PSTX1050-600-70 ABB Softstarter Overview
PSTX1050-600-70 is a high-performance softstarter for medium to large three-phase motors.
Supports smooth start/stop using voltage or torque ramps.
Built-in bypass reduces energy use and simplifies installation.
Detachable full graphic display IP66 rated for outdoor use.
Multiple communication options: Modbus, Profinet, Profibus, Ethernet IP, CANopen.
Ideal for pumps, fans, compressors, conveyors, and industrial applications.
Key Features and Advantages
- Model: PSTX1050-600-70
- Main circuit current: 1050 A
- Operational voltage: 208–600 V AC
- Inline connection power: 315–730 kW depending on voltage
- Inside Delta connection power: 500–1250 kW
- Adjustable ramp time: 1–120 s
- Initial voltage: 10–99% for start
- Step-down voltage: 100–10%
- Current limit: 1.5–7.5×Ie
- Built-in electronic overload protection
- Relay outputs: RUN, TOR, Event, Bypass, Fault, Overload
- Analog outputs: 0–10 V, 0–20 mA, 4–20 mA
- LED indicators: Ready (green), Running (green), Protection (yellow), Fault (red)
Control and Communication
- Rated control supply: 100–250 V AC
- Control circuit: 24 V DC
- Frequency: 50/60 Hz
- Inputs: Start/Stop/Reset and 3 programmable digital inputs
- Fieldbus options: Modbus RTU/TCP, Profinet, Profibus, EtherCAT, DeviceNet, Ethernet IP, BACnet
- External adaptor or Fieldbus plug for communication
- Full diagnostic features including event log and emergency pump mode
Mechanical and Physical Data
- Dimensions: 435 × 515 × 367 mm (W×H×D)
- Weight: 62.3 kg net, 74.3 kg gross
- Main terminals: bars, suitable for high current connection
- Tightening torque: main 45 N·m
- Compact design for panel mounting
Environmental and Compliance
- Operation temperature: −25–60°C, storage −40–70°C
- Degree of protection: IP00 for main terminals
- RoHS II, REACH compliant
- Conflict Minerals Reporting Template certified
- CE, DNV, CQC declarations
- WEEE Category: 4 Large Equipment
Installation and Usage Guidelines
- Install in ventilated control panel
- Connect main and control circuits per torque requirements
- Configure ramp time, initial voltage, and current limit for motor
- Monitor LED and relay signals for safe operation
- Use fieldbus or digital inputs for advanced communication
Industrial Applications
- Pump stations and booster pumps
- Fan and HVAC motor control
- Industrial compressors
- Conveyor and processing lines
- Emergency or fire pump systems
Professional FAQ
- Which motors are compatible with PSTX1050-600-70?
- Suitable for three-phase motors 30–1250 A inline or 52–2160 A inside delta.
- Can it manage high inrush currents?
- Yes, supports 4×Ie for 10 seconds with current limit function.
- What communication options are available?
- Modbus RTU/TCP, Profinet, Profibus, EtherCAT, DeviceNet, BACnet, optional Anybus modules.
- Is it suitable for outdoor installation?
- Yes, detachable display is IP66 rated for outdoor environments.
- How can I save energy with PSTX1050?
- Use built-in bypass and adjustable voltage ramps to reduce power loss.
Warranty and Shipping
- 12-month warranty included
- Ships worldwide via FedEx, UPS, DHL
- Industrial-grade packaging with protection
- Reliable delivery tracking
Contact and Support
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
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