I55AP137D0A701000S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1/3ph 230V, Standard I/O, integrated safe torque off (STO), no extension box, without diagnostic module
I55AP137D0A701W00S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1/3ph 230V, Standard I/O, integrated safe torque off (STO), no extension box, WLAN module