Product Introduction – ABB PSE370-600-70-1 Motor Soft Starter

The ABB PSE370-600-70-1, ordering number 1SFA897115R7001, is a high-current electronic soft starter developed for industrial three-phase motor applications. It belongs to ABB's PSE softstarter range, which is designed to provide controlled motor starting and stopping while helping reduce electrical and mechanical stress on connected equipment.

In conventional motor starting arrangements, direct-on-line starting can produce high inrush current and sudden mechanical torque. These effects may place additional demands on electrical distribution systems, motors, gearboxes, couplings, and driven machinery. A soft starter addresses this challenge by gradually increasing the voltage supplied to the motor during startup.

The PSE370-600-70-1 is particularly relevant to applications involving pumps, fans, compressors, and other industrial machinery with substantial motor loads. Its 370 A current class makes it suitable for larger motor control installations when correctly selected for the motor and operating conditions.

Another important consideration is the difference between soft starters and variable frequency drives. While a VFD provides continuous motor speed adjustment, the PSE soft starter focuses on controlled starting and stopping. This makes it a practical choice for equipment that operates at a relatively constant speed but requires smoother motor transitions.

For maintenance engineers, electrical contractors, and industrial procurement teams, the complete ABB ordering number is important when sourcing a replacement. Confirming the rated voltage, current requirements, control configuration, and installation arrangement helps ensure that the selected device matches the original motor control system.

Whether required for a new motor control panel, an equipment upgrade, or an existing installation repair, the ABB PSE370-600-70-1 offers a dedicated soft-starting solution for compatible industrial applications.

Technical Specifications – ABB PSE370-600-70-1

Parameter	Specification
Brand	ABB
Model Number	PSE370-600-70-1
Ordering Number	1SFA897115R7001
Product Name	Soft Starter
Product Series	ABB PSE
Rated Operational Current	370 A
Rated Operational Voltage	Up to 600 V AC
Control Supply Voltage	100–250 V AC
Motor Type	Three-Phase Asynchronous Motor
Starting Method	Soft Starting
Application	Industrial Motor Control
Dimensions	435 × 190 × 237 mm
Weight	10.60 kg / 23.37 lb

Installation and Commissioning Considerations

Verify the motor nameplate current before selecting the soft starter.
Confirm that the supply voltage matches the device rating.
Select appropriate upstream short-circuit protection.
Check power terminal connections and protective grounding.
Configure motor protection according to the actual motor characteristics.
Adjust starting and stopping parameters according to the driven load.
Ensure adequate panel ventilation and compliance with installation clearances.
Perform controlled commissioning tests before normal operation.

Correct device selection and configuration are essential for achieving reliable motor starting performance.

Recommended Related ABB Soft Starter Models

The following ABB soft starter models are worth considering when selecting equipment for different motor current requirements.

Model Number	Product Description
PSE18-600-70	ABB PSE Soft Starter, 18 A
PSE25-600-70	ABB PSE Soft Starter, 25 A
PSE30-600-70	ABB PSE Soft Starter, 30 A
PSE37-600-70	ABB PSE Soft Starter, 37 A
PSE45-600-70	ABB PSE Soft Starter, 45 A
PSE60-600-70	ABB PSE Soft Starter, 60 A
PSE72-600-70	ABB PSE Soft Starter, 72 A
PSE105-600-70	ABB PSE Soft Starter, 105 A
PSE142-600-70	ABB PSE Soft Starter, 142 A
PSE170-600-70	ABB PSE Soft Starter, 170 A
PSE210-600-70	ABB PSE Soft Starter, 210 A
PSE300-600-70	ABB PSE Soft Starter, 300 A

These models belong to the ABB PSE family and cover different motor current requirements. Select the appropriate rating based on motor current, starting conditions, and application duty.

Popular ABB Motor Control and Drive Products

ABB provides a broad portfolio of motor control equipment for industrial automation, manufacturing, infrastructure, and process industries.

Model Number	Product Description
PSTX370-600-70	ABB PSTX Soft Starter
PSTX470-600-70	ABB PSTX Soft Starter
PSTX570-600-70	ABB PSTX Soft Starter
PSTX720-600-70	ABB PSTX Soft Starter
ACS580-01	ABB General Purpose AC Drive
ACS880-01	ABB Industrial AC Drive
ACS550-01	ABB General Machinery Drive
AF370-30	ABB Contactor
Emax 2 E4.2	ABB Air Circuit Breaker

ABB Soft Starters and Industrial Motor Control Spare Parts

Choosing the correct soft starter is essential for matching motor performance requirements with the electrical and mechanical characteristics of the driven equipment. An appropriately selected device can help improve starting behavior, reduce unnecessary mechanical stress, and support more reliable industrial operation.

We supply ABB soft starters, variable frequency drives, motor control units, circuit breakers, and industrial automation spare parts for international customers.

For inquiries about the ABB PSE370-600-70-1, provide the complete ordering number 1SFA897115R7001 to help confirm the required product configuration and replacement suitability.

Applications

The ABB PSE370-600-70-1 Soft Starter is an electronic motor starting device designed to provide controlled acceleration and deceleration for three-phase asynchronous motors. Part of ABB's PSE softstarter family, it is developed for industrial applications where reducing motor starting stress, limiting electrical disturbances, and improving equipment operation are important.

With its integrated motor-starting and stopping functions, the PSE370-600-70-1 provides a practical solution for machinery that requires controlled motor acceleration rather than direct-on-line starting.

Typical application areas include:

Water Treatment and Pumping Systems: Helps reduce mechanical stress during pump starting and stopping, supporting smoother operation in water supply and wastewater facilities.
HVAC Systems: Suitable for industrial fans, ventilation equipment, and large air-handling applications requiring controlled motor acceleration.
Compressor Equipment: Supports controlled starting of industrial compressors, helping reduce starting-related mechanical and electrical stress.
Conveyor Systems: Provides smoother motor acceleration for material handling equipment and production lines.
Industrial Manufacturing: Used in machinery where controlled motor starting helps improve operational stability.
Mining and Heavy Industry: Applicable to compatible motor-driven equipment operating in demanding industrial environments.
Process Automation: Supports motor control applications involving pumps, fans, and other three-phase industrial machinery.

Key Advantages and Performance Features

1. Controlled Motor Acceleration

The PSE370-600-70-1 regulates motor voltage during startup, allowing connected motors to accelerate more smoothly than with conventional direct-on-line starting.

2. Reduced Mechanical Starting Stress

Gradual acceleration helps reduce sudden torque changes and mechanical shock, which can benefit connected equipment such as pumps, fans, and conveyors.

3. Lower Electrical Starting Disturbances

By controlling the voltage applied to the motor during startup, the soft starter can help limit the impact of high starting current on the electrical distribution system.

4. Integrated Motor Protection Functions

The PSE softstarter family incorporates motor protection and monitoring capabilities. These functions help identify abnormal operating conditions and support equipment protection when correctly configured.

5. Flexible Starting and Stopping Control

Adjustable starting and stopping parameters allow technicians to adapt motor behavior to the requirements of different industrial applications.

6. Compact Industrial Installation

The PSE370-600-70-1 combines motor starting and control functions in a dedicated industrial device, helping simplify the overall motor control arrangement.

7. Improved Equipment Lifecycle Management

Reducing repeated mechanical stress during motor startup can contribute to more manageable maintenance requirements for connected machinery.

8. Suitable for Demanding Motor Applications

Its 370 A rated-current class makes this model relevant to substantial industrial motor installations, subject to the applicable operating conditions and selection requirements.

Technical FAQs – ABB PSE370-600-70-1 Soft Starter

Q1. What is the main function of the ABB PSE370-600-70-1?

The PSE370-600-70-1 is designed to control the starting and stopping of three-phase asynchronous motors. It gradually increases motor voltage during startup to provide controlled acceleration and help reduce mechanical and electrical starting stress.

Q2. What does the 370 in PSE370 represent?

The 370 designation identifies the model's 370 A rated-current class. Actual application suitability depends on motor full-load current, operating conditions, starting frequency, and the manufacturer's selection requirements.

Q3. Is the PSE370-600-70-1 suitable for three-phase induction motors?

Yes. The PSE softstarter family is designed for three-phase asynchronous motor applications. The motor voltage, current, and starting requirements must be checked before installation.

Q4. Can this soft starter control motor speed during normal operation?

No. A soft starter primarily controls motor acceleration and deceleration during starting and stopping. It does not provide continuous variable-speed regulation like an ABB variable frequency drive.

Q5. What is the difference between a soft starter and a VFD?

A soft starter controls the motor voltage during starting and stopping, while a VFD controls both voltage and frequency to regulate motor speed during operation. A soft starter is generally suitable when the motor runs at a relatively constant speed.

Q6. What motor protection functions should be configured?

Depending on the application and device configuration, relevant protection functions include overload protection, phase-loss detection, and motor-related fault monitoring. Protection settings should be selected according to the motor nameplate and installation requirements.

Q7. Can the PSE370-600-70-1 be used for pump applications?

Yes. Pumping systems are an important application for soft starters. Controlled acceleration and stopping can help reduce hydraulic disturbances, including water hammer, when the stopping parameters are correctly configured.

Q8. What may cause the soft starter to trip during motor startup?

Potential causes include excessive motor starting current, incorrect current settings, an unsuitable starting ramp, phase loss, motor overload, incorrect wiring, or an undersized soft starter. Check the diagnostic information before changing protection settings.

Q9. Does the PSE370-600-70-1 support external control signals?

The PSE series supports control through its designated control terminals and configuration interfaces. The exact available inputs, outputs, and communication options should be checked against the device's hardware documentation.

Q10. What should be checked before commissioning this soft starter?

Verify the motor rated current, supply voltage, power connections, grounding, control wiring, protection settings, and starting parameters. Conduct an initial functional test under controlled conditions before placing the equipment into normal service.

Look forward to your comments!Comment