ABB PSTX840-690-70 Softstarter (1SFA898219R7000)

The ABB PSTX840-690-70 softstarter is a high-capacity solution built to start and protect motors up to 1400 kW in inside-delta configuration. With an in-line operational current of 840 A and compatibility across 208…690 V AC, it delivers smooth motor starts, robust protection, and industry-grade communication options for demanding industrial environments.

Featuring an IP66 full graphic display, dual current limit control, emergency/fire pump mode, and energy-saving bypass, the PSTX840 is ideal for pumps, compressors, and conveyor systems requiring maximum performance and reliability.

Technical Specifications

Model: PSTX840-690-70 ABB
Rated Operational Current (Ie): 840 A (in-line) / 1455 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:
– 250 kW @ 230 V (in-line)
– 450 kW @ 400 V (in-line)
– 600 kW @ 500 V (in-line)
– 800 kW @ 690 V (in-line)
– 450 kW @ 230 V (inside delta)
– 800 kW @ 400 V (inside delta)
– 1000 kW @ 500 V (inside delta)
– 1400 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 Functions:
– Emergency Mode, Pump Cleaning, Jog
– Standstill Brake, Event Log, Time-to-Cool
– Auto Phase Detection, Auto Restart
– Integrated 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 × 493 × 369 mm
Net Weight: 46.5 kg
Gross Weight: 58.5 kg
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C

Certifications & Compliance

UL/CSA Horsepower Ratings:
– 300 HP @ 208 V
– 350 HP @ 240 V
– 700 HP @ 480 V
– 800 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 5 – Small 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

✅ Powerful 840 A Output: Drives motors up to 1400 kW in inside delta.

✅ Full Motor Protection Suite: EOL, over/under voltage, locked rotor, imbalance.

✅ Advanced Fieldbus Support: 10+ built-in & optional protocols.

✅ Durable HMI: IP66/NEMA 4X detachable display for remote access.

✅ Built-In Bypass: Reduces energy loss & system heating.

✅ Heavy-Load Ready: Pumps, fans, conveyors, crushers, compressors.

✅ Smart Control: Dual current limit, auto restart, diagnostics, event logs.

✅ Certified Safe: CE, UL, CSA, DNV, RoHS compliant.

📦 Buy ABB PSTX840-690-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSTX840-690-70 prices.

Upgrade your motor control systems with ABB’s most intelligent and rugged softstarter. The PSTX840 delivers next-level safety, efficiency, and connectivity for mission-critical applications.

Click here to request a quote or place your order.

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