Sinee EM303B is a general purpose inverter with dual CPU system and built-in EMC filters. Comes with V/f and Speed Sensorless Vector makes it suitable to many application. Features available are high starting torque, wobbulation function, RS-485 terminals, easy to take out keypad and protections against over voltage, over current, overload, phase loss and short-circuit. Equipped with built-in braking units (up to 15 kw) and sufficient control terminals makes it a perfect choice.

EM303B comes as dual-mode inverters ie. Mode A and Mode B.
Mode A is 150% overload mode for heavy load application, while mode B is 120% for fan and pump system.
EM303B range capacity :
  • 380 V | 3 Phase | Mode A : 0.75 kw - 400 kw
  • 380 V | 3 Phase | Mode B : 1.1 kw - 450 kw


  • EM303B model numbering scheme :
  • 380 V | 3 Phase | Mode A : EM303B-0R7G-3B | ... | EM303B-7R5G-3B| EM303B-011G-3B | EM100-400G-3B
  • 380 V | 3 Phase | Mode B : EM303B-1R1P-3B | ... | EM303B-9R0P-3B| EM303B-011P-3B | EM100-450P-3B