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Schneider ATV320U40N4C Altivar Machine ATV320 4kW 380–500VAC Three-Phase Compact Variable Speed Drive
| Place of Origin | Germany |
| Brand Name | Schneider Electric |
| Model Number | ATV320U40N4C |
Product Overview
The Schneider ATV320U40N4C is a 4 kW, 5 HP variable speed drive from the Altivar Machine ATV320 series. It is designed for a 380–500 VAC three-phase supply and uses the compact C-format housing for integration into industrial control cabinets.
The drive is optimized for simple and advanced machine applications requiring high overload capability, accurate motor control, embedded safety functions and flexible communication. It supports asynchronous motors and compatible synchronous or permanent-magnet motors.
The exact ATV320U40N4C reference identifies the U40 power code, N4 voltage class and Compact C-format enclosure. All three elements must be checked during replacement.
Main Features
- Exact commercial reference: ATV320U40N4C
- Rated motor power: 4 kW
- Rated motor power: 5 HP
- 380–500 VAC three-phase input
- Compact C-format enclosure
- Heavy-duty machine-drive design
- IP20 protection
- Integrated brake chopper
- Native Modbus serial and CANopen
- Optional EtherCAT, PROFINET, EtherNet/IP and other networks
- Integrated STO, SS1 and SLS safety functions
- Asynchronous and synchronous motor compatibility
- Maximum output frequency up to 599 Hz
Technical Specifications
| Model | ATV320U40N4C |
| Series | Altivar Machine ATV320 |
| Product Type | Variable Speed Drive |
| Duty Type | Heavy-Duty Machine Drive |
| Motor Power | 4 kW |
| Motor Power | 5 HP |
| Power Code | U40 |
| Supply Code | N4 |
| Rated Supply Voltage | 380–500 VAC |
| Input Phase | Three Phase |
| Drive Format | Compact |
| Format Code | C |
| Protection | IP20 |
| Integrated Brake Chopper | Yes |
| Native Communication | Modbus Serial and CANopen |
| Optional Communication | EtherCAT, Profibus DP V1, PROFINET, Ethernet Powerlink, EtherNet/IP and DeviceNet |
| Integrated Safety Functions | STO, SS1 and SLS |
| Motor Control | Asynchronous and compatible synchronous or permanent-magnet motor control |
| Maximum Output Frequency | Up to 599 Hz |
| EMC Configuration | Integrated; exact EMC category must be checked by commercial reference |
| Installation | Cabinet-mounted compact drive |
| Availability | Confirm before quotation |
Compatible System and Applications
The ATV320U40N4C is commonly used in conveyors, packaging machinery, mixers, material-handling equipment, textile machinery, pumps, fans and automated manufacturing systems.
The 4 kW power class is widely used in industrial machines, but final selection must be based on motor rated current, overload torque, acceleration cycle, operating frequency and environmental conditions.
Maintenance and Replacement Notes
Verify the complete ATV320U40N4C reference. ATV320U40N4B is a Book-format model and may not fit the same cabinet layout despite having the same voltage and nominal power.
Back up or record the original drive parameters before replacement. Important settings include motor nameplate values, control mode, speed references, digital and analog I/O, safety inputs, braking parameters and communication configuration.
Check the cooling fan, DC bus, power terminals, control terminals, brake-chopper circuit and installed option cards when evaluating a used drive.
Related Models
ATV320U40N4B is the related Book-format 4 kW N4 drive. Adjacent Compact N4 models include ATV320U30N4C at 3 kW and ATV320U55N4C at 5.5 kW.
ATV320U40M3C is the corresponding 4 kW Compact drive for a 200–240 VAC three-phase supply.
Inquiry and Supply Notes
Please provide the motor nameplate, existing drive model, input supply, required control mode, braking duty, communication network and cabinet installation information.
Confirm firmware, option modules, functional-safety requirements, product condition, testing scope, availability and delivery time before quotation.
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