AC motion servo drive / amplifier with built-in dynamic brake + built-in regenerative resistor + safety unit compatibility - replacement amplifier for MR-J2S-[]B - Mitsubishi Electric (MELSERVO J4 series) - Rated output 1000W / 1kW - Rated current 6A - Supply voltage 200Vac-240Vac (200V class; 220Vac / 230Vac) / 283Vdc-340Vdc (Single-phase input (2P) or 3-phase input (3P) or DC input) - with SSCNET III/H communication capability - IP20 - rated for 0...+55°C ambient - equivalent to MRJ4100BKS020