PRODUCT DESCRIPTION
ABB PSTB470-600-70 - Three-Phase Softstarter
The ABB PSTB470-600-70 is a heavy-duty, three-phase softstarter engineered for controlled starting and stopping of induction motors in demanding industrial applications. This unit integrates advanced motor control algorithms, including torque control, with comprehensive motor protection features to mitigate mechanical stress and electrical transients. It is suitable for applications requiring smooth acceleration and deceleration, such as pumps, fans, compressors, and conveyors, ensuring extended equipment lifespan and optimized process control.
Technical Specifications:
- SERIES/FAMILY: PSTB Series
- COMPONENT TYPE: Three-Phase Softstarter
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL VOLTAGE: 208-690VAC (Rated for 600VAC operation)
- NOMINAL OPERATIONAL CURRENT: 470A
- NOMINAL MOTOR POWER (600V): Up to 350kW (Heavy Duty) / Up to 400kW (Normal Duty)
- CONTROL SUPPLY VOLTAGE: 100-250V AC/DC (Typical for PSTB series)
- FREQUENCY: 50/60 Hz
- PHASE: 3-Phase
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Open type, panel mount
- TERMINALS: Busbars for power connections
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: Modbus RTU (integrated)
- OPTIONAL COMMUNICATION: PROFIBUS DP, PROFINET, DeviceNet, EtherNet/IP, Modbus TCP (via optional fieldbus adapter)
- DIGITAL INPUTS: Programmable (e.g., Start, Stop, Run, Fault Reset)
- RELAY OUTPUTS: Programmable (e.g., Run, Top of Ramp, Fault)
- ANALOG OUTPUT: Programmable (e.g., Current, Torque)
- FEEDBACK: Integrated motor protection functions (overload, underload, phase imbalance, locked rotor, PTC)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (Open type)
- COOLING METHOD: Natural convection / Forced air (for high duty cycles)
- MOUNTING STYLE: Panel mounting with screws
- OPERATING TEMPERATURE: -25 to +60 degrees Celsius (with derating above 40 degrees Celsius)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial motor control centers, pump stations, HVAC systems, conveyor systems, fan applications, compressors
- MOTOR TYPES: Three-phase AC induction motors