AC motion servo drive / amplifier with built-in dynamic brake + built-in regenerative resistor + safety unit compatibility - Mitsubishi Electric (MELSERVO J4 series) - Rated output 1000W / 1kW - Rated current 2.8A - Supply voltage 380Vac-480Vac (400V class; 400Vac / 415Vac / 440Vac) / 283Vdc-340Vdc (3-phase input (3P) or DC input) - with SSCNET III/H communication capability - IP20 - compatible with conversion unit SSCNET of MR-J2S-[]B - rated for 0...+55°C ambient - equivalent to MRJ4100B4KS020