ABB PSTX45-690-70 Softstarter (1SFA898205R7000)

The ABB PSTX45-690-70 is a premium softstarter engineered for high-reliability motor control in industrial environments. Rated for 45 A, it handles motors up to 37 kW (in-line) or 59 kW (inside delta), delivering advanced soft start and stop performance through voltage and torque ramp functions.

With integrated bypass, full motor protection, detachable IP66 display, and support for major industrial fieldbus protocols, the PSTX45 is ideal for critical applications including fans, compressors, pumps, and conveyors.

Technical Specifications

Model: PSTX45-690-70 ABB
Rated Operational Current (Ie): 45 A (in-line) / 76 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:
– 12.5 kW @ 230 V (in-line)
– 22 kW @ 400 V (in-line)
– 25 kW @ 500 V (in-line)
– 37 kW @ 690 V (in-line)
– 25 kW @ 230 V (inside delta)
– 37 kW @ 400 V (inside delta)
– 45 kW @ 500 V (inside delta)
– 59 kW @ 690 V (inside delta)
Ramp Time: 1–120 seconds
Initial Voltage During Start: 10–99%
Starting Capacity: 4 × Ie for 10 seconds
Current Limit: Adjustable 1.5–7.5 × Ie
Service Factor: 100%

Functionality & Features

Control Modes: Voltage Ramp / Torque Ramp / Dual Current Limit
Integrated Bypass: Yes
Kickstart Function: Included
Analog Output: 0–10 V, 0–20 mA, 4–20 mA
Protection Functions:
– Electronic Overload (EOL)
– Locked Rotor / Underload / Overvoltage / Undervoltage
– Earth Fault / Voltage Imbalance / Phase Reversal
– Max Starts/Hour / Short Circuit Warning
Additional Functions:
– Emergency/Fire Mode
– Pump Cleaning / Motor Heating / Dynamic Brake
– Auto Restart / Sequence Start
Relay Outputs: Run, Bypass, Fault, Overload
LED Indicators:
– Green: Ready, Running
– Yellow: Protection
– Red: Fault
Display: Detachable full graphic display (IP66 / NEMA 4X)
Event Logging: Included
Communication:
– Modbus RTU, Modbus TCP
– Ethernet/IP, EtherCAT, Profinet, Profibus
– BACnet-IP, BACnet-MSTP, DeviceNet, CANopen

Electrical & Installation

Terminal Type: Cable Clamp
Main Circuit Connection:
– Hole Ø: 8.5 mm
Control Circuit: Rigid 1 × 2.5 mm²
Supply Circuit: Rigid 1 × 2.5 mm²
Tightening Torque:
– Main Circuit: 8 N·m
Protection Class: IP00 (Main Terminals)

Mechanical & Environmental

Dimensions (W × H × D): 150 × 314 × 198 mm
Net Weight: 4.6 kg
Gross Package Weight: 5.6 kg
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C

Certifications & Compliance

UL/CSA Horsepower Ratings:
– 10 HP @ 208 V
– 15 HP @ 240 V
– 30 HP @ 480 V
– 40 HP @ 600 V
Max Operating Voltage: 690 V AC
CE Marked: Yes
RoHS Compliant: Yes – Directive 2011/65/EU & 2015/863 Amendment
REACH & TSCA: Compliant
WEEE Category: Category 5 – Small Equipment
DNV Certification: DNV Certificate, PSTX30…PSTX1250
Country of Origin: Sweden
Standards: IEC 60529, IEC 60947-1, ETIM EC000640

Key Features & Benefits

✅ Robust 45 A Rating: Supports motors up to 59 kW (inside delta).

✅ Advanced Ramp Control: Torque, voltage, and dual current limit.

✅ Bypass Integrated: Improves wiring efficiency and thermal management.

✅ Industrial Fieldbus Support: Compatible with 10+ communication protocols.

✅ Detachable IP66 Display: Resilient, easy-to-use, and intuitive.

✅ Complete Protection: EOL, phase reversal, overload, voltage imbalance.

✅ Event History Logging: In-depth diagnostics and troubleshooting.

✅ Flexible Application: Ideal for fans, conveyors, pumps, and compressors.

📦 Buy ABB PSTX45-690-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSTX45-690-70 prices.

Deliver smooth, intelligent motor starts with ABB’s PSTX45 softstarter—engineered for high-performance industrial control and long-term durability.

Click here to get a quote or order now.

Every unit comes with a full 2-year warranty and fast UK delivery.