ABB PSTX1250-690-70 Softstarter (1SFA898221R7000)

The ABB PSTX1250-690-70 is a heavy-duty softstarter designed for the smooth, safe, and energy-efficient starting of large three-phase motors. With a rated operational current of 1250 A (2160 A inside delta), it is ideal for high-demand applications such as pumping systems, conveyors, compressors, and fans.

This advanced softstarter offers robust motor protection, flexible ramping control, integrated bypass, and multi-protocol fieldbus communication—making it a complete motor management solution for critical industrial installations.

Technical Specifications

Model: PSTX1250-690-70 ABB
Rated Operational Current (Ie): 1250 A (in-line) / 2160 A (inside delta)
Rated Operational Voltage: 208 … 690 V AC
Control Supply Voltage (Us): 100 … 250 V AC
Control Circuit Voltage (Uc): 24 V DC
Rated Frequency: 50/60 Hz
Operational Power:
– 400 kW @ 230 V (in-line)
– 710 kW @ 400 V (in-line)
– 880 kW @ 500 V (in-line)
– 1200 kW @ 690 V (in-line)
– 670 kW @ 230 V (inside delta)
– 1200 kW @ 400 V (inside delta)
– 1500 kW @ 500 V (inside delta)
– 2000 kW @ 690 V (inside delta)
Ramp Time: 1–120 seconds
Initial Voltage During Start: 10–99%
Current Limit: 1.5–7.5 × Ie
Starting Capacity: 4 × Ie for 10 seconds
Service Factor: 100%

Functionality & Features

Control Modes: Voltage Ramp / Torque Ramp / Dual Current Limit
Built-in Bypass: Yes
Kickstart: Included
Analog Output: 0–10 V, 0–20 mA, 4–20 mA
Relay Outputs: Run, Bypass, Fault, Overload
LED Indicators:
– Green: Ready / Running
– Yellow: Protection
– Red: Fault
Advanced Features:
– Emergency Mode, Pump Cleaning, Jog
– Standstill Brake, Event Log, Time-to-Cool
– Auto Phase Detection, Auto Restart
– Electricity Metering
Communication:
– Modbus RTU / TCP, Ethernet-IP, EtherCAT
– Profibus, Profinet, CANopen
– DeviceNet, BACnet-IP, BACnet-MSTP
– ANYBUS Expansion Modules
Display: Detachable Full Graphic HMI, IP66 / NEMA 4X Rated

Electrical & Installation

Terminal Type: Main Circuit: Bars
Control Circuit Connection: Rigid 1 × 2.5 mm²
Supply Circuit Connection: Rigid 1 × 2.5 mm²
Tightening Torque: 45 N·m
Degree of Protection: IP00 (Main Terminals)

Mechanical & Environmental

Dimensions (W × H × D): 435 × 565 × 367 mm
Net Weight: 63.3 kg
Gross Weight: 75.3 kg
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C

Certifications & Compliance

UL/CSA Horsepower Ratings:
– 400 HP @ 208 V
– 500 HP @ 240 V
– 1000 HP @ 480 V
– 1200 HP @ 600 V
Max Operating Voltage: 690 V AC
CE Marked: Yes
RoHS: Compliant with EU Directive 2011/65/EU & 2015/863
REACH & TSCA: Compliant
WEEE Category: Category 4 – Large Equipment
DNV Certification: Certified for PSTX30…PSTX1250 Series
Country of Origin: Sweden
Standards: IEC 60529, IEC 60947-1, ETIM EC000640, eClass 27370907

Key Features & Benefits

✅ 1250 A High-Power Motor Control: For critical loads and large motors.

✅ 2000 kW Support Inside Delta: Maximum capability for heavy-duty applications.

✅ Multi-Protocol Fieldbus: Seamless integration via Modbus, Ethernet/IP, Profinet & more.

✅ Enhanced Diagnostics: Warnings, logs, and motor protection analytics.

✅ Built-In Energy Efficiency: Integrated bypass reduces losses during full-speed run.

✅ IP66 HMI Display: Outdoor-ready with intuitive graphical interface.

✅ Global Certifications: UL, CE, DNV, RoHS, REACH.

📦 Buy ABB PSTX1250-690-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSTX1250-690-70 prices.

Engineered to handle the largest and most demanding motor start applications, the PSTX1250 delivers maximum safety, performance, and long-term reliability. Ideal for OEMs, utilities, and industrial sites with mission-critical operations.

Click here to request a quote or place your order.

Supplied with full 2-year warranty and fast UK delivery.