I55AP137A0A701006S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1ph 120V, IO-Link, integrated safe torque off (STO), no extension box, without diagnostic module
I55AP137A0A701W06S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1ph 120V, IO-Link, integrated safe torque off (STO), no extension box, WLAN module