The Carrier HR46TN005 Motor Master variable frequency drive (VFD), 5hp, 3 phase, 400/480 VAC
Carrier HR46TN005 Motor Master VFD – 5HP 3-Phase 400/480V
Overview
The Carrier HR46TN005 Motor Master VFD is a high-performance, OEM variable frequency drive designed for controlling three-phase motors in demanding HVAC, compressor, and fan applications. With a 5 HP rating and operating on a 400/480 VAC power supply, this drive offers variable speed control to enhance system efficiency, reduce energy use, and extend life of mechanical components. Weighing approximately 15 lbs and measuring 9 × 8 × 7 inches, it’s built for drop-in replacement in many Carrier and compatible systems. Apex Controls
Key Features & Benefits
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Matches OEM Carrier specifications for drop-in replacement in Motor Master / MotorMaster V applications.
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Variable speed control enables better efficiency, quieter operation, and reduced wear on motors by avoiding full-speed all the time.
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3-phase power architecture for industrial / commercial loads; handles 400-480V input / output.
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Compact, yet rugged, build with all required protections (overload, overvoltage, etc.) – ideal for replacing legacy units.
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Weight and size suited for relatively easy handling / installation in motor control panels.
Specifications
| Specification | Detail |
|---|---|
| Brand | Carrier |
| Model | HR46TN005 Motor Master VFD |
| Horsepower | 5 HP (Apex Controls) |
| Phase | 3-phase |
| Voltage | 400/480 VAC input / output (Apex Controls) |
| Weight | ~ 15 lbs (Apex Controls) |
| Dimensions | ~ 9 × 8 × 7 inches (Apex Controls) |
| Frequency | 50/60 Hz (typical for such drives) |
Applications
This VFD is ideally used for:
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Fan / blower speed control in large HVAC systems (e.g., rooftop units, air handlers).
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Compressor motor control applications where speed modulation helps reduce power peaks.
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Systems requiring OEM-compliant motor control for Carrier or compatible equipment.
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Situations where retrofit of older fixed-speed drives is needed to improve efficiency or reduce noise.
Installation & Best Practices
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Verify correct voltage and phase before installation; mismatched supply can damage the drive.
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Ensure proper cooling / ventilation around the unit – VFDs generate heat.
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Use proper cable gauge and grounding; follow the manufacturer’s wiring diagram.
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Protect from environmental contamination (dust, moisture) for reliable operation.
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Check for firmware or parameter setup (if the drive has adjustable settings) to ensure correct speed, overload limits, etc.
Why Buy From Apex Controls
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OEM quality Carrier part; reliability assured.
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Verified spec details (weight, dimensions, power rating) to help you choose the right drive.
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Prompt shipping and honest stock availability; support if you need technical or fitting advice.
| Weight | 15 lbs |
|---|---|
| Dimensions | 9 × 8 × 7 in |
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