64646885 ABB

Product Description for ABB 64646885

Description: The 64646885 is an auxiliary transformer from ABB, also identified by the type designation M3V6/4-50. This component is a vital accessory for high-performance industrial drives, specifically designed for use with the ACS800-X04 series. Its function is to provide stable, isolated power at multiple voltage levels to the control circuitry and auxiliary components of the drive system.

Application Scenarios: In a large paper mill, the primary pulp refining machine is controlled by a high-power variable speed drive (VSD). The mill’s electrical grid is prone to voltage fluctuations, which can cause erratic behavior in the VSD’s control electronics, leading to production inconsistencies and costly downtime. The mill’s engineers installed the ABB 64646885 auxiliary transformer as part of a drive system upgrade. The transformer’s ability to accept a wide input voltage range (380-690V) and provide isolated, stable output voltages for the drive’s control circuits immediately solved the issue. The drive now operates with consistent performance, regardless of grid fluctuations. This implementation of the 64646885 not only enhanced the reliability of a critical piece of machinery but also improved the quality of the final product and reduced maintenance interventions.

Parameter:

Main Parameters Value/Description Product Model: 64646885 Manufacturer: ABB Product Category: Auxiliary Transformer ABB Type Designation: M3V6/4-50 Input Voltage: 3×380 to 3x690V, 50/60 Hz, accommodating a wide range of industrial power supplies. Output Voltage 1: 3x400V, for main control circuit power. Output Voltage 2: 1x230V, for auxiliary components and peripherals. Output Voltage 3: 1x115V, for low-voltage control systems and safety circuits. Apparent Power: 5354 VA, providing ample power capacity for the entire drive system. Compatibility: Specifically designed for seamless integration with ABB ACS800-X04 series drives. Dimensions: Designed to fit within the drive’s cabinet, approximately 55 kg (121 lbs) in weight. Environmental Adaptability: Built for robust industrial environments.

Technical Principles and Innovative Values:

Innovation Point 1: Multi-Voltage, Isolated Outputs: The core innovation of the 64646885 is its capability to provide multiple, galvanically isolated output voltages from a single, compact unit. This is critical for industrial drives, as it ensures that the sensitive control electronics are protected from noise and spikes that may be present on the main power lines. The various output voltages also simplify system design by powering different components without the need for additional, separate transformers.
Innovation Point 2: Wide Voltage Range Flexibility: This auxiliary transformer is engineered to operate reliably across a broad range of input voltages, from 380V to 690V. This feature provides significant flexibility for machine builders and end-users, as it allows the same drive model to be deployed in different regions with varying electrical standards. The 64646885 acts as a versatile power conditioning unit, ensuring consistent performance globally.
Innovation Point 3: Integrated and Space-Saving Design: The 64646885 is a purpose-built accessory for the ACS800-X04 series, designed to fit neatly within the drive’s enclosure. This integrated approach saves valuable cabinet space, reduces wiring complexity, and lowers installation time compared to using external, separate transformers. The unit’s robust construction and careful engineering ensure reliable, long-term operation within the drive’s thermal and mechanical environment.

Application Cases and Industry Value:

In a large automotive manufacturing plant, the paint shop’s robotic systems are driven by multiple VSDs. A surge in the plant’s power grid caused a cascade of failures in several of the drives’ control circuits, leading to a complete shutdown of the paint line. The company’s maintenance team replaced the damaged components with new drives and installed the ABB 64646885 transformers. The new setup’s superior power isolation and stability immediately protected the sensitive control electronics from subsequent power disturbances. The company reported zero drive-related failures due to power quality issues for the rest of the year. The reliability provided by the ABB 64646885 not only prevented future costly shutdowns but also safeguarded the company’s investment in its high-tech robotics, reinforcing its reputation for delivering a stable and high-quality product.

Installation, Maintenance, and Full-Cycle Support:

The ABB 64646885 is designed for integration within the ACS800-X04 drive frame, with clear mounting points and wiring terminals that simplify installation for certified technicians. The process involves securing the unit and connecting the main and auxiliary power lines according to the drive’s manual. Due to its solid-state construction, maintenance for the transformer itself is virtually non-existent, focusing on periodic inspection of electrical connections for tightness and cleanliness.

In the rare event of a fault, the modular design of the ACS800 system allows for the quick isolation and replacement of the 64646885 with minimal downtime. As this is a legacy product, its availability can be a concern. However, we maintain a robust support network that provides access to original, refurbished, or new-old-stock units. Our technical service team is expert in the full lifecycle support of the ABB 64646885 and its associated drive systems, offering everything from troubleshooting assistance to sourcing and installation guidance.