Schneider Altistart 48 ATS48D88Y Soft Starter

Description

The ATS48D88Y is a high-performance soft starter from the Altistart 48 range, engineered to provide smooth acceleration and deceleration for asynchronous motors. Rated for a nominal current of 77 A, this unit supports a wide power range from 18.5 kW to 75 kW and operates across a supply voltage spectrum of 208–690 V. It utilizes advanced torque control technology to reduce mechanical stress on connected machinery, making it an essential solution for applications such as pumps, fans, and compressors where minimizing starting torque surges is critical.

Features

• 77 A nominal current rating
• Wide voltage support: 208–690 V
• Power range: 18.5 kW to 75 kW
• Advanced torque control for smooth motor start/stop
• Integrated thermal motor protection
• Designed for standard asynchronous motors

Applications

• Industrial pump systems
• Centrifugal and axial fan controls
• Compressor motor soft-starting
• Conveyor belt start-up management
• General-purpose machine tool motor control

Technical Specifications

Installation Guidelines

• Mounting: Ensure the soft starter is installed vertically to maximize natural cooling airflow. Maintain specified minimum clearances around the unit.
• Environment: Install in a location free from excessive dust, corrosive gases, and humidity. Ensure the ambient temperature is within the manufacturer's specified operational range.
• Wiring: Use appropriate cable cross-sections for the 77 A rated current. Ensure secure connections to the power terminals and properly grounded bypass contactors if external bypass is used.
• Thermal Protection: Configure the integrated thermal protection settings according to the specific motor nameplate data to prevent motor burnout.
• Safety: Allow adequate time for internal components to discharge before performing maintenance or inspection on the terminal blocks.