Introduction
The Schneider ATV930U40N4 is a variable speed drive from the Altivar Process ATV900 series, developed for industrial applications that demand precise motor control, energy efficiency, and operational transparency. It is particularly well suited for environments where equipment uptime and process stability are essential.
Built with intelligent control functions and advanced diagnostics, this drive helps engineers maintain consistent performance while reducing maintenance complexity. Its robust hardware design and process-specific software features make it a practical solution for both retrofit projects and new installations.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Speed Drive (VFD) |
| Model | ATV930U40N4 |
| Series | Altivar Process ATV900 |
| Rated Power | 4.0 kW |
| Supply Voltage | 380–480 V AC, 3-phase |
| Control Method | Vector Control / V/F Control |
| Communication | Modbus, expandable industrial network support |
| Protection Class | IP21 |
| Mounting Type | Wall-mounted |
| Operating Temperature | -15°C to 50°C |
| Dimensions (H × W × D) | 350 × 144 × 206 mm |
| Weight | 4.6 kg (10.14 lb) |
Applications
The Schneider ATV930U40N4 is widely used in industrial systems that require stable speed regulation, torque precision, and long-term operational reliability.
Typical applications include:
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Water treatment and booster pumping systems
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Industrial ventilation and HVAC installations
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Material conveying and logistics automation
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Mixing and agitation systems in chemical plants
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Compressors and centrifugal machines
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Food and beverage production lines
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Light-duty mining and aggregate transport systems
Its process-oriented control logic makes it suitable for both standalone machine integration and larger distributed automation architectures.
Advantages
Designed with process continuity in mind, the ATV930U40N4 provides a practical balance between motor efficiency and digital control flexibility.
Key benefits include:
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High-performance vector control for smooth motor response
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Built-in braking management for improved deceleration control
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Advanced energy monitoring functions for efficiency tracking
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Integrated diagnostics for fault prevention and predictive maintenance
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Flexible communication support for plant-wide integration
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Strong overload handling for variable industrial loads
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Reliable thermal management for continuous-duty operation
These strengths help reduce downtime while improving process consistency and energy performance.
Technical FAQs
1. What motor technologies are supported?
The drive supports asynchronous motors, synchronous motors, and permanent magnet motors.
2. Does this model support sensorless vector control?
Yes, it provides advanced sensorless vector control for accurate speed and torque performance.
3. Can it be used in pump and fan systems?
Yes, it is optimized for variable torque applications such as pumps, fans, and HVAC systems.
4. Is regenerative braking supported?
Yes, with appropriate braking accessories or system configurations.
5. What communication interfaces are available?
It supports Modbus as standard and can be expanded with industrial communication modules.
6. Does it include built-in safety functions?
Yes, Safe Torque Off (STO) is integrated.
7. Can parameters be backed up and restored?
Yes, settings can be saved and transferred via software tools or keypad functions.
8. Is remote diagnostics possible?
Yes, it supports remote monitoring and diagnostics through compatible network setups.
9. How does the drive manage overload conditions?
It includes overload protection algorithms and thermal monitoring.
10. Is it suitable for 24/7 industrial operation?
Yes, it is designed for continuous process environments with strong reliability requirements.
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