The Schneider Electric Altistart 48 ATS48C21Q is a high-performance soft starter designed for the control and protection of three-phase asynchronous motors. Engineered for heavy-duty industrial applications, this unit provides smooth starting and stopping sequences, effectively reducing mechanical stress on equipment and minimizing current surges during motor startup. It is widely utilized in applications such as pumps, fans, compressors, and conveyors to enhance system longevity and operational efficiency.
Features
Advanced torque control system for smooth acceleration and deceleration.
Integrated protection functions for the motor, the starter, and the driven machine.
Supports a wide range of power supply voltages from 230 V to 415 V.
Designed for heavy-duty industrial environments requiring reliable motor management.
Configurable discrete inputs for flexible control integration.
Applications
Centrifugal and piston pumps.
Industrial fans and ventilation systems.
Compressors and refrigeration units.
Conveyor belts and material handling equipment.
Technical Specifications
Product Model
ATS48C21Q
Device Type
Soft Starter
Supply Voltage Range
230...415 V (-15% to +10%)
Voltage Limits
195...456 V
Frequency Range
50...60 Hz (-5% to +5%)
Frequency Limits
47.5...63 Hz
Discrete Input Voltage
24 V (up to 30 V)
Manufacturer
Schneider Electric
Installation Guidelines
Ensure the device is mounted in a vertical position to allow for proper heat dissipation.
Maintain adequate clearance around the unit to facilitate airflow and prevent overheating.
Use shielded cables for control signals to minimize electromagnetic interference (EMI).
Verify that the supply voltage matches the specifications before applying power.
Always disconnect the main power supply before performing any wiring or maintenance on the terminal blocks.
Ensure proper grounding of the chassis to a common earth point to maintain electrical safety.
FAQ
What is the primary function of the ATS48C21Q?
The ATS48C21Q acts as a soft starter to limit the starting current and torque of three-phase asynchronous motors, preventing mechanical shock and electrical stress on the power distribution network.
Can this soft starter be used for pump applications?
Yes, the Altistart 48 series is specifically designed to handle the torque requirements of pumps, providing smooth transitions that reduce water hammer effects in piping systems.
