ABB PSTX300-690-70 Softstarter (1SFA898214R7000)

The ABB PSTX300-690-70 is a premium 300 A softstarter built for industrial applications requiring precision motor control, high inrush protection, and advanced diagnostics. Supporting motors up to 257 kW (in-line) or 500 kW (inside delta), this unit features full network integration, a detachable graphical display, and a complete suite of protections for pumps, fans, compressors, and conveyors.

Technical Specifications

Model: PSTX300-690-70 ABB
Rated Operational Current (Ie): 300 A (in-line) / 515 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:
– 90 kW @ 230 V (in-line)
– 160 kW @ 400 V (in-line)
– 200 kW @ 500 V (in-line)
– 257 kW @ 690 V (in-line)
– 160 kW @ 230 V (inside delta)
– 257 kW @ 400 V (inside delta)
– 355 kW @ 500 V (inside delta)
– 500 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)
– Ground Fault / Overvoltage / Undervoltage
– Locked Rotor / Underload / Voltage Imbalance
– Phase Reversal / Max Starts / Short Circuit Detection
Advanced Features:
– Fire Pump Mode / Emergency Mode
– Standstill Brake / Jog / Pump Cleaning
– Event Logging / Auto Restart / Dual Overload
Relay Outputs: Run, Bypass, Fault, Overload
LED Indicators:
– Green: Ready, Running
– Yellow: Protection
– Red: Fault
Display: Full Graphic Detachable (IP66, NEMA 4X)
Communication:
– Modbus RTU / TCP
– Ethernet/IP / EtherCAT
– Profinet / Profibus
– DeviceNet / CANopen
– BACnet-IP / BACnet-MSTP

Electrical & Installation

Terminal Type: Main Circuit: Bars
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: 25 N·m
Protection Class: IP00 (Main Terminals)

Mechanical & Environmental

Dimensions (W × H × D): 258 × 470 × 279 mm
Net Weight: 15.5 kg
Gross Package Weight: 18.5 kg
Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +70°C

Certifications & Compliance

UL/CSA Horsepower Ratings:
– 100 HP @ 208–240 V
– 250 HP @ 480 V
– 300 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

✅ High-Power Performance: Supports motors up to 500 kW inside delta.

✅ Fully Integrated Protections: EOL, locked rotor, voltage imbalance, THD, short circuit, and more.

✅ Broad Protocol Compatibility: Built-in support for Modbus, Profinet, Ethernet/IP, and others.

✅ Rugged HMI: Detachable graphic interface (IP66 / 4X outdoor rated).

✅ Energy Efficient: Built-in bypass relay for reduced heat and wiring.

✅ Advanced Monitoring: Real-time event logs, overload timers, diagnostics.

✅ Compact Design: Ideal for panel installations with bar terminals.

✅ Wide Temperature Range: Reliable operation from -25°C to +60°C.

📦 Buy ABB PSTX300-690-70 Softstarter at Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable ABB PSTX300-690-70 prices.

Enhance your industrial motor control with the ABB PSTX300-690-70 softstarter — trusted by professionals for high-demand applications. We offer expert support, fast UK delivery, and competitive pricing.

Click here to request a quote or place your order now.

All units include a 2-year warranty and full technical backup from our UK support team.