Key Specifications Parameter Specification Output Current 125A Rated Power 55kW (400V, 4-pole motor) Input Voltage 3-phase 380-480V AC (±10%), 50/60Hz Enclosure IP21 (open chassis) Control Methods Sensorless Vector Control (SLVC) & V/f control Overload 150% for 60 seconds Communication Modbus RTU (RS485) standard Advanced Features ✔ Energy Optimization Technology Automatic load adaptation with up to 50% energy savings ABB's proprietary Adaptive Programming for pumps and fans ✔ Robust Motor Protection I²t thermal overload protection Short-circuit, ground fault, and phase loss protection Motor stall prevention ✔ Intelligent Control Interface LCD keypad with 8 language options Quick start-up wizard with application macros ✔ Process Control Capabilities Built-in PID controller with auto-tuning Customizable acceleration/deceleration ramps ✔ Industrial-Grade Design Compact dimensions: 255 x 245 x 220mm (WxHxD) Wide operating temperature: -10°C to +50°C Forced cooling with temperature-controlled fan Model Number Breakdown ACS510: Series designation 01: IP21 protection level 125A: 125A output current rating 4: 400V voltage class (380-480V)