Product Introduction
The Schneider ATV71HD45N4 Variable Speed Drive is part of the Altivar 71 series, developed for advanced industrial applications that demand precise speed regulation, high overload performance, and flexible control strategies.
Unlike basic drives focused only on motor speed adjustment, this model is engineered for production systems where load changes, torque consistency, and uptime directly affect plant efficiency. Its advanced motor control algorithms allow smoother starts, better process repeatability, and reduced energy waste.
From a maintenance perspective, the ATV71HD45N4 also delivers long-term value through clear diagnostics, integrated protection functions, and straightforward commissioning tools. This makes it a reliable solution for plants seeking both operational performance and service convenience.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Speed Drive |
| Model | ATV71HD45N4 |
| Series | Altivar 71 |
| Motor Power | 45 kW / 60 hp |
| Input Voltage | 380–480 V AC |
| Phase | 3 Phase |
| Line Current | 104 A at 380 V / 85 A at 480 V |
| Nominal Output Current | 77 A at 460 V |
| Maximum Transient Current | 141 A for 60 s / 155 A for 2 s |
| Output Frequency | 0.1–500 Hz |
| Switching Frequency | 1–16 kHz Adjustable |
| EMC Filter | Integrated |
| Protection Rating | IP20 |
| Mounting Type | Wall / Panel Mount |
| Dimensions | 630 × 290 × 320 mm |
| Weight | 44 kg (97.00 lb) |
Designed for Demanding Industrial Motion Systems
The Schneider ATV71HD45N4 Variable Speed Drive is purpose-built for complex motor control applications where torque precision, process stability, and continuous operation are essential. It is widely applied in:
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Heavy conveyor and bulk material transport systems
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Large centrifugal pumps and booster stations
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Industrial mixers and agitators
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Extrusion and winding machines
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Ventilation and high-capacity fan systems
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Hoisting and mechanical handling equipment
Its performance profile makes it especially suitable for facilities that need consistent motor response under variable loads and challenging duty cycles.
Practical Advantages in Daily Plant Operation
The ATV71HD45N4 is more than a standard inverter. It is designed to improve equipment control, reduce mechanical stress, and support efficient maintenance over the long term.
Main advantages
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45 kW / 60 HP power capacity for medium-to-heavy industrial motors
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Sensorless flux vector control for smooth torque output at low speeds
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Integrated EMC filter to improve electrical compatibility
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Wide speed adjustment range for flexible process tuning
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High transient overload capability during startup and load changes
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Support for both asynchronous and synchronous motors
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Built-in graphic terminal for convenient commissioning
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Adjustable switching frequency for optimized noise and efficiency
For engineering teams, one major benefit is stable performance in high-inertia applications without excessive wear on gearboxes, belts, or driven components.
Technical FAQs
1. What motor power is this drive designed for?
It is rated for 45 kW (60 HP) motors on 380–480 V three-phase systems.
2. Does it support vector control?
Yes. It supports both sensorless flux vector control and closed-loop vector control.
3. Is it suitable for high-inertia loads?
Yes. It is designed for complex, high-power machines and demanding startup conditions.
4. What is the output frequency range?
The drive supports output frequency from 0.1 Hz up to 500 Hz.
5. Is an EMC filter integrated?
Yes. The ATV71HD45N4 includes an integrated EMC filter.
6. Can it operate synchronous motors?
Yes. It supports both synchronous and asynchronous motor applications.
7. What is its overload capability?
It can deliver up to 141 A for 60 seconds and 155 A for 2 seconds during transient conditions.
8. Does it support long motor cable runs?
Yes. It supports up to 100 m shielded cable and 200 m unshielded cable.
9. Is it suitable for process automation systems?
Yes. It is widely used in process control, pumping, and heavy machinery systems.
10. How does it help reduce maintenance issues?
Its controlled acceleration, deceleration, and diagnostics reduce mechanical shock and simplify fault analysis.
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