Name: Soft starter
Brand: ABB
SKU: 34392372
Price: 7792 CHF
Availability: InStock

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ABB Stotz S&J Softstarter PSTX470-600-70

Manufacturer: ABB Stotz S&J  
Designation: Softstarter 250 kW 400 V  
Type: PSTX470-600-70  
Rated operational current Ie at 40 °C: 470 A  
Rated operational voltage Ue: 208..600 V  
Rated power of three-phase motor, standard connection, at 230 V: 132 kW  
Rated power of three-phase motor, standard connection, at 400 V: 250 kW  
Rated power of three-phase motor, star-delta connection, at 230 V: 250 kW  
Rated power of three-phase motor, star-delta connection, at 400 V: 450 kW  
Function: Reversing starter  
Internal bypass: yes  
With display: yes  
Torque control: yes  
Rated ambient temperature without derating: 40 °C  
Rated control supply voltage Us at AC 50 Hz: 100..250 V  
Rated control supply voltage Us at AC 60 Hz: 100..250 V  
Type of voltage for actuation: AC  
Integrated motor overload protection: yes  
Tripping class: adjustable  
Protection class (IP): IP00  
Protection class (NEMA): 1  

The PSTX softstarters provide complete motor protection in a single device and operate effectively even under load or network irregularities. Motor protection is ensured through PT-100, residual current, over- and undervoltage protection, and additional functions. Various start, stop, and torque adjustment options allow for precise adaptations to the specific application. For example, the pump cleaning function can alternately reverse the pump flow, thereby freeing the pump impeller from contamination. The slow jog operation forward and backward increases flexibility, for instance, when operating conveyors and cranes. An integrated bypass ensures energy efficiency by reducing heat generation during operation. The display and menu navigation are user-friendly.

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