VZA44POBAA
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Overview of Omron VZA44POBAA
The Omron VZA44POBAA is a high-performance 3-phase V1000 series frequency inverter, designed for industrial motor speed control applications. It offers a rated power of 5.5 kW with an input voltage of 400 VAC and supports a wide output frequency range of 0.1 to 400 Hz for precise motor control.
This inverter utilizes sine wave PWM control with V/f and sensorless current vector control methods, ensuring high torque and efficient operation even at low speeds.
Key Features of Omron VZA44POBAA
- Rated Power: 5.5 kW at 400 VAC input.
- Control Methods: Sine wave PWM, V/f control, sensorless current vector control.
- Output Frequency Range: 0.1 to 400 Hz with high frequency resolution.
- Overload Capacity: Heavy-duty: 150% rated current for 1 minute; Normal duty: 120% rated current for 1 minute.
- Input Signals: Supports 0-10 V, 4-20 mA, 0-20 mA analog inputs, pulse train inputs, and frequency setting.
- Braking Torque: Up to 150% short-term deceleration torque for loads up to 1.5 kW; varies for higher power ratings.
- Built-in Protection Features: Overcurrent, overvoltage, undervoltage, overheating, and more.
- IP Rating: IP20 for dust protection in industrial environments.
- Compact Size: Designed for space-saving panel installations.
Technical Specs of Omron VZA44POBAA
| Model | VZA44POBAA |
| Brand | Omron |
| Series | V1000 VZA Series |
| Rated Power | 5.5 kW |
| Input Voltage | 400 V AC, 3-phase |
| Output Frequency | 0.1 - 400 Hz |
| Control Methods | Sine wave PWM, V/f control, Sensorless current vector |
| Overload Capacity | 150% rated current for 1 minute (heavy duty) |
| Analog Inputs | 0-10 V (20 kΩ), 4-20 mA (250 Ω), 0-20 mA (250 Ω) |
| Braking Torque | 150% (up to 1.5 kW) |
| IP Rating | IP20 |
| Cooling | Built-in cooling fan |
| Dimensions (approx.) | See datasheet for exact dimensions |
Applications / Use Case
The Omron VZA44POBAA inverter is ideal for industrial applications such as pumps, fans, conveyors, and machine tools where precise speed, torque control, and energy efficiency are required. Its compact size and robust features make it suitable for installation in control panels within manufacturing and processing environments.
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