ABB ACSM1-04AM-635A-4 Soft Starter - 355kW/635A
Part Number: 3AUA0000127156
Quick Summary
ABB ACSM1-04AM-635A-4 soft starter protects and controls AC motors in industrial applications such as conveyors and pumps. Users commonly struggle with inrush currents, motor wear, and unpredictable startup sequences that disrupt production. This ABB solution aligns with CE safety standards and offers IP-rated protection when configured, with SIL-ready safety logic in appropriate configurations. By delivering smooth ramping and reduced peak currents, it enhances reliability and energy efficiency for ABB-based drive systems. For OEMs and maintenance teams, the compact form factor and straightforward wiring simplify installation and spare-parts planning, delivering faster time-to-operate on critical lines.
Product Information
Feature: Inrush current limitation and controlled ramping → Business Impact: Reduces mechanical stress and electrical noise, extending motor life and lowering startup energy costs → Application: Conveyors, pumps, and fans in packaging, water treatment, and material handling. Feature: High current capability Icont.max 635 A → Business Impact: Supports large-capacity motors without nuisance tripping, enabling broader motor selection and scalable systems → Application: Industrial fans, HVAC, and process equipment. Feature: Pcont.max 355 kW rating → Business Impact: Allows high-power soft-start for heavy-load drives, improving control accuracy and process stability → Application: Steel, mining, and plastics processing lines. Feature: Safety and compliance features (CE, SIL-ready, IP configurations) → Business Impact: Meets regulatory requirements and enhances operator protection, reducing risk and downtime → Application: Any regulated manufacturing environment seeking robust protection. Feature: Easy integration with ABB ACS ecosystem → Business Impact: Shorter commissioning and easier maintenance with compatible components, reducing total cost of ownership → Application: Retrofit projects and new automation architectures.
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FAQs
The ACSM1-04AM-635A-4 is designed to integrate seamlessly with ABB low-voltage drive ecosystems. It supports standard AC motors up to 355 kW and 635 A, with straightforward wiring and parameter synchronization to ABB controls. Ensure matching supply voltage and compatible control circuits, and use ABB configuration tools to streamline commissioning and reduce setup time.
Pcont.max is 355 kW and Icont.max is 635 A for this model. These ratings define the continuous power and current the soft starter can handle without overheating. They enable safe soft-start of high-capacity motors, minimize inrush, and prevent nuisance trips during peak loads, supporting reliable operation in demanding lines such as conveyors and pumps.
Yes. The ACSM1-04AM-635A-4 is well-suited for conveyors, pumps, and fans where smooth acceleration, reduced mechanical stress, and controlled torque are essential. Its 355 kW / 635 A ratings accommodate sizable motors, while the integrated protection features help maintain process stability and extend motor life in continuous production environments.
This model supports CE safety conformity and configurable IP protection levels, aligning with common international safety and performance standards. When configured for SIL-ready safety logic, it can support safety-related control circuits. These certifications help meet regulatory requirements, reduce validation time, and boost operator safety in regulated facilities.
The ACSM1-04AM-635A-4 reduces electrical stress and peak inrush, lowering wear on contactors and cables and improving energy efficiency. Maintenance intervals lengthen due to gentler motor starting, and the predictable startup behavior lowers downtime. Over time, this translates to lower maintenance costs and a faster return on investment in heavy-duty production lines.