AC motion servo drive / amplifier with built-in dynamic brake + built-in regenerative resistor + safety unit compatibility - Mitsubishi Electric (MELSERVO J4 series) - Rated output 400W / 0.4kW - Rated current 2.8A - Supply voltage 100Vac-120Vac (100V class) / 283Vdc-340Vdc (Single-phase input (2P) or DC input) - with SSCNET III/H communication capability - IP20 - rated for 0...+55°C ambient - equivalent to MRJ440B1RJ