Brand:ABB PLC Item No.:PST37-600-70 Product Origin:Sweden (SE) Product Dimensions:260 x 160 x 196 mm Product Weight:4.8 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 PST37-600-70 (1SFA894003R7000) 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 integrated electronic protection to support reliable operation in industrial environments.
With a 37 A in-line rated operational current and a main circuit voltage range of 208–600 V AC, this model is suitable for motor-driven equipment used in pumping systems, ventilation installations, compressors, conveyors, and automated production machinery.
Conventional direct-on-line starting can create high inrush current and sudden mechanical torque. The PST37-600-70 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 compact design makes it a practical option for installations where control cabinet space is limited. Adjustable operating parameters also provide flexibility when configuring the starter for different motor and load requirements.
For machine manufacturers, system integrators, and industrial maintenance professionals, the ABB PST37-600-70 offers a practical solution for improving motor-starting performance and supporting dependable equipment operation.
Technical Specifications
Parameter
Specification
Brand
ABB
Model
PST37-600-70
Order Number
1SFA894003R7000
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)
37 A
Rated Frequency
50/60 Hz
Motor Type
Three-Phase Asynchronous Motor
Connection Type
In-Line / Inside Delta
Motor Protection
Integrated Electronic Motor Protection
Starting Function
Adjustable Soft Starting
Stopping Function
Controlled Soft Stopping
Current Limiting
Adjustable
Dimensions
260 × 160 × 196 mm
Weight
4.8 kg / 10.58 lb
Recommended Related Models
The following ABB PST soft starters belong to the same product family and offer different current ratings for various motor-control requirements.
Model
Order Number
Product Type
PST30-600-70
1SFA894002R7000
Soft Starter
PST44-600-70
1SFA894004R7000
Soft Starter
PST50-600-70
1SFA894005R7000
Soft Starter
PST60-600-70
1SFA894006R7000
Soft Starter
PST72-600-70
1SFA894007R7000
Soft Starter
Popular Related Models
Other ABB PST soft starters that may be relevant to industrial motor-control projects include:
ABB PST85-600-70 Soft Starter
ABB PST105-600-70 Soft Starter
ABB PST142-600-70 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
ABB PSTB370-600-70 Soft Starter
Applications
The ABB PST37-600-70 1SFA894003R7000 Soft Starter is designed for controlled starting and stopping of three-phase asynchronous motors in industrial and commercial applications. With a 37 A rated operational current for in-line connection, it helps reduce motor starting current and mechanical stress, supporting smoother operation and protecting connected equipment.
Its compact construction and adjustable motor-starting functions make it suitable for a variety of motor-driven systems.
Typical applications include:
Water pump systems: Helps reduce pressure fluctuations during pump startup and stopping.
Industrial ventilation: Provides controlled acceleration for fans and blowers.
Air compressors: Helps minimize mechanical stress during motor starting.
Conveyor equipment: Supports smoother startup and reduces sudden torque changes.
Packaging machinery: Provides controlled motor operation in automated production lines.
HVAC systems: Supports reliable starting of compatible ventilation and air-conditioning motors.
Advantages and Key Features
1. Controlled Motor Starting
The PST37-600-70 gradually increases the voltage supplied to the motor during startup, helping reduce high inrush current and sudden mechanical torque.
2. Compact Installation Design
Its compact construction makes it suitable for motor-control cabinets where installation space is limited.
3. Adjustable Motor-Starting Parameters
Configurable starting settings allow engineers to adapt motor acceleration to different load characteristics and application requirements.
4. Integrated Electronic Protection
Built-in motor protection functions help monitor operating conditions and reduce the risk of damage caused by sustained overloads.
5. Flexible Motor Connection
The PST series supports in-line and inside-delta connection arrangements, providing flexibility for compatible motor-control installations.
6. Wide Control Supply Range
The 100–250 V AC control supply range supports integration into different industrial control systems.
7. Simplified Control System Design
By combining soft-start functionality and protection features in one unit, the PST37-600-70 can help simplify control cabinet design and equipment integration.
Technical FAQs
Q1: What is the rated operational current of the ABB PST37-600-70?
The PST37-600-70 has a rated operational current of 37 A for in-line connection. Its inside-delta rating should be selected according to the manufacturer's specifications and the actual motor connection.
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 PST37-600-70?
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.
Q5: Does the PST37-600-70 support inside-delta connection?
Yes. The PST series supports both in-line and inside-delta motor connection configurations. Correct wiring and parameter settings are essential for safe operation.
Q6: Can the motor-current setting be adjusted?
Yes. The PST series provides adjustable motor-current settings. The configured value should correspond to the motor nameplate and the selected connection method.
Q7: Does this model 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 PST37-600-70 have built-in overload protection?
Yes. It incorporates electronic motor protection functions to help protect the motor against sustained overload conditions.
Q9: What should be checked if the motor does not start?
Check the main power supply, control supply, start command, motor wiring, external interlocks, protection status, and configured motor parameters. Review any active fault indication before restarting.
Q10: Why might the soft starter trip during motor acceleration?
Possible causes include excessive mechanical load, incorrect motor-current settings, phase loss, abnormal supply conditions, or an unsuitable starting configuration. Check the fault indication and operating conditions to identify the cause.
