I55AP137D00701000S
i550 protec, NEMA 4X / IP66, 0.37 kW, 0.50 hp, 1/3ph 230V, Standard I/O, no safety technology, no extension box, without diagnostic module
I55AP137D00701K00S
i550 PROTEC INVERTER 0.50HP 1/3PH(i/p) 230V / 230V 3PH(o/p) / 2.4A(o/p) / 0-599HZ(o/p) / LCD KEYPAD