PSTB720-690-70

Product ID:72848
Updated: 2026/4/3
ABB PSTB720-690-70

Key Features

  • 1Support high-voltage applications up to 690V main voltage. 2、Protect motors with integrated electronic overload protection. 3、Manage energy efficiently via adjustable ramp time control. 4、Control operations through hardware, keypad, or fieldbus interface. 5、Monitor status with analog outputs and multiple signal LEDs.
Product Details
PSTB720-690-70
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Product Net Width
436 mm
Product Net Height
515 mm
Product Net Depth / Length
381 mm
Product Net Weight
55 kg
Rated Operational Voltage
Main Circuit 400 ... 690 V AC
Rated Control Supply Voltage (Us)
100 ... 250 V AC
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) 400 kW (500 V) 500 kW (690 V) 710 kW
Rated Operational Current - In-Line Connection (Ie)
720 A
Rated Operational Power - Inside Delta Connection
at 400 V 710 kW at 500 V 880 kW at 690 V 1200 kW
Rated Operational Current - Inside Delta Connection
1247 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
0…10 volts 0…20 mA 4…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
10
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 12.5 mm Width and Thickness 40x6 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 45 N·m Supply Circuit 0.5 N·m
Product Main Type
PSTB720
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
1SFA895018R7000

Specifications may be subject to change without notice