PST105-690-70

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

The ABB PSTX105-690-70 is a versatile soft starter suitable for medium to large-sized three-phase motors. It operates within 208-690 VAC and features a 100-250 VAC control voltage, making it ideal for applications like pumps, fans, and compressors.

Product ModelPST105-690-70

Material Number1SFA895009R7000

Product ID73288

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Advanced Control FeaturesThe PSTX105-690-70 offers advanced control features such as voltage or torque ramp, current limit, kickstart, and analog output, ensuring precise control over motor operations.
2
2. Reliable OperationDesigned for reliable operation in harsh environments, the soft starter features coated circuit boards and a durable NEMA 1/4X/12/IP10/IP20/IP66 enclosure.
3
3. Energy EfficiencyWith built-in bypass contactor, the PSTX105-690-70 ensures energy saving and easy installation, making it a cost-effective solution for motor starting applications.
4
4. Versatile Communication OptionsThe soft starter supports multiple communication protocols including Profibus, Modbus, DeviceNet, and CANopen, allowing seamless integration with various control systems.

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. Comprehensive ProtectionEquipped with dual motor overload protection, adaptable motor underload protection, and PTC protection, the PSTX105-690-70 provides comprehensive protection against motor overloads and overheating.

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

UNSPSC

39121521

Manufacturer ID

1SFA895009R7000