Schneider Electric ATV71HD18N4

Schneider Electric ATV71HD18N4

The Schneider Electric ATV71HD18N4 is a high-quality variable-speed drive engineered for complex, high-power machines. It features an integrated EMC filter, ensuring clean and stable operation. It is engineered for exceptional control. The driveà ¢ ‚ ¬ ¢s robust safety features, including overheating and overvoltage protection, guarantee reliable performance. Compact and lightweight, it fits seamlessly into various setups.

Technical Specifications:

The ATV71HD18N4 Variable Speed Drive delivers motor power of 18.5 kW with a maximum horsepower rating of 25 hp. It operates on a 3-phase 380 to 480 V AC power supply. The drive has a line current of 37.5 A at 480 V and 45.5 A at 380 V. The tolerance for power supply voltage is -15% to +10%. The nominal output current is 34 A at 4 kHz, 460 V. It is 41 A at 4 kHz, 380 V.

The drive weighs 15 kg (33.07 lbs.) and measures a height of 400 mm, a depth of 213 mm, and a width of 230 mm. The drive delivers extensive communication options, including EtherNet/IP, CANopen, DP, DeviceNet, PROFIBUS, Modbus TCP, and BACnet. These protocols facilitate communication and control in various industrial and automation environments, each with specific applications and advantages. These diverse options enable flexible connectivity and adaptability to various systems.

Safety and Protection Features:

The Schneider Electric ATV71HD18N4 Variable Speed Drive integrates essential safety features. It protects against exceeding the limit speed. The drive is protected against input phase loss. The control circuit has a built-in break feature. The drive also manages input phase breaks. The line supply is protected against overvoltage and undervoltage. Overcurrent protection between output phases and earth is included.

The drive has built-in overheating protection. Overvoltage protection on the DC bus is also present. The drive safeguards against short circuits between motor phases. Thermal protection is integrated into both the drive and the motor. The motor phase break protection ensures smooth operation. Power removal protection is available for the motor. Thermal protection for the motor adds an extra layer of safety.

Installation and Mounting:

To ensure maximum functionality, the ATV71HD18N4 requires proper installation and mounting. Packed with control terminals, digital and analog inputs and outputs, power supplies, relays, and I/O extension modules, its installation covers a broad spectrum of factors contributing to its optimal performance.

It is imperative to ensure sufficient protection against overcurrent. The product document provides guidelines on using properly rated overcurrent protection devices to prevent any undesirable outcomes caused by overcurrent.

The installation also includes provisions for braking resistors and units, which enable the drive to operate effectively while braking to a standstill. Additional EMC input filters are also suggested to meet harsher requirements.

Frequently Asked Questions:

What is the switching frequency range for the Schneider Electric ATV71HD18N4?

The switching frequency range for the Schneider Electric ATV71HD18N4 Variable Speed Drive is adjustable from 1 to 16 kHz. This allows for flexibility in optimizing performance and reducing noise.

What braking options are available for the Schneider Electric ATV71HD18N4?

The ATV71HD18N4 supports the use of braking resistors and braking units, which allow the drive to effectively brake to a standstill during operations, providing improved control and safety.

How does the ATV71HD18N4 Variable Speed Drive handle overheating?

The drive includes thermal protection features that safeguard the drive and the motor from overheating, ensuring safe and reliable operation in demanding environments.

Product Specifications Table