I55AP137A20701K00S
i550 PROTEC INVERTER 0.50HP 1PH(i/p) 120V / 230V 3PH(o/p) / 2.4A(o/p) / 0-599HZ(o/p) / LCD KEYPAD / STANDARD IO / NEMA 4 IP66 / DISCONNECT
I55AP137A20701W00S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1ph 120V, Standard I/O, no safety technology, extension box and switch, WLAN module