PSTX300-600-70 (1SFA898114R7000) Variable Frequency Inverter 24 VDC At 5 MA/Channel

PSTX300-600-70 (1SFA898114R7000) Variable Frequency Inverter 24 VDC At 5 MA/Channel

PSTX300-600-70 (1SFA898114R7000) Description

The PSTX300-600-70 (1SFA898114R7000) is an advanced, three-phase intelligent soft starter designed for the smooth and controlled acceleration and deceleration of medium-to-large AC electric motors. It integrates a high-performance solid-state control system with a built-in bypass contactor, providing a comprehensive all-in-one solution for motor control. Engineered for industrial environments, it ensures reliable operation while minimizing mechanical stress, electrical current surges, and power grid disturbances. This unit delivers precise torque and voltage control for a wide range of industrial motor-driven applications.

 

PSTX300-600-70 (1SFA898114R7000) Key Features

• Built-In Bypass Contactor: Integrates an internal bypass to reduce heat generation and energy loss once the motor reaches full speed, enhancing efficiency and longevity.
• Three-Phase Voltage/Torque Control: Delivers smooth, adjustable voltage and torque ramps for both starting and stopping, eliminating water hammer and mechanical shock.
• Advanced Motor Protection: Comprehensive protection suite including electronic overload, phase loss, phase reversal, under/over voltage, earth fault, and locked rotor protection.
• Flexible Control Modes: Supports voltage ramp, torque control, current limit (standard, dual, ramp), kick start, and pump cleaning functions.
• Detachable HMI: Features an IP66-rated, detachable graphical LCD keypad with multi-language support for easy setup and monitoring.
• Built-In Communication: Standard Modbus RTU protocol; compatible with optional modules for Profibus, Profinet, Ethernet/IP, and Modbus TCP.
• Heavy-Duty Durability: Control boards with protective coating to resist dust, moisture, and corrosive gases; suitable for harsh industrial environments.
• Programmable I/O & Analog Output: Configurable digital inputs and analog outputs (0-10V, 0/4-20mA) for current, voltage, and power feedback.
• Diagnostics & Logging: Extensive self-diagnostics, event logging, and runtime counters for predictive maintenance.

PSTX300-600-70 (1SFA898114R7000) Materials & Applications

Materials

• Housing: Rugged, heat-conductive metal alloy chassis with high-strength, flame-retardant plastic terminal covers.
• Power Components: High-power semiconductor thyristors (SCRs) with advanced thermal management for efficient heat dissipation.
• Circuit Boards: Multi-layer FR-4 fiberglass epoxy boards with a protective anti-corrosive conformal coating.
• Connectors: Heavy-duty screw-type terminals for main power (rated for high torque) and control wiring.
• Cooling System: Integrated heat sink with optimized airflow design for passive cooling.
• Display & Keypad: IP66-rated sealed plastic enclosure for the detachable user interface.

Typical Applications

• Pumps & Water Treatment: Centrifugal pumps, booster pumps, and submersible pumps to prevent water hammer.
• Fans & Blowers: Ventilation, exhaust, and large industrial fans in HVAC, mining, and cement plants.
• Conveyors: Belt, bucket, and chain conveyors to avoid product slippage and mechanical wear.
• Compressors: Reciprocating and screw compressors for smooth, low-stress starting.
• Mixers & Agitators: Chemical and industrial mixers to prevent splashing and equipment damage.
• Mining & Minerals: Crushers, mills, and heavy-duty machinery in harsh mining environments.
• General Industry: Any application requiring reduced voltage starting for motors up to 200kW (500V).

PSTX300-600-70 (1SFA898114R7000) Important Parameters