I55AP311F0A71100KS
i550 protec, NEMA 4X / IP66, 11.0 kW, 15.0 hp, 3ph 400/480V, EtherCAT, integrated safe torque off (STO), no extension box, without diagnostic module
I55AP311F0A711W0KS
i550 protec, NEMA 4X / IP66, 11.0 kW, 15.0 hp, 3ph 400/480V, EtherCAT, integrated safe torque off (STO), no extension box, WLAN module