ProductPRODUCT
Featured products
Contact Us
- Schneider
- ATS48D88Q
- Soft Starter
- France
- 290 x 190 x 235 mm
- 8.3 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 15
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview
The Schneider ATS48D88Q Soft Starter is an industrial motor-control device designed to provide controlled starting and stopping of AC motors in industrial automation, process equipment, and motor-driven machinery. It belongs to the Schneider ATS48 soft starter family and is intended for applications where direct-on-line starting may produce excessive electrical demand, mechanical shock, or unstable process behavior.
When a motor is started directly across the supply, it can draw a high starting current and produce a rapid increase in torque. For equipment with significant rotating inertia, this sudden change can place additional stress on shafts, couplings, gearboxes, belts, pumps, fans, compressors, and other mechanical components.
The ATS48D88Q provides a controlled motor-starting process, allowing the transition from zero speed to normal operation to be managed according to the characteristics of the motor and connected load. Proper application and commissioning can help improve starting smoothness, reduce mechanical impact, and support stable machine operation.
The supplied physical specifications for the Schneider ATS48D88Q are 290 × 190 × 235 mm, with a listed weight of 8.3 kg.
Typical applications include industrial pumps, conveyors, fans, blowers, compressors, material-handling equipment, and general industrial machinery.
Product Identification
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATS48D88Q |
| Product Family | ATS48 |
| Product Type | Soft Starter |
| Main Function | Controlled AC Motor Starting and Stopping |
| Application | Industrial Motor Control |
| Dimensions | 290 × 190 × 235 mm |
| Weight | 8.3 kg |
| Installation | Electrical Control Cabinet |
| Typical Applications | Pumps, Fans, Conveyors, Compressors, Blowers |
| System Role | Motor Acceleration / Deceleration |
| Maintenance | Electrical, Thermal, Mechanical, and Diagnostic Inspection |
Technical Specifications
| Technical Item | Specification |
|---|---|
| Brand | Schneider Electric |
| Model Number | ATS48D88Q |
| Series | ATS48 |
| Product Type | Soft Starter |
| Primary Function | Controlled Motor Starting |
| Motor Application | Industrial AC Motors |
| Dimensions | 290 × 190 × 235 mm |
| Weight | 8.3 kg |
| Installation Type | Panel / Control Cabinet |
| Application Area | Industrial Automation |
| Main Maintenance Areas | Power Connections, Cooling, Motor Circuit, Configuration |
| System Role | Motor Starting and Stopping |
The dimensions and weight above are based on the product information supplied for this model. Exact electrical ratings, current characteristics, terminal configuration, protection requirements, and application-specific parameters should be verified against the applicable equipment documentation before commissioning.
What Is the Schneider ATS48D88Q?
The ATS48D88Q is a soft starter installed within the motor power circuit between the electrical supply and an AC motor.
A simplified architecture is:
Three-Phase Power Supply
↓
Circuit Protection / Isolation
↓
ATS48D88Q Soft Starter
↓
AC Motor
↓
Mechanical Load
The soft starter controls the motor’s starting process to provide a more progressive transition from the stopped state to normal operation.
A typical sequence is:
Motor Stopped
↓
Start Command
↓
Controlled Acceleration
↓
Motor Reaches Operating Condition
↓
Normal Operation
This approach is useful when a sudden motor start could create excessive mechanical stress, electrical disturbances, or process instability.
How the ATS48D88Q Supports Soft Starting
An induction motor can draw substantially more current during acceleration than during steady-state operation. The mechanical load also determines how much torque is required to bring the motor up to speed.
A direct start can therefore produce:
- High starting current
- Sudden torque
- Mechanical shock
- Supply disturbance
- Increased stress on drive components
A soft starter provides a more controlled acceleration process.
The final starting behavior depends on:
- Motor characteristics
- Motor current
- Load inertia
- Mechanical resistance
- Acceleration requirements
- Starting frequency
- Supply conditions
- Starter configuration
For this reason, commissioning should be based on the actual motor and driven machine.
Main Functions
Controlled Motor Acceleration
The ATS48D88Q manages the starting process to provide progressive acceleration from zero speed toward normal motor operation.
Reduced Mechanical Stress
A controlled start can reduce sudden torque transmission through:
- Shafts
- Couplings
- Gearboxes
- Belts
- Pumps
- Conveyor systems
Controlled Stopping
Where appropriate for the application, controlled stopping can provide a smoother transition when reducing motor speed.
Motor Protection and Monitoring
The complete installation can incorporate motor protection and monitoring functions suitable for the application.
Automation System Integration
The ATS48D88Q can be integrated into industrial control systems containing PLCs, HMIs, relays, contactors, protective devices, sensors, and external interlocks.
Typical Industrial Applications
Pump Applications
Pump systems can benefit from controlled motor acceleration because sudden changes in speed can cause hydraulic disturbances.
Potential benefits include:
- Reduced water hammer
- Reduced pressure surges
- Smoother flow development
- Reduced mechanical shock
- Lower coupling stress
Potential applications include:
- Process pumps
- Industrial water systems
- Cooling-water systems
- Circulation systems
- Water-treatment equipment
Conveyor Applications
Conveyors often contain considerable mechanical inertia.
Controlled acceleration can help reduce stress on:
- Conveyor belts
- Gearboxes
- Drive shafts
- Couplings
- Rollers
A progressive startup can also reduce sudden movement of transported materials.
Fan and Blower Applications
Large fans and blowers may have substantial rotating inertia.
A controlled starting process can reduce the mechanical impact associated with accelerating the rotating assembly.
Compressor Applications
Soft starting can be considered for compressor motor systems where the starter, motor, compressor, and process conditions are compatible with controlled acceleration.
Material-Handling Applications
Potential applications include:
- Bulk-material handling
- Industrial conveyors
- Processing machinery
- Production lines
- Material-transfer systems
- Heavy industrial equipment
Motor-Control Architecture
A typical power architecture can be represented as:
Incoming Three-Phase Supply
↓
Isolation and Protection
↓
ATS48D88Q
↓
AC Motor
↓
Mechanical Load
A PLC-based control architecture may be:
PLC / Control System
↓
Start / Stop Command
↓
ATS48D88Q
↓
Motor
External interlocks, emergency-stop circuits, and protective devices should be implemented according to the machine’s approved electrical and safety design.
Installation Guide
1. Verify the Motor and Application
Before installing the ATS48D88Q, collect the motor nameplate information.
Verify:
- Motor voltage
- Motor current
- Motor power
- Frequency
- Motor connection
- Duty cycle
- Load characteristics
- Starting requirements
The starter must be appropriately matched to the actual motor and application.
2. Inspect the ATS48D88Q
Confirm the product identification:
Schneider ATS48D88Q
Inspect the unit for:
- Cracked housing
- Damaged terminals
- Loose components
- Corrosion
- Contamination
- Mechanical damage
- Signs of overheating
The supplied dimensions are:
290 × 190 × 235 mm
The supplied weight is:
8.3 kg
3. Verify Cabinet Installation Space
Provide adequate space for:
- Air circulation
- Heat dissipation
- Power-cable routing
- Control-cable routing
- Terminal access
- Maintenance
Do not obstruct ventilation paths.
The cabinet thermal design should also account for heat produced by other components installed near the soft starter.
4. Record Existing Configuration
For replacement installations, document:
- Motor nameplate data.
- Existing starter settings.
- Power-circuit connections.
- Control wiring.
- PLC commands.
- Interlock conditions.
- Existing alarms and faults.
Good documentation can reduce wiring and commissioning errors.
5. Isolate Electrical Power
Before installation:
- Disconnect incoming electrical power.
- Isolate control power where applicable.
- Apply lockout/tagout procedures.
- Verify the absence of hazardous voltage.
- Confirm the motor cannot start unexpectedly.
Electrical installation should only be performed by appropriately qualified personnel.
6. Mount the Soft Starter
Secure the ATS48D88Q firmly in the control cabinet.
Verify:
- Correct mounting orientation
- Mechanical stability
- Ventilation
- Terminal accessibility
- Cable clearance
- Distance from heat-generating equipment
The supplied weight of 8.3 kg should be considered when designing or checking the mounting structure.
7. Connect Incoming Power
Connect the incoming three-phase supply according to the approved electrical schematic.
Check:
- Phase conductors
- Circuit protection
- Cable sizing
- Terminal connections
- Grounding
- Insulation
Do not energize the system until all power connections have been checked.
8. Connect the Motor
Connect the motor according to the approved electrical design.
Verify:
- Motor terminals
- Phase conductors
- Ground conductor
- Cable condition
- Motor connection
- Rotation requirements
A controlled rotation test should be completed before normal production operation.
9. Connect Control Wiring
Depending on the system architecture, control connections may include:
- Start command
- Stop command
- Fault indication
- Ready indication
- PLC interface
- External interlocks
Identify and verify every control conductor before commissioning.
10. Configure the Starter
Configure the ATS48D88Q based on the actual motor and load.
Consider:
- Motor current
- Starting behavior
- Acceleration requirements
- Stopping requirements
- Starting frequency
- Protection requirements
- Load characteristics
Avoid copying settings from a different machine unless the motor, load, and operating duty are equivalent.
11. Perform Initial Start Testing
Before normal production operation:
- Verify all control signals.
- Start the motor under controlled conditions.
- Observe acceleration.
- Confirm rotation direction.
- Monitor current.
- Check vibration.
- Check abnormal noise.
- Observe starter diagnostics.
12. Perform Full-Load Testing
After successful initial testing:
- Apply the normal mechanical load.
- Start the motor.
- Monitor current.
- Observe acceleration.
- Check motor temperature.
- Check starter temperature.
- Observe process behavior.
- Record commissioning values.
Commissioning Checklist
| Item | Verification |
|---|---|
| ATS48D88Q Identified | Confirmed |
| Motor Nameplate Verified | Confirmed |
| Motor Current Checked | Confirmed |
| Load Characteristics Confirmed | Confirmed |
| Cabinet Clearance Checked | Confirmed |
| Ventilation Checked | Confirmed |
| Mounting Support Checked | Confirmed |
| Power Isolated | Confirmed |
| Incoming Wiring Verified | Confirmed |
| Motor Wiring Verified | Confirmed |
| Grounding Verified | Confirmed |
| Control Wiring Verified | Confirmed |
| Parameters Configured | Confirmed |
| Initial Start Completed | Confirmed |
| Motor Rotation Verified | Confirmed |
| Full-Load Test Completed | Confirmed |
| Diagnostics Checked | Confirmed |
Troubleshooting Guide
Motor Does Not Start
If the motor does not respond to the start command, inspect:
- Incoming power
- Control power
- Start signal
- Stop circuit
- External interlocks
- Motor wiring
- Protection devices
- Starter status
- Fault indication
First determine whether the ATS48D88Q is receiving the expected start command.
Soft Starter Reports a Fault
When a fault occurs:
- Record the fault information.
- Avoid repeatedly resetting the starter.
- Check the motor.
- Inspect the incoming power.
- Check power and control wiring.
- Review motor configuration.
- Check thermal conditions.
- Correct the underlying cause.
Resetting without diagnosis can make intermittent problems more difficult to identify.
Motor Trips During Acceleration
Potential causes include:
- Excessive mechanical load
- Incorrect motor-current configuration
- Motor fault
- Phase problem
- Supply problem
- Incorrect starting settings
- Protection function activation
Measure current during startup and compare the observed behavior with the motor and load requirements.
Motor Accelerates Too Slowly
Possible causes include:
- Excessive acceleration time
- High load inertia
- Excessive mechanical load
- Insufficient starting torque
- Incorrect configuration
- Mechanical restriction
Inspect both the electrical system and mechanical load.
Motor Accelerates Too Quickly
If the motor reaches operating speed too aggressively, review:
- Acceleration configuration
- Starting settings
- Motor characteristics
- Load characteristics
The acceleration profile should be appropriate for the mechanical system.
Motor Does Not Reach Full Speed
Possible causes include:
- Excessive load
- Motor fault
- Supply problem
- Incorrect motor connection
- Mechanical obstruction
- Incorrect configuration
Check motor current, supply conditions, and mechanical load together.
Starter Overheats
Possible causes include:
- Excessive starting frequency
- High ambient temperature
- Insufficient ventilation
- Blocked cooling paths
- Excessive motor current
- Loose connections
- Incorrect application sizing
Inspect the starter and the entire cabinet thermal environment.
Motor Overheats
Potential causes include:
- Excessive mechanical load
- Frequent starting
- Long acceleration
- Poor motor cooling
- Supply imbalance
- Incorrect motor configuration
- Mechanical problems
Compare the measured operating current with expected motor operation.
Excessive Starting Current
If starting current is higher than expected, investigate:
- Motor parameters
- Starting configuration
- Load inertia
- Motor condition
- Supply voltage
- Application sizing
A soft starter can reduce the severity of starting current, but it cannot eliminate the current needed to generate motor torque.
Motor Vibrates During Starting
Potential causes include:
- Mechanical imbalance
- Coupling problems
- Misalignment
- Excessive load
- Motor condition
- Incorrect starting configuration
Perform mechanical and electrical inspections together.
Motor Stops Unexpectedly
Check:
- Stop command
- Fault status
- Protection functions
- Motor current
- Supply voltage
- Thermal conditions
- PLC logic
- External interlocks
Determine whether the stop originates from the soft starter, control system, or driven equipment.
Starter Resets Unexpectedly
Investigate:
- Control-power stability
- Incoming supply
- Electrical connections
- Grounding
- Thermal conditions
- External control circuitry
Record whether the reset occurs during startup, stopping, or steady-state operation.
Preventive Maintenance
Monthly Inspection
Check:
- Starter status
- Motor current
- Cabinet temperature
- Visible contamination
- Cable condition
- Abnormal noise
- Abnormal vibration
Quarterly Inspection
Inspect:
- Power terminals
- Control terminals
- Grounding
- Cooling paths
- Motor connections
- Cabinet ventilation
Annual Inspection
Perform:
- Detailed electrical inspection
- Thermal inspection
- Motor-current verification
- Configuration backup
- Terminal inspection
- Cabinet cleaning
- Motor and mechanical-system inspection
Maintenance intervals should be adjusted according to operating hours, environmental conditions, and equipment criticality.
Thermal Management
The ATS48D88Q generates heat during operation, particularly during motor acceleration.
The cabinet design should account for:
- Ambient temperature
- Motor load
- Starting frequency
- Heat generated by neighboring equipment
- Airflow
- Cooling equipment
Blocked ventilation or inadequate cabinet cooling can cause thermal problems even when the motor itself is operating normally.
Motor Starting Optimization
A reliable starting configuration should balance:
| Parameter | Objective |
|---|---|
| Starting Current | Control electrical stress |
| Starting Torque | Provide sufficient acceleration |
| Acceleration Time | Match mechanical requirements |
| Motor Temperature | Prevent overheating |
| Mechanical Stress | Protect machine components |
| Process Response | Maintain stable operation |
For pumping systems, smooth acceleration may be the primary objective. For conveyors and high-inertia equipment, sufficient starting torque and controlled acceleration may be more important.
Replacement Considerations
Before replacing an ATS48D88Q, verify:
| Check Item | Purpose |
|---|---|
| Model Number | Confirms replacement |
| Motor Current | Confirms application suitability |
| Motor Voltage | Confirms electrical compatibility |
| Load Type | Confirms starting requirements |
| Control Wiring | Prevents wiring errors |
| Protection | Maintains electrical safety |
| Cabinet Cooling | Prevents thermal problems |
| Configuration | Preserves machine behavior |
| Mounting Space | Confirms physical compatibility |
Compatible System Components
The ATS48D88Q normally forms part of a complete motor-control system.
| Component | Function |
|---|---|
| Three-Phase Supply | Provides Motor Power |
| Circuit Protection | Protects Electrical Circuit |
| ATS48D88Q | Controls Motor Starting |
| AC Motor | Produces Mechanical Power |
| Motor Cable | Transfers Electrical Power |
| PLC | Provides Control Logic |
| Control Relays | Control / Interlocking |
| Emergency Stop Circuit | Safety Function |
| HMI | Operator Interface |
| Mechanical Load | Driven Equipment |
The final system architecture should follow the machine’s approved electrical and safety design.
Key Advantages
Controlled Motor Starting
The ATS48D88Q provides progressive motor acceleration rather than an abrupt direct start.
Reduced Mechanical Stress
Controlled acceleration can reduce sudden torque transmission through mechanical components.
Improved Process Stability
Pumps, conveyors, fans, compressors, and other industrial machines can benefit from smoother startup behavior.
Automation Integration
The soft starter can be incorporated into PLC-based industrial motor-control systems.
Practical Cabinet Installation
The supplied dimensions are 290 × 190 × 235 mm, with a listed weight of 8.3 kg. Adequate cabinet space, ventilation, cable routing, and mounting support should therefore be considered during installation.
Frequently Asked Questions
What is the Schneider ATS48D88Q?
The Schneider ATS48D88Q is an ATS48 series soft starter designed to provide controlled starting and stopping for industrial AC motors.
What are the dimensions of the ATS48D88Q?
The supplied dimensions are:
290 × 190 × 235 mm
What is the weight?
The listed weight is:
8.3 kg
What is the purpose of a soft starter?
A soft starter manages the motor-starting process to reduce abrupt electrical and mechanical stress.
What applications can use the ATS48D88Q?
Typical applications include:
- Pumps
- Fans
- Conveyors
- Compressors
- Blowers
- Material-handling equipment
- Industrial machinery
Why does the motor fail to start?
Check incoming power, control signals, stop circuits, external interlocks, motor wiring, protection devices, starter status, and fault indications.
Why does the ATS48D88Q overheat?
Possible causes include frequent starting, high ambient temperature, inadequate ventilation, blocked airflow, excessive motor current, loose connections, or unsuitable application conditions.
Why does the motor trip during acceleration?
Potential causes include excessive mechanical load, incorrect motor configuration, supply problems, motor faults, or protective functions being activated.
Does the ATS48D88Q eliminate motor inrush current?
No. A soft starter manages the starting process and can reduce the severity of starting current, but the motor still requires current to generate the torque needed for acceleration.
Can the ATS48D88Q be replaced while energized?
Unless the specific installation explicitly supports energized replacement, electrical power should be isolated before removing or installing the soft starter.
Installation Checklist
| Item | Status |
|---|---|
| Correct ATS48D88Q Identified | ✓ |
| Motor Data Confirmed | ✓ |
| Application Load Confirmed | ✓ |
| Cabinet Clearance Verified | ✓ |
| Ventilation Verified | ✓ |
| Mounting Support Verified | ✓ |
| Power Isolated | ✓ |
| Incoming Wiring Checked | ✓ |
| Motor Wiring Checked | ✓ |
| Grounding Checked | ✓ |
| Control Wiring Checked | ✓ |
| Parameters Configured | ✓ |
| Initial Start Tested | ✓ |
| Motor Rotation Verified | ✓ |
| Full-Load Operation Tested | ✓ |
| Diagnostics Checked | ✓ |
Conclusion
The Schneider ATS48D88Q Soft Starter is an industrial motor-control solution designed to provide controlled acceleration and stopping for AC motor-driven equipment. By managing the motor-starting process, it can help reduce sudden electrical and mechanical stress and provide smoother operation for pumps, conveyors, fans, compressors, blowers, and other industrial machinery.
The supplied physical specifications are 290 × 190 × 235 mm, with a listed weight of 8.3 kg. Proper installation requires attention to motor compatibility, electrical protection, power and control wiring, grounding, cabinet ventilation, mounting support, configuration, and commissioning.
For troubleshooting, the ATS48D88Q should be evaluated as part of the complete motor-control system. Incoming power, control commands, motor condition, mechanical load, protection functions, configuration, wiring, and thermal conditions can all affect performance.
A structured installation and commissioning procedure, combined with preventive maintenance and systematic fault diagnosis, can help reduce unnecessary component replacement and maintain reliable operation of the overall motor-control system.