PRODUCT DESCRIPTION
ASEA BROWN BOVERI PSTX72-690-70 - Advanced Softstarter
The ABB PSTX72-690-70 is a three-phase advanced softstarter engineered for controlled acceleration and deceleration of AC induction motors operating up to 690VAC and 72A. This unit integrates comprehensive motor protection functionalities and features a built-in bypass contactor, optimizing energy efficiency and mitigating mechanical stress on connected machinery. It is specifically designed for demanding industrial applications such as pumps, fans, compressors, and conveyors, where precise motor control and operational reliability are critical.
Technical Specifications:
- SERIES/FAMILY: PSTX Advanced Softstarter
- COMPONENT TYPE: Three-Phase Advanced Softstarter
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL VOLTAGE (Ue): 208-690VAC
- NOMINAL OPERATIONAL CURRENT (Ie): 72A
- CONTROL SUPPLY VOLTAGE (Us): 100-250V AC/DC
- NOMINAL FREQUENCY: 50/60 Hz
- PHASE: 3-Phase
- TYPICAL MOTOR POWER (400V): 37 kW
- TYPICAL MOTOR POWER (690V): 75 kW
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOLS: Built-in Modbus RTU Optional modules for PROFINET, PROFIBUS DP, EtherNet/IP, DeviceNet, Modbus TCP
- I/O: Programmable Digital Inputs, Programmable Relay Outputs, Analog Output
- FEEDBACK: Motor current, voltage, power, power factor, energy consumption, operational status
- CONTROL FEATURES: Torque control, current limit, kick start, soft stop, motor heating, pump cleaning, motor protection functions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (main unit, requires enclosure for higher protection)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Screw mounting
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- MOTOR TYPE: AC Induction Motors
- TARGET SYSTEMS: Industrial motor control panels, pump stations, HVAC systems, conveyor systems, fan applications, compressors, mixers, crushers, and other applications requiring controlled motor starting and stopping.