I55AP137A10701000S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1ph 120V, Standard I/O, no safety technology, empty extension box, without diagnostic module
I55AP137A10701W00S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1ph 120V, Standard I/O, no safety technology, empty extension box, WLAN module