Schneider Electric ATV320U75N4B Altivar 320 Variable Speed Drive 7.5kW
Overview
The Schneider Electric ATV320U75N4B is a book-format Altivar Machine variable speed drive rated for 7.5kW motor loads on a 380 to 500V three-phase supply. Purpose-built for embedding directly inside complex machine architectures rather than freestanding switchgear cabinets, the ATV320U75N4B belongs to Schneider Electric’s Altivar Machine ATV320 range, engineered specifically for OEM machine builders who need compact, high-performance motor control that can be mounted in tight enclosure spaces alongside other automation hardware. Its slim book-style enclosure allows side-by-side mounting of multiple drives with minimal cabinet footprint, a design priority for packaging, material handling, and pumping skid manufacturers who must fit substantial motor control capability into a limited panel volume.
With engineering support in Muscat, Seven Star LLC supplies the Schneider Electric ATV320U75N4B variable speed drive to industrial clients throughout the Sultanate of Oman, Muscat, and the wider GCC region. Our engineers assist machine builders, EPC contractors, and plant maintenance teams with drive sizing, motor compatibility verification, and technical support so that every ATV320U75N4B is correctly specified before ordering.
Operating Principle
The Schneider Electric ATV320U75N4B operates as a pulse-width-modulated (PWM) variable frequency drive that converts the fixed-frequency 380 to 500V three-phase incoming supply into a variable-voltage, variable-frequency output waveform. An internal rectifier stage first converts the incoming AC to DC across the drive’s bus capacitors; an insulated-gate bipolar transistor (IGBT) inverter stage then synthesizes the output waveform by rapidly switching the DC bus at precisely controlled intervals, producing a smooth simulated sine wave whose frequency and amplitude are adjusted together to control motor speed and torque.
By varying output frequency rather than relying on mechanical throttling, gearboxes, or dampers, the ATV320U75N4B allows both synchronous and asynchronous three-phase motors to ramp smoothly from zero to full speed, eliminating the high inrush current and mechanical shock associated with direct-on-line starting. The practical consequence is significantly reduced mechanical wear on couplings, belts, and bearings, lower peak electrical demand charges, and precise process control for applications such as conveyor speed matching, pump flow regulation, and fan airflow modulation.
Engineering Design of the Schneider Electric ATV320U75N4B
The physical architecture of the Schneider Electric ATV320U75N4B reflects its “book” form-factor design philosophy: a narrow, flat-sided enclosure engineered to be racked edge-to-edge with additional drives, sharing cooling airflow across the bank without requiring individual side clearances. A removable integrated keypad with graphic LCD display sits on the drive’s front face, providing local parameter access, diagnostic codes, and a rotary/push dial for menu navigation directly at the machine without an external programming tool.
An onboard Ethernet port supports Modbus TCP connectivity out of the box, allowing the drive to be networked into a machine’s PLC or SCADA architecture without a separate communication card in many configurations. Integrated EMC filtering and an internal braking transistor (with external resistor connection points) come standard, simplifying installation in machines that require rapid deceleration or overhauling loads. Forced-air cooling via a top-mounted fan maintains safe operating temperatures even in enclosed panel environments common on regional production floors.
Key Features
Machine builders and panel integrators specifying the Schneider Electric ATV320U75N4B in Oman benefit from a feature set focused on compactness, connectivity, and rapid commissioning. Core capabilities include:
- 7.5kW rated output power for three-phase synchronous and asynchronous motors on 380 to 500V supplies.
- Compact book-style enclosure enabling side-by-side drive banking with reduced cabinet footprint.
- Integrated graphic LCD keypad with rotary dial for on-machine parameter configuration.
- Native Ethernet/Modbus TCP connectivity for direct PLC and SCADA integration.
- Integrated EMC filter and internal braking transistor for simplified installation.
- PWM IGBT inverter technology delivering smooth acceleration and deceleration ramps.
- Built-in motor protection functions including thermal overload and phase-loss detection.
- Wide operating temperature tolerance suited to uncontrolled panel environments in demanding plant locations.
Applications
The compact form factor and native connectivity of the Schneider Electric ATV320U75N4B make the Schneider Electric ATV320U75N4B especially well suited to complex OEM machinery such as packaging lines, conveyor systems, and water treatment skids across Oman’s growing industrial and infrastructure sectors. Machine builders supplying pumping stations, desalination pretreatment skids, and material handling equipment to projects in Muscat and across the Sultanate frequently select the ATV320U75N4B specifically for its ability to sit inside a compact OEM control panel alongside PLCs and other automation hardware without a dedicated drive cabinet.
Commercial HVAC contractors, food and beverage processing plants, and light industrial manufacturers throughout the Sohar and Salalah economic zones also depend on Altivar Machine drives for fan, pump, and conveyor speed control. Backed by genuine manufacturer documentation, Seven Star LLC distributes the ATV320U75N4B to system integrators and OEM panel builders who require genuine hardware, accurate lead times, and manufacturer-backed technical support for both new machine builds and drive replacement programs.
Technical Specifications
Full technical parameters for the Schneider Electric ATV320U75N4B Altivar Machine variable speed drive are listed below; teams sourcing the Schneider Electric ATV320U75N4B for a new build or spares order should confirm firmware revision against these values:
| Parameter | Specification |
|---|---|
| Model | ATV320U75N4B |
| Product Range | Altivar Machine ATV320 |
| Rated Power | 7.5 kW |
| Supply Voltage | 380–500 V, 3-phase |
| Enclosure Format | Book / compact, side-mountable |
| Inverter Technology | PWM, IGBT-based |
| Communication | Integrated Ethernet / Modbus TCP |
| Operator Interface | Integrated graphic LCD keypad with rotary dial |
| Protection Functions | Thermal overload, phase-loss, EMC filtering |
| Cooling | Forced-air, top-mounted fan |
| Braking | Integrated braking transistor, external resistor connection |
Why Choose Seven Star LLC
When sourcing the Schneider Electric ATV320U75N4B, buyers should confirm the firmware version and voltage rating of the Schneider Electric ATV320U75N4B against the manufacturer datasheet — both matter to OEM machine builders whose own customers expect Schneider Electric-grade reliability. As a trusted supplier of Schneider Electric products for Oman and the GCC, Seven Star LLC guarantees genuine factory-sealed drives, complete datasheets and certificates of origin, and engineering support for drive sizing, motor matching, and Ethernet network integration. We source the ATV320U75N4B on request with lead time confirmed at quotation, along with technical support for selecting and troubleshooting the ATV320U75N4B on live production lines.
Get a Quote
To submit a formal Request for Quote (RFQ), check current availability and lead time, or download complete technical datasheets for the Schneider Electric ATV320U75N4B Altivar Machine variable speed drive, the Schneider Electric ATV320U75N4B remains one of our most requested Altivar Machine drives, so please contact the instrumentation and automation division at Seven Star LLC today. Working closely with plant engineers in the region, our engineers are ready to assist with rapid commercial sourcing, drive sizing, and OEM panel integration support.
Browse the full Schneider Electric range or see more AC Drives products supplied by Seven Star LLC in Oman and the GCC.
Other Models in the Schneider Electric Altivar 320 Drives Range
Seven Star LLC supplies models from the Schneider Electric Altivar 320 Drives range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.
| Model | Category | |
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| Schneider Electric ATV320U75N4B Altivar 320 Variable Speed Drive 7.5kW | AC Drives | You are viewing this model |
| Schneider Electric ATV320U40N4C Altivar 320 Variable Speed Drive 4kW | AC Drives | View details |
| Schneider Electric ATV320U22N4C Altivar 320 Variable Speed Drive 2.2kW | AC Drives | View details |
- Datasheet Schneider Electric ATV320U75N4B Altivar 320 Variable Speed Drive 7.5kW Datasheet Download
Schneider Electric product families on this page
Low voltage protection covers Acti9 miniature breakers and their communicating system, ComPacT NSX and PowerPacT H-frame molded case breakers and MasterPact NW air circuit breakers. Altivar 320 variable speed drives appear in several ratings, for example the ATV320U22N4C at 2.2 kW and the ATV320U75N4B at 7.5 kW. Automation is represented by Modicon TM3 expansion modules such as the TM3TM thermocouple input module. Metering includes the EasyLogic PM2000 power meter and iEM2000 modular energy meters. Trihal cast resin transformers and Spacial enclosure accessories complete the electrical distribution side.Where Schneider Electric equipment is used
Main and distribution switchboards in buildings, utilities and industrial plants carry the breakers and meters. Altivar drives run pumps, fans, conveyors and packaging machines. Modicon controllers with TM3 I/O are common in machine builders' panels, and Trihal transformers serve indoor substations where a dry-type unit is specified.Ordering Schneider Electric parts: what we need
The commercial reference printed on the product or its carton is the fastest route. For breakers without a reference send rated current, breaking capacity, number of poles, trip unit type, fixed or drawout construction and the accessories fitted, such as shunt trip, auxiliary contacts or motor mechanism. For drives give motor power, supply voltage and the communication option. For transformers send rated power, primary and secondary voltage, vector group and enclosure rating.Browse Schneider Electric products by category: Circuit Breaker, Electrical & Power Modules, AC Drives, PLC & I/O Cards, Metering Systems.
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