Worldwide Electric WDG20220-4 Variable Frequency Drive
The WDG20220-4 is part of the WorldDrive G2 (WDG2) series, a general-purpose NEMA 1 variable frequency drive engineered for precise motor control in HVAC and industrial refrigeration applications. This high-capacity drive delivers reliable performance with integrated speed potentiometer, remote keypad compatibility, and optional communication cards.
Technical Specifications
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Input Voltage: 460V AC, Three Phase (-15%, +10%)
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Output: 460V AC, Three Phase
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Rated Power: 30 HP (Constant Torque / Heavy Duty - 150% Overload), 40 HP (Variable Torque / Normal Duty - 120% Overload)
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Output Current: 45A (Heavy Duty), 61A (Normal Duty)
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Enclosure Rating: NEMA 1 / IP20 (Indoor, General Purpose)
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Control Method: V/f Control, Sensorless Vector Control
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Output Frequency: 0-400 Hz (Sensorless: 0-300 Hz)
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Carrier Frequency: 1-15 kHz
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Dimensions (H x W x D): 13.6" x 8.7" x 7.4"
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Approximate Weight: 17.6 lbs
Key Features
- 150% overload capacity for 60 seconds (Heavy Duty mode)
- V/f Slip Compensation control and Sensorless Vector Control
- Built-in Modbus-RTU and PID loop control
- Dynamic braking with optional external resistors
- Ground fault protection and manual/automatic torque boost
- Conformal coated printed circuit boards for durability
- High-capacity design for demanding industrial applications
Applications
Designed for contractors and system integrators working with commercial HVAC systems, refrigeration equipment, pumps, fans, and industrial process control. Ideal for large-scale installations requiring energy-efficient motor control from 0.5 to 30 HP.
Certifications & Compliance
UL listed, cUL listed, CE certified. Professional installation required. Complies with industrial control equipment standards.