PSTX720-600-70 ABB Softstarter – 720 A – 208 – 600 V AC 1SFA898118R7000

T he PSTX720-600-70 ABB Softstarter:

• Maximum Operational Current: 720 A
• Operating Voltage Range: 208–600 V AC
• Control Voltage: 100–250 V AC at 50/60 Hz

Key Features:

1. Three-Phase Control: Ensures smooth soft starting and stopping with either a voltage or torque ramp, offering controlled motor acceleration and deceleration.
2. Built-in Bypass: Streamlines installation and boosts energy efficiency by reducing power loss during full-speed operation.
3. Relay Outputs: Includes RUN, TOR (Torque), and Event signals in a normally open (NO) configuration.
4. Advanced Protection and Control Capabilities:
   • Current Limit: Controls the motor’s startup current to prevent power surges.
   • Kickstart: Delivers an initial high torque to handle heavy loads or overcome initial resistance.
   • Analog Output: Allows for continuous monitoring and adjustments.
   • End of Line (EOL) Protection: Provides protection for wiring and prevents operational issues.
   • Motor Heating: Prevents condensation within the motor, especially useful in cold or humid environments.
   • Pump Cleaning: Reverses operation to remove potential clogs in pump applications.
   • Jogging, Braking, and Standstill Brake: Provides motor positioning, braking, and holding capabilities.
   • Diagnostics and Sequence Start: Enables troubleshooting and allows sequential motor starts.
   • Emergency/Fire Pump Mode: Ensures operation continuity during critical situations.
5. User Interface:
   • Detachable Full-Graphic Display: Rated IP66, suitable for outdoor use, with intuitive graphics for easy setup and monitoring.

Communication Options:

1. Hardwire Inputs: Start, Stop, and Fault Reset, plus three programmable digital inputs.
2. Built-in Fieldbus Modbus RTU: Direct Modbus connectivity.
3. Optional ANYBUS Modules: Offers extensive communication flexibility, supporting protocols like Profinet, Profibus, Modbus TCP, and Ethernet IP.
4. External Adaptor and Fieldbus Plug: Additional communication expansion.

Motor Compatibility:

• Motor Size:
  • Inline Connection: Handles three-phase motors with nominal currents from 30 to 1250 A.
  • Inside Delta Connection: Supports currents from 52 to 2160 A.
• Applications: Suitable for larger motors in demanding applications, such as pumps, fans, compressors, and conveyors.

The PSTX720-600-70 is an ideal choice for large-scale motor control, providing comprehensive protection, advanced control features, and flexible communication options for industrial applications. It’s engineered for demanding environments, balancing high performance with energy efficiency.