I55AP137F1071100WS
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 3ph 400/480V, Modbus TCP/IP, no safety technology, empty extension box, without diagnostic module
I55AP137F10711W0WS
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 3ph 400/480V, Modbus TCP/IP, no safety technology, empty extension box, WLAN module