAN module