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Home Product QD-bfj-3 Precision HVAC Flow Meter Sensor with Modbus Protocol
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QD-bfj-3 Precision HVAC Flow Meter Sensor with Modbus Protocol

QD-bfj-3 motor drive
QD-bfj-3 frequency inverter
QD-bfj-3 power controller
QD-bfj-3
QD-bfj-3 integrates motor drive, frequency inverter, and power controller functions for industrial motor control, energy efficiency optimization, and dynamic load regulation. It enables precise speed adjustment, electrical optimization, and enhanced equipment reliability. Designed with versatile compatibility and robust stability, it supports demanding industrial environments through customizable drive solutions in automation systems.
Categories:Building & Grounds Maintenance
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Product Description

The QD-bfj-3 motor drive is a versatile power controller designed for industrial automation and machinery, integrating advanced motor control with energy efficiency. It supports 3-phase AC input (380-480V) and delivers 3-phase output, compatible with motors up to 30kW. The device features 6 digital inputs, 4 relay outputs, and directly interfaces with external modules like PLCs via RS-485 or CANopen protocols. Operating within -10°C to +50°C, it suits manufacturing, HVAC, and energy sectors. The QD-bfj-3 frequency inverter offers dynamic torque control and overload protection, paired with a 4.3-inch LCD for real-time monitoring. Key advantages include compact design, adaptive cooling, and low harmonic distortion, though initial configuration may require specialized tools. Detection ranges extend to 10 meters for sensor integration, enhancing precision in motion-driven systems. The QD-bfj-3 power controller ensures reliable performance under fluctuating loads, making it ideal for applications demanding robust speed regulation and energy optimization.
Parameter Specification
Model Designation QD-bfj-3 motor drive / QD-bfj-3 frequency inverter / QD-bfj-3 power controller
Input Voltage Range 200-480 VAC, 3-phase
Output Power Capacity 0.75-110 kW
Frequency Control Range 0.5-600 Hz ±0.01%
Control Mode Sensorless Vector Control, V/F, Torque
Overload Capacity 150% for 60s, 200% for 3s
Power Efficiency ≥98% at full load
Operating Temperature -10°C to +50°C
Cooling Method Forced air cooling
Communication Interface RS-485, Modbus RTU, CANopen
Protection Rating IP20 (Enclosure), IP54 (Optional)
question:Why choose us for industrial automation products?
answer:As Asia's leading trader with 20+ years experience, 85% repeat clients, and guaranteed product quality and reliability.
question:Do you accept payment after delivery?
answer:Standard terms require advance payment, but flexible arrangements can be discussed based on order value and credit history.
question:Can you provide upgraded or alternative models?
answer:Yes, we offer a wide range of upgrade options and compatible alternatives from our extensive product portfolio.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why choose us for industrial automation products?
answer:As Asia's leading trader with 20+ years experience, 85% repeat clients, and guaranteed product quality and reliability.
question:Do you accept payment after delivery?
answer:Standard terms require advance payment, but flexible arrangements can be discussed based on order value and credit history.
question:Can you provide upgraded or alternative models?
answer:Yes, we offer a wide range of upgrade options and compatible alternatives from our extensive product portfolio.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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