Powtran PR5300 075G3N 75 kW / 380–440 V 3-Phase Intelligent Soft Starter with Integrated Bypass

Detailed Description

The Powtran PR5300 075G3N is a high-capacity, intelligent soft starter designed for three-phase motors rated at 75 kW, operating in the 380–440 V AC range. With an integrated bypass contactor, advanced protection features, versatile start/stop modes, and communication capabilities, this unit is ideal for heavy industrial motor control applications.

Key Features & Benefits

• Soft start / soft stop functions to reduce inrush current and mechanical stress

• Integrated bypass contactor to switch the motor to full-voltage after starting, improving efficiency

• Multiple starting modes (voltage ramp, current limit, kickstart, dual-loop, etc.)

• Protection features: overvoltage, undervoltage, phase loss, phase imbalance, overcurrent, short circuit, motor stall, overheating, etc.

• RS-485 / Modbus communication for remote monitoring and control

• Local user interface: LCD / keypad for parameter configuration and diagnostics

• Rugged industrial design with adequate cooling, durability, and performance

Technical Highlights & Specs

• Rated power: 75 kW, rated current ~150 A 

• Input / output voltage: 380-440 V AC, 3-phase

• Frame and dimensions: per PR5300 series catalog (e.g. dimensions L, W, H1)

• Integrated bypass and standard soft starter control architecture as per PR5300 series design 

• Full protection features and communication protocols in line with Powtran’s specification for PR5300 series 

Typical Applications

• Large pumps, compressors, fans, blowers

• Heavy industrial machinery requiring controlled starts

• Conveyor systems, crushers, mixers

• Any high-power system where reducing mechanical and electrical stress is important

• Systems requiring remote monitoring / integration into automation networks