ABB PSR30-600-70 Soft Starter

1. Product Overview

ABB PSR30‑600‑70 Soft Starter is a high-performance AC soft starter designed for three-phase asynchronous motors. It provides smooth motor start and stop, reduces inrush current, and minimizes mechanical stress and electrical network impact. It is suitable for industrial motor control, especially for pumps, fans, compressors, and conveyor systems.

2. Technical Specifications

• Model: PSR30‑600‑70

• Type: Three-phase AC Soft Starter

• Rated Current: 600 A

• Voltage Range: 380–600 V AC, 50/60 Hz

• Control Method: Three-phase balanced control

• Start/Stop Mode: Smooth start / stop

• Adjustable Start Time: 0.1–30 s

• Adjustable Stop Time: 0.1–30 s

• Maximum Motor Power: up to approx. 400 kW (depending on voltage and load)

• Overload Capacity: 150 % × 60 s

• Protection Functions:

  • Overload

  • Phase loss

  • Short circuit

  • Under/Over voltage

• Interface: Digital I/O, Analog I/O

• Communication: Modbus RTU or optional communication module

• Mounting: Panel / DIN rail

• Operating Temperature: –25 ℃ to +60 ℃

• Protection Class: IP20 (cabinet installation)

3. Advantages & Features

1. Smooth Start and Stop
   Reduces mechanical stress and extends equipment life.

2. Energy Saving and Reduced Grid Impact
   Limits inrush current to protect the electrical network.

3. Comprehensive Protection
   Overload, phase loss, short circuit, and voltage protection ensure safe operation.

4. Easy Installation and Maintenance
   Compact design with complete interfaces for quick integration.

5. Flexible Adjustable Control
   Start/stop times adjustable to match different load characteristics.

6. Industrial-Grade Reliability
   Suitable for continuous operation in demanding industrial environments.

4. Typical Applications

• Pump control systems (water, wastewater, etc.)

• Fans and ventilation systems

• Compressors and refrigeration units

• Conveyor belts and packaging machines

• Industrial production lines and automation equipment

• HVAC systems

5. Important Notes

• Disconnect power before installation and ensure motor ratings match soft starter.

• Follow wiring diagrams for correct main and control circuit connections.

• Avoid overload and frequent start/stop cycles to prolong lifetime.

• Install in well-ventilated environments; avoid high temperature, humidity, and dust.

• Regularly inspect terminals, heatsinks, and enclosure for clean and secure operation.

The structure and details of the product：

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