ABB PSTX72-690-70 Softstarter (1SFA898207R7000)

The ABB PSTX72-690-70 softstarter delivers reliable motor control for demanding applications, supporting motors up to 59 kW (in-line) or 110 kW (inside delta). With a rated current of 72 A, it features torque and voltage ramp control, built-in bypass, and comprehensive motor protection in a rugged design.

Designed for pumps, fans, conveyors, and compressors, the PSTX72 includes a detachable IP66 graphic display, wide protocol compatibility, and diagnostics that make it ideal for critical industrial environments.

Technical Specifications

Model: PSTX72-690-70 ABB
Rated Operational Current (Ie): 72 A (in-line) / 124 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:
– 18.5 kW @ 230 V (in-line)
– 37 kW @ 400 V (in-line)
– 45 kW @ 500 V (in-line)
– 59 kW @ 690 V (in-line)
– 37 kW @ 230 V (inside delta)
– 59 kW @ 400 V (inside delta)
– 80 kW @ 500 V (inside delta)
– 110 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: 4.7 kg
Gross Package Weight: 5.7 kg
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C

Certifications & Compliance

UL/CSA Horsepower Ratings:
– 20 HP @ 208 V
– 25 HP @ 240 V
– 50 HP @ 480 V
– 60 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

✅ 72 A Motor Control: Supports motors up to 110 kW (inside delta).

✅ Smooth Soft Start/Stop: Torque ramp, voltage ramp, and dual current limit.

✅ Bypass Built-In: Optimizes installation and improves thermal handling.

✅ Wide Protocol Integration: Includes Modbus, Profinet, BACnet, and more.

✅ Industrial Display: IP66 graphic UI for reliable configuration.

✅ Advanced Protections: Overload, imbalance, under/overvoltage, and more.

✅ Diagnostics Included: Event logs, fan warnings, THD, and runtime alerts.

✅ Compact Design: 4.7 kg softstarter with high-power capabilities.

📦 Buy ABB PSTX72-690-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSTX72-690-70 prices.

Choose the PSTX72 for powerful, compact, and intelligent motor control—perfect for automation-driven industrial systems.

Click here to get a quote or order now.

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