PSTX840-600-70 450kw 400kw ABB Soft Starter Plc Programming Controller Module

1. High-Performance Solid-State Soft Starter for Motor Starting:The PSTX840-600-70 is a premium soft starter from ABB’s PSTX series, designed for 600 V AC systems with a rated current of 840 A, capable of starting motors up to approximately 450 kW (600 HP)—ideal for large pumps, fans, compressors, and conveyors.

2. Smooth Start-Up, Reduced Mechanical & Electrical Stress:Controls thyristor firing angle to gradually ramp up motor voltage, reducing inrush current (adjustable to 1.5–5x rated current), minimizing grid disturbances and mechanical wear.

3. Integrated Bypass Contactor for High Efficiency:Built-in bypass contactor automatically switches to direct-on-line operation after start-up, bypassing the thyristors. This reduces power losses and heat generation during continuous operation, improving energy efficiency.

4. Advanced Motor and Load Protection:Comprehensive protection includes overload, stall, phase loss, phase imbalance, thyristor overtemperature, start time-out, and underload (useful for pump dry-run detection)—ensuring reliable operation.

5. Multiple Start/Stop Modes:Supports voltage ramp, current limit, kick start (Kick Start™), soft stop, and pump stop modes—adaptable to various load types (e.g., high inertia, sticky loads) for optimized performance.

Boxun (Hong Kong) Technology Co., Ltd. is a trading company specializing in PLC modules, controllers, frequency converters, servo motors, drives, sensor switches, relays and other industrial control products. Our Main brands INCLUDE Siemens, Mitsubishi, Omron, ALLEN-BRADLEY, Schneider, ABB, YASGAWA.Panasonic, IFM, P+F, etc...We have been engaged in foreign trade for 10 years. Our products have sufficient inventory to enjoy the fastest delivery speed after customers order, and provide customers with high-quality products and high-quality service. We will strive to exceed customer expectations for product requirements. Customers will benefit from our warm, friendly service and professional assistance. We are very much looking forward to working with you.