ABB PSE37-600-70 Soft Starter

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1. Product Overview

The ABB PSE37-600-70 is a high-performance three-phase soft starter designed to control the start and stop of asynchronous motors, reducing inrush current and mechanical stress. It is suitable for various industrial loads, including pumps, fans, compressors, and conveyor systems. The PSE series offers flexible control, reliable protection, and easy integration, effectively extending equipment life and optimizing energy usage.

2. Technical Specifications

• Model: PSE37-600-70

• Product Type: Three-Phase Soft Starter

• Rated Current: 600 A

• Control Voltage: 24–480 V AC/DC

• Motor Power: approx. 37 kW (400 V, 50 Hz)

• Overload Capacity: 150% of rated current / 60 s

• Starting Mode: Voltage ramp soft start

• Stopping Mode: Controlled soft stop

• Input Supply: 3-phase 380–480 V AC, 50/60 Hz

• Protection Functions: Overload, phase loss, overheat, short circuit

• Mounting: Panel or base mount

• Communication Interface: Optional PROFIBUS, Modbus RTU

• Operating Temperature: -25 ℃ to +60 ℃

• Degree of Protection: IP20

• Dimensions (Approx.): H 280 mm × W 200 mm × D 150 mm

3. Advantages & Features

1. Reduced Start-up Stress
   Voltage ramp control minimizes inrush current and mechanical stress, protecting motors and equipment.

2. Extended Equipment Life
   Smooth start and stop reduce mechanical wear, prolonging pump, fan, and conveyor life.

3. Flexible Control
   Configurable start/stop time and acceleration/deceleration curves to suit different loads.

4. Robust Protection
   Built-in overload, phase loss, short-circuit, and overheat protection ensure safety.

5. Easy System Integration
   Supports communication interfaces (PROFIBUS/Modbus) for seamless industrial automation integration.

6. Energy Efficient
   Reduces start-up current surge, minimizing impact on the power grid and optimizing energy use.

4. Application Areas

The ABB PSE37-600-70 soft starter is widely used in:

• Pump stations and water treatment systems

• Fans and HVAC systems

• Compressors and refrigeration systems

• Conveyors and automated production lines

• Mixers and stirring systems

• Petrochemical and industrial manufacturing equipment

5. Notes & Precautions

1. Disconnect power before installation or maintenance to ensure safety.

2. Ensure motor power and rated current match the soft starter to avoid overload.

3. Install in a well-ventilated environment, avoiding high temperature and humidity.

4. Follow wiring diagrams for reliable grounding and connections.

5. Regularly inspect terminal connections, cooling, and protection functions.

6. Installation and commissioning should be performed by qualified personnel.