Efficiently control motors with the ABB PST85-600-70 soft starter, designed for pumps, compressors, and conveyor belts. Supports 208-600V AC and 100-250V AC control supply.
Product ModelPST85-600-70
Material Number1SFA894008R7000
Product ID90188
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Efficient Motor ControlThe ABB PST85-600-70 soft starter ensures smooth and efficient motor control, reducing energy loss and extending motor lifespan.
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2. Versatile ApplicationSuitable for a wide range of applications including pumps, compressors, elevators, escalators, short conveyor belts, and bow thrusters.
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3. Built-in BypassThe soft starter features a built-in bypass, which reduces energy loss at full speed and saves installation time.
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4. Advanced ProtectionEquipped with advanced protection features such as motor overload protection, underload protection, and locked rotor protection to ensure safe operation.
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Product Net Width
186 mm
Product Net Height
390 mm
Product Net Depth / Length
270 mm
Product Net Weight
10 kg
Rated Operational Voltage
Main Circuit 208 ... 600 V AC
Rated Control Supply Voltage (Us)
100 ... 250 V AC
5. User-Friendly InterfaceThe device comes with a user-friendly HMI (Human-Machine Interface) featuring an illuminated language-neutral display and a 4-button keypad for easy operation and configuration.
Rated Control Circuit Voltage (Uc)
DC Operation 24 V
Rated Frequency (f)
50/60 Hz Main Circuit 50 / 60 Hz
Rated Operational Power - In-Line Connection (Pe)
(400 V) 45 kW (500 V) 55 kW
Rated Operational Current - In-Line Connection (Ie)
85 A
Rated Operational Power - Inside Delta Connection
at 400 V 75 kW at 500 V 90 kW
Rated Operational Current - Inside Delta Connection
147 A
Service Factor Percentage
115 %
Overload Protection
Build-in electronic overload protection
Integrated Electronic Overload
Yes
Adjustable Rated Motor Current Ie
30 ... 115 %
Starting Capacity at Maximum Rated Current Ie
3xIe for 15s
Ramp Time
0 ... 120 second [unit of time] 1 ... 120 second [unit of time]
Initial Voltage During Start
30 ... 70 %
Step Down Voltage Special Ramp
100 ... 30 %
Current Limit Function
1.5 ... 7xIe
Switch for Inside Delta Connection
Yes
Run Signal Relay
Yes
By-pass Signal Relay
Yes
Fault Signal Relay
Yes
Overload Signal Relay
Yes
Analog Outputs
0â¦10 volts 0â¦20 mA 4â¦20 mA
Signal Indication Ready to Start/Standby ON (LED)
Green
Signal Indication Protection (LED)
Yellow
Signal Indication Fault (LED)
Red
Number of Starts Per Hour at 3.5*Ie for 7 sec. 50% ON Time 50% OFF Time
30
Communication
FiledBusPlug(Standard)
Degree of Protection
acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP00
Terminal Type
Main Circuit: Bars
Connecting Capacity Main Circuit
Hole Diameter 8.5 mm Width and Thickness 17.5x5 mm
Connecting Capacity Control Circuit
Rigid 1 x 2.5 mm² Rigid 2 x 1.5 mm²
Connecting Capacity Supply Circuit
Rigid 1 x 2.5 mm²
Tightening Torque
Control Circuit 0.5 N·m Main Circuit 18 N·m Supply Circuit 0.5 N·m
Product Main Type
PST85
Ambient Air Temperature
Operation 0 ... +50 °C Storage -25 ... +70 °C
Object Classification Code
Q
ETIM 7
EC000640 - Soft starter
ETIM 8
EC000640 - Soft starter
ETIM 9
EC000640 - Soft starter
eClass
V11.0 : 27370907
UNSPSC
39121521
Manufacturer ID
1SFA894008R7000
ABB PST85-600-70 Soft Starter - Efficient Motor Control | INDSLT
