Overview
The Delta C2000 Series Drive VFD185C43A-21 18.5kW 25HP 480V AC 50/60Hz Built-in braking chopper IP20 Cabinet wall-mounted installation. Width 250mm × Height 400mm × Depth 210mm; Total machine weight 9.8kg. PCB three-proof conformal coating. Equipped with detachable LCD graphical operation panel. Dual fans for forced air cooling. RS485 Modbus, built-in CANopen bus interface.
Specification
| Item | Specification |
|---|---|
| Model | VFD185C43A-21 |
| Series | Delta C2000+ High-performance Vector Drive |
| Suffix Definition | -21: Standard international version, without built-in RFI filter |
| Rated Motor Power | 18.5kW / 25HP |
| Applicable Motor | 3-phase induction motor, IPM/SPM permanent magnet motor, synchronous reluctance motor |
| Input Power Supply | 3-phase 380~480V AC, 50/60Hz |
| Input Voltage Tolerance | 323~528V (-15% ~ +10%) |
| Input Frequency Range | 47~63Hz |
| HD (Heavy Duty) Rated Output Current | 38A |
| ND (Normal Duty) Rated Output Current | 32A |
| Output Frequency Range | 0~599Hz |
| Carrier Frequency | 2~15kHz adjustable |
| Built-in Brake Chopper | Standard equipped (external brake resistor required) |
| Built-in EMC Filter | Not included (external optional) |
| Built-in DC Reactor | Not included (external optional) |
| Protection Class | IP20 (cabinet wall-mounted) |
| PCB Coating | 3C3 conformal coating, dust & moisture resistant |
| Operator Panel | Detachable LCD graphic keypad, remote extension cable supported |
| Cooling Method | Dual forced cooling fans with service life warning |
| Built-in PLC Capacity | 10,000 steps logic program |
| Overall Dimension | W250 × H400 × D210 mm |
| Net Weight | 9.8kg |
| Control Modes | 1. Multi-segment V/F control
2. Sensorless SVC open-loop vector control 3. PG-feedback FOC closed-loop vector control 4. PG-feedback TQC torque closed-loop control |
| Low-speed Torque | 150% rated torque at 0.5Hz (sensorless)
150% rated torque at 0Hz (PG closed-loop) |
| HD Overload Capacity | 150% rated current for 60s; 180% peak current for 3s |
| ND Overload Capacity | 120% rated current for 60s; 150% peak current for 3s |
| Digital Input | 6 multi-function DI terminals |
| Relay Output | 2 relay output terminals |
| Analog I/O | 1 AI / 1 AO |
| Standard Communication | RS485 Modbus, CANopen |
| Optional Communication Cards | Profibus-DP, DeviceNet, Modbus TCP, EtherNet/IP, EtherCAT |
| Synchronous Functions | Master-slave sync, multi-drive torque follow, positioning control |
| Operating Ambient Temp | -10℃ ~ +50℃; auto derating above 40℃ |
| Storage & Transport Temp | -20℃ ~ +70℃ |
| Drive Efficiency | ≥97.8% |
| Power Factor | ＞0.98 |
| Safety & Protection Functions | Overcurrent, overvoltage, undervoltage, output overload, IGBT overheat, motor overheat, output short circuit, ground fault, input phase loss, stall prevention, momentary power loss restart, parameter password lock, capacitor & fan life warning, STO safe torque off |
| Certifications | CE, UL, cUL |
| Typical Applications | CNC machine tools, metal processing machinery, plastic extruders, auxiliary crane drives, textile machinery, packaging lines, mine conveyors, mixing reactors, large fans & pumps |
FAQ
1.What kind of cooling structure is used for the VFD185C43A-21 inverter?
The The cooling system adopts a dual-axis flow fan for forced air cooling combined with an integrated aluminum profile heat sink. The cooling air duct is physically isolated from the main control electronic components.
2.What motor and circuit fault protection functions does the VFD185C43A-21 inverter have?
Supported. The
- Overcurrent protection
- Overvoltage protection
- Undervoltage protection
- Output overload protection… etc. 14 protection functions
3.What are the overall dimensions of the VFD185C43A-21?
The
- Unit: Millimeters (Width × Height × Depth) 250mm × 400mm × 210mm
- Inch conversion reference: 9.84in × 75in × 8.27in
- Net weight of the entire machine: 9.8kg
- Model frame: C frame
4.What is the lowest possible efficiency of the entire VFD185C43A-21 inverter system?
The The frame belongs to the C-frame type. The official specification indicates that the full-load overall machine efficiency is ≥ 97.8%. This figure represents the lowest guaranteed efficiency for this model under standard operating conditions.
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