PST105-690-70T

Name: PST105-690-70T
Brand: ABB
SKU: PST105-690-70T

The ABB PST105-690-70T soft starter provides advanced motor control and protection, featuring torque control, dynamic braking, and robust protection against over/under voltage and earth faults.

Product ModelPST105-690-70T

Material Number1SFA895009R7020

Product ID90323

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Advanced Motor ControlThe ABB PST105-690-70T soft starter combines years of research and development with extensive knowledge of application-specific requirements, ensuring optimal motor performance and efficiency.
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2. Enhanced ReliabilityWith built-in features like torque control, dynamic braking, and motor heating, this soft starter adds new functionality to any motor starting application, enhancing system uptime and reliability.
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3. Comprehensive ProtectionThe PST105-690-70T offers complete motor protection, including PT-100, earth fault protection, and over/under voltage protection, ensuring your motor is safer than ever.
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4. Versatile Communication OptionsEquipped with built-in Modbus and optional Anybus for major communication protocols like Modbus RTU, Profibus, Profinet, Ethercat, BACnet, Ethernet, and DeviceNet, this soft starter integrates seamlessly with your system.

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

13 kg

Rated Operational Voltage

Main Circuit 400 ... 690 V AC

Rated Control Supply Voltage (Us)

100 ... 250 V AC

5. Easy Setup and ConfigurationWhen powered up for the first time, the PST105-690-70T automatically enters the Assistants menu, guiding you through the basic settings to ensure quick and efficient setup.

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) 55 kW (500 V) 75 kW (690 V) 90 kW

Rated Operational Current - In-Line Connection (Ie)

105 A

Rated Operational Power - Inside Delta Connection

at 400 V 90 kW at 500 V 110 kW at 690 V 160 kW

Rated Operational Current - Inside Delta Connection

181 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

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 mmÂ² Rigid 2 x 1.5 mmÂ²

Connecting Capacity Supply Circuit

Rigid 1 x 2.5 mmÂ²

Tightening Torque

Control Circuit 0.5 NÂ·m Main Circuit 18 NÂ·m Supply Circuit 0.5 NÂ·m

Product Main Type

PST105

Ambient Air Temperature

Operation 0 ... +50 Â°C Storage -25 ... +70 Â°C

Object Classification Code

ETIM 7

EC000640 - Soft starter

ETIM 8

EC000640 - Soft starter

ETIM 9

EC000640 - Soft starter

eClass

V11.0 : 27370907

Manufacturer ID

1SFA895009R7020