Regulating high-torque heavy industrial loads with precision speed control, the Delta Electronics VFD150B43B is a high-performance 15 kW (20 HP) adjustable frequency AC motor drive from the rugged VFD-B Series. Engineered for general-purpose applications, this open-loop and closed-loop vector-capable drive delivers 32 A of rated output current from a three-phase 460V input utility. Designed with excellent heat dissipation and a dynamic cooling fan system, the unit handles aggressive acceleration and deceleration cycles, ensuring reliable torque delivery across automated industrial systems.
| Parameter | Specification Values |
|---|---|
| Manufacturer | Delta Electronics |
| Model Number | VFD150B43B |
| Series Name | VFD-B Series |
| Applicable Motor Output | 15 kW (20 HP) |
| Voltage Class | 460V Class (Three-Phase) |
| Rated Input Voltage Range | 3-phase 380 to 480 VAC |
| Input Voltage Tolerance | +/- 10% (342 to 528 VAC) |
| Rated Input Current | 25 A |
| Rated Output Current | 32 A |
| Rated Output Capacity | 24.4 kVA |
| Output Frequency Range | 0.1 to 400 Hz |
| Carrier Frequency | 1 to 15 kHz |
| Cooling Method | Forced Air Cooling (Fan Cooled) |
| Net Weight | 13.0 kg (28.66 lbs) |
| Shipping Weight | 14.0 kg (30.86 lbs) |
| Country of Origin | Taiwan / China |
| Terminal Designation | Functional Description |
|---|---|
| R/L1, S/L2, T/L3 | Main AC Power Input Terminals (Three-Phase 380 to 480 VAC) |
| U/T1, V/T2, W/T3 | Variable Frequency AC Output Terminals to Three-Phase Induction Motor |
| +1, +2 | DC Reactor Connection Terminals (Remove factory-installed jumper before installation) |
| +2, B1 | External DC Braking Unit Connection Terminals |
| B1, B2 | External Dynamic Braking Resistor Terminals (Optional) |
| Ground (E) | System Safety Ground Connection to Earth PE Bus |
The VFD-B series constitutes an established, highly stable hardware generation. For legacy system retrofits, the VFD150B43B direct replacement ensures drop-in physical alignment and exact control IO parity. Modern replacements in Delta’s lineup, such as the C2000 or MS300 series, offer advanced networking, but direct field physical parameters (cabinet spacing and terminal blocks) and macro logic profiles require functional cross-mapping. Ensure any modern migration plan accounts for mounting footprint adaptations and digital/analog parameter translations.
Continuous high-load operation in ambient environments exceeding 40 degrees Celsius requires active power derating or external cooling assist. Setting carrier frequencies above 8 kHz reduces acoustic audible humming but significantly elevates internal IGBT junction temperatures. For every 1 kHz increase beyond 8 kHz, derate the continuous drive current by 5%. Furthermore, when driving cable runs longer than 50 meters, capacitive charging currents can cause nuisance overcurrent trips (oC); always insert an AC line reactor at the drive output in long-run installations.
To eliminate electromagnetic interference (EMI) issues in analog frequency feedback circuits, route control signal wires (0-10V or 4-20mA) through dedicated, shielded twisted-pair cables physically separated from the main 460V power lines by at least 30 cm. If cross-overs are inevitable, cross only at 90-degree angles. During commissioning, parameter 00-02 allows complete initialization back to 50 Hz or 60 Hz factory configurations, which serves as the safest starting baseline prior to auto-tuning your induction motor parameters.
CRITICAL WARNING: HIGH VOLTAGE RISK
Ensure all primary input lines are fully de-energized and locked out before attempting installation, mounting, or power wire termination. Internal DC bus capacitors hold lethal charge voltages. Wait at least 10 minutes after shutting off incoming power to allow complete capacitor bleed-down below 36 VDC. Verify zero voltage state with a calibrated digital multimeter before contacting terminals.
Mount the drive in a vertical orientation inside a dust-free NEMA/IP enclosure, ensuring a clearance of at least 150 mm (6 inches) above and below the cooling intake/exhaust vents.
Establish a solid low-impedance connection from the drive physical safety ground terminal (E) back to the central panel earth ground busbar.
Connect incoming balanced three-phase AC mains line power to R/L1, S/L2, and T/L3. Never cross-connect input power lines to motor output terminals.
Terminate shielded motor cables directly to output terminals U/T1, V/T2, and W/T3, bonding the shield to the mounting metal backplate with an approved metal cable clamp.
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Returns & Warranty
Manufacturer: Delta Electronics
Product No.: VFD150B43B
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 13000g
Shipping port: Xiamen
Warranty: 12 months
Regulating high-torque heavy industrial loads with precision speed control, the Delta Electronics VFD150B43B is a high-performance 15 kW (20 HP) adjustable frequency AC motor drive from the rugged VFD-B Series. Engineered for general-purpose applications, this open-loop and closed-loop vector-capable drive delivers 32 A of rated output current from a three-phase 460V input utility. Designed with excellent heat dissipation and a dynamic cooling fan system, the unit handles aggressive acceleration and deceleration cycles, ensuring reliable torque delivery across automated industrial systems.
| Parameter | Specification Values |
|---|---|
| Manufacturer | Delta Electronics |
| Model Number | VFD150B43B |
| Series Name | VFD-B Series |
| Applicable Motor Output | 15 kW (20 HP) |
| Voltage Class | 460V Class (Three-Phase) |
| Rated Input Voltage Range | 3-phase 380 to 480 VAC |
| Input Voltage Tolerance | +/- 10% (342 to 528 VAC) |
| Rated Input Current | 25 A |
| Rated Output Current | 32 A |
| Rated Output Capacity | 24.4 kVA |
| Output Frequency Range | 0.1 to 400 Hz |
| Carrier Frequency | 1 to 15 kHz |
| Cooling Method | Forced Air Cooling (Fan Cooled) |
| Net Weight | 13.0 kg (28.66 lbs) |
| Shipping Weight | 14.0 kg (30.86 lbs) |
| Country of Origin | Taiwan / China |
| Terminal Designation | Functional Description |
|---|---|
| R/L1, S/L2, T/L3 | Main AC Power Input Terminals (Three-Phase 380 to 480 VAC) |
| U/T1, V/T2, W/T3 | Variable Frequency AC Output Terminals to Three-Phase Induction Motor |
| +1, +2 | DC Reactor Connection Terminals (Remove factory-installed jumper before installation) |
| +2, B1 | External DC Braking Unit Connection Terminals |
| B1, B2 | External Dynamic Braking Resistor Terminals (Optional) |
| Ground (E) | System Safety Ground Connection to Earth PE Bus |
The VFD-B series constitutes an established, highly stable hardware generation. For legacy system retrofits, the VFD150B43B direct replacement ensures drop-in physical alignment and exact control IO parity. Modern replacements in Delta’s lineup, such as the C2000 or MS300 series, offer advanced networking, but direct field physical parameters (cabinet spacing and terminal blocks) and macro logic profiles require functional cross-mapping. Ensure any modern migration plan accounts for mounting footprint adaptations and digital/analog parameter translations.
Continuous high-load operation in ambient environments exceeding 40 degrees Celsius requires active power derating or external cooling assist. Setting carrier frequencies above 8 kHz reduces acoustic audible humming but significantly elevates internal IGBT junction temperatures. For every 1 kHz increase beyond 8 kHz, derate the continuous drive current by 5%. Furthermore, when driving cable runs longer than 50 meters, capacitive charging currents can cause nuisance overcurrent trips (oC); always insert an AC line reactor at the drive output in long-run installations.
To eliminate electromagnetic interference (EMI) issues in analog frequency feedback circuits, route control signal wires (0-10V or 4-20mA) through dedicated, shielded twisted-pair cables physically separated from the main 460V power lines by at least 30 cm. If cross-overs are inevitable, cross only at 90-degree angles. During commissioning, parameter 00-02 allows complete initialization back to 50 Hz or 60 Hz factory configurations, which serves as the safest starting baseline prior to auto-tuning your induction motor parameters.
CRITICAL WARNING: HIGH VOLTAGE RISK
Ensure all primary input lines are fully de-energized and locked out before attempting installation, mounting, or power wire termination. Internal DC bus capacitors hold lethal charge voltages. Wait at least 10 minutes after shutting off incoming power to allow complete capacitor bleed-down below 36 VDC. Verify zero voltage state with a calibrated digital multimeter before contacting terminals.
Mount the drive in a vertical orientation inside a dust-free NEMA/IP enclosure, ensuring a clearance of at least 150 mm (6 inches) above and below the cooling intake/exhaust vents.
Establish a solid low-impedance connection from the drive physical safety ground terminal (E) back to the central panel earth ground busbar.
Connect incoming balanced three-phase AC mains line power to R/L1, S/L2, and T/L3. Never cross-connect input power lines to motor output terminals.
Terminate shielded motor cables directly to output terminals U/T1, V/T2, and W/T3, bonding the shield to the mounting metal backplate with an approved metal cable clamp.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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