ABB PSTX1050-690-70 Softstarter (1SFA898220R7000)

The ABB PSTX1050-690-70 softstarter is a high-performance motor controller engineered for reliable, intelligent startup of motors up to 1700 kW (inside delta). Designed for demanding industrial applications, it offers advanced protection, integrated bypass, and multi-protocol communication options to optimize motor performance, lifespan, and energy usage.

With its robust 1050 A rated current, intuitive full-graphic HMI, and full suite of safety features, the PSTX1050-690-70 is the complete solution for controlling large three-phase motors across sectors such as water, mining, HVAC, and heavy manufacturing.

Technical Specifications

Model: PSTX1050-690-70 ABB
Rated Operational Current (Ie): 1050 A (in-line) / 1810 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:
– 315 kW @ 230 V (in-line)
– 560 kW @ 400 V (in-line)
– 730 kW @ 500 V (in-line)
– 1000 kW @ 690 V (in-line)
– 500 kW @ 230 V (inside delta)
– 1000 kW @ 400 V (inside delta)
– 1250 kW @ 500 V (inside delta)
– 1700 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
– Event Logging, Standstill Brake, 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: Full Graphic HMI, Detachable, IP66 / NEMA 4X

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 × 515 × 367 mm
Net Weight: 62.3 kg
Gross Weight: 74.3 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
– 450 HP @ 240 V
– 900 HP @ 480 V
– 1000 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

✅ High Current Output: 1050 A for in-line or 1810 A inside delta configuration.

✅ Motor Coverage Up to 1700 kW: Ideal for the largest industrial loads.

✅ Flexible Fieldbus Connectivity: Supports all major industrial networks.

✅ Robust Safety & Diagnostics: EOL, locked rotor, underload, THD, event log.

✅ Energy Efficient: Built-in bypass reduces heat & power losses.

✅ Durable Display: Full graphic detachable HMI with IP66 / 4X rating.

✅ Global Certification: CE, UL, DNV, RoHS & more for worldwide use.

📦 Buy ABB PSTX1050-690-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSTX1050-690-70 prices.

This ABB softstarter offers unparalleled control and reliability for critical motor applications. Trusted by OEMs and industrial operators alike, it ensures maximum uptime, smooth starting, and complete motor protection.

Click here to request a quote or place your order.

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