Brand:ABB PLC Item No.:PST72-600-70 Product Origin:Sweden (SE) Product Dimensions:260 x 160 x 196 mm Product Weight:5 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The ABB PST72-600-70 (1SFA894007R7000) is an industrial soft starter designed to provide controlled starting and stopping for three-phase asynchronous motors. As part of ABB's PST soft starter family, it combines adjustable motor-starting functions with electronic protection to support reliable operation in industrial applications.
With a 72 A in-line rated operational current and a main circuit voltage range of 208–600 V AC, this model is suitable for motor-driven systems used in water treatment, industrial ventilation, compressors, conveyors, and manufacturing equipment.
Traditional direct-on-line starting can expose motors and connected machinery to high inrush current and sudden torque. The PST72-600-70 helps manage these effects by gradually increasing the voltage supplied to the motor during startup. This controlled process can reduce electrical and mechanical stress while supporting smoother equipment operation.
Its adjustable operating parameters provide flexibility for different load characteristics, while integrated protection functions help simplify motor-control system design. The compact form also makes it suitable for installations where control cabinet space is an important consideration.
For machine manufacturers, system integrators, and industrial maintenance professionals, the ABB PST72-600-70 offers a practical solution for improving motor-starting performance and supporting dependable operation.
Technical Specifications
Parameter
Specification
Brand
ABB
Model
PST72-600-70
Order Number
1SFA894007R7000
Product Type
Soft Starter
Product Series
PST
Main Circuit Voltage
208–600 V AC
Control Supply Voltage
100–250 V AC
Rated Operational Current (In-Line)
72 A
Rated Frequency
50/60 Hz
Motor Type
Three-Phase Asynchronous Motor
Connection Type
In-Line / Inside Delta
Motor Protection
Integrated Electronic Overload Protection
Starting Function
Adjustable Soft Starting
Stopping Function
Controlled Soft Stopping
Current Limiting
Adjustable
Dimensions
260 × 160 × 196 mm
Weight
5 kg / 11.02 lb
Recommended Related Models
The following ABB PST soft starters belong to the same product family and provide different current ratings for various motor-control requirements.
Model
Order Number
Product Type
PST50-600-70
1SFA894005R7000
Soft Starter
PST60-600-70
1SFA894006R7000
Soft Starter
PST85-600-70
1SFA894008R7000
Soft Starter
PST105-600-70
1SFA894009R7000
Soft Starter
PST142-600-70
1SFA894010R7000
Soft Starter
Popular Related Models
Other ABB PST soft starters that may be relevant to industrial motor-control projects include:
ABB PST30-600-70 Soft Starter
ABB PST37-600-70 Soft Starter
ABB PST44-600-70 Soft Starter
ABB PST50-600-70 Soft Starter
ABB PST60-600-70 Soft Starter
ABB PST85-600-70 Soft Starter
ABB PST175-600-70 Soft Starter
ABB PST210-600-70 Soft Starter
ABB PST250-600-70 Soft Starter
ABB PST300-600-70 Soft Starter
Applications
The ABB PST72-600-70 1SFA894007R7000 Soft Starter is designed for controlled starting and stopping of three-phase asynchronous motors in industrial environments. With a rated operational current of 72 A for in-line connection, it helps reduce high starting current, mechanical shock, and stress on motor-driven equipment.
Its adjustable motor-starting functions and integrated protection features make it suitable for applications that require reliable motor control and consistent operating performance.
Typical applications include:
Water supply and pumping systems: Helps reduce pressure fluctuations during pump startup and stopping.
Industrial ventilation: Provides controlled acceleration for large fans and blowers.
Air compressors: Helps minimize mechanical stress during motor starting.
Conveyor systems: Supports smoother acceleration and reduces sudden torque changes.
Manufacturing machinery: Provides controlled starting for production equipment and automated machinery.
HVAC systems: Supports motor control in compatible ventilation and air-conditioning installations.
Advantages and Key Features
1. Controlled Motor Acceleration
The PST72-600-70 gradually increases the voltage supplied to the motor during startup, helping reduce inrush current and sudden mechanical torque.
2. Flexible Motor Connection
The PST series supports in-line and inside-delta connection configurations, allowing engineers to select a suitable arrangement according to motor and installation requirements.
3. Adjustable Current Limiting
The current limit function allows users to configure motor starting performance according to the electrical capacity of the installation and the characteristics of the load.
4. Integrated Electronic Protection
Built-in electronic overload protection helps monitor motor operating conditions and reduce the risk of damage caused by sustained overloads.
5. Configurable Starting and Stopping
Adjustable starting and stopping parameters help adapt motor behavior to different applications, including pumps, fans, compressors, and conveyors.
6. Industrial Control Integration
The wide control supply range supports integration into compatible control panels and industrial automation systems.
7. Compact Installation Design
Its compact construction helps save control cabinet space while combining motor-starting control and protection functions in one device.
Technical FAQs
Q1: What is the rated operational current of the ABB PST72-600-70?
The PST72-600-70 has a rated operational current of 72 A for in-line connection. Its applicable inside-delta rating should be selected according to the manufacturer's specified ratings and installation conditions.
Q2: What main circuit voltage does this soft starter support?
It is designed for three-phase motor applications with a main circuit voltage range of 208–600 V AC.
Q3: What is the control supply voltage range?
The control supply voltage range is 100–250 V AC at 50/60 Hz.
Q4: What type of motor is compatible with the PST72-600-70?
It is intended for three-phase asynchronous motors. The motor's rated voltage, current, power, and starting characteristics must be compatible with the selected soft starter configuration.
Q5: Does the PST72-600-70 support inside-delta connection?
Yes. The PST series supports both in-line and inside-delta motor connection arrangements. Correct wiring and parameter configuration are essential for safe operation.
Q6: Can the motor current setting be adjusted?
Yes. The PST series provides an adjustable motor-current setting. The value should be configured according to the motor nameplate and the selected connection method.
Q7: Does this soft starter provide current limiting?
Yes. Its current limit function allows users to control the maximum current during motor starting. The setting should be selected according to the motor and load requirements.
Q8: Does the PST72-600-70 have built-in overload protection?
Yes. It incorporates electronic motor overload protection to help protect the motor against sustained overload conditions.
Q9: What should be checked if the motor does not start?
Inspect the main power supply, control supply, start command, motor wiring, external interlocks, protection status, and configured motor parameters. Check for active fault indications before restarting.
Q10: Why might the soft starter trip during acceleration?
Possible causes include excessive mechanical load, incorrect motor-current settings, phase loss, abnormal supply conditions, or an unsuitable starting configuration. Review the fault indication and operating conditions to identify the underlying problem.
