Double (2-axis) AC motion servo drive / amplifier with built-in dynamic brake + built-in regenerative resistor - Mitsubishi Electric (MELSERVO J4 series) - Rated output 750W / 0.75kW - Rated current 5.8A - Supply voltage 200Vac-240Vac (200V class; 220Vac / 230Vac) (Single-phase input (2P) or 3-phase input (3P)) - with SSCNET III/H communication capability - IP20 - rated for 0...+55°C ambient - equivalent to MRJ4W277B