Delta VFD037C43A-21 C2000 Series Drive 3.7kW 460VAC IP20

Overview

The Delta C2000 Plus VFD037C43A-21 Heavy-duty Model with 3.7kW (5HP) Three-phase 380/460VAC Output Specification Three-phase 0~460VAC A Box IP20 Complete Machine Weight: 2.6kg Dimensions (Width × Height × Depth): 130mm × 250mm × 170mm 6 channels DI 2 relay outputs, 1 pulse collector output Multiple speed operation PID constant pressure / constant current closed-loop regulation PCB board Anti-corrosion coating, dust-proof, moisture-proof, and corrosion-resistant

Specification

Item	Specification
Series	C2000 Plus High Performance Vector VFD
Model	VFD037C43A-21
Rated Motor Power	3.7kW (5HP)
Input Power	3-phase 380/460VAC, 50/60Hz; Voltage range: 323~528V
Output Power	3-phase 0~460VAC
HD Rated Output Current	9A (150% overload 60s, 180% overload 3s)
SHD Rated Output Current	6A (150% overload 60s, 200% overload 3s)
Frame Size	A frame
Protection Class	IP20
Built-in Brake Unit	Yes, external brake resistor required
Built-in EMC Filter	No
Built-in DC Reactor	No
Cooling	Forced air cooling, detachable fan
Net Weight	2.6kg
Dimension(W×H×D)	130mm × 250mm × 170mm
Control Mode	V/F, Sensorless Vector SVC, Closed-loop FOC (with PG card), PMSM dedicated control
Low-speed Torque	150% rated torque at 0.5Hz (SVC); 150% full torque at 0Hz (Closed-loop FOC)
Output Frequency Range	0~599Hz
Carrier Frequency	2~15kHz adjustable
Acc/Dec Time	0.01~6000s independent setting, S-curve support
Digital Input	6 DI (NPN/PNP switchable)
Digital Output	2 relay outputs, 1 pulse output
Analog Input	2 AI (0~10V / 4~20mA)
Analog Output	2 AO
Built-in PLC Capacity	10000 steps, programming via WPLSoft & ISPSoft
Standard Communication	RS485, Modbus RTU
Built-in Functions	Multi-speed, simple positioning, wobble frequency, PID constant pressure/current control, component life monitoring, motor thermal protection
Optional Communication Cards	CANopen, Profibus-DP, DeviceNet, Modbus TCP, EtherNet/IP, EtherCAT
Optional Card	Incremental PG encoder card for closed-loop vector control
Protection Functions	Overcurrent, overvoltage, undervoltage, overload, overheat, output short circuit, ground fault, input phase loss, motor stall, IGBT protection, cooling fan fault detection
Operating Ambient Temp	-10℃ ~ 50℃ (derating above 40℃)
Storage Temperature	-20℃ ~ 70℃
PCB Coating	Three-proof coating for dust & moisture resistance
Certifications	CE, UL, cUL
Suffix -21 Feature	Revised C2000 Plus version, enhanced heat dissipation, extended capacitor service life, optimized PMSM control algorithm
Typical Application	Machine tools, conveyors, small cranes, packaging machinery, fans & pumps, woodworking equipment

FAQ 

1.What are the input voltage specifications and voltage allowable range for the VFD037C43A-21 inverter?

The

• Input voltage specification: Three-phase 380/460VAC, compatible with 50/60Hz industrial power supply.
• Allowed voltage fluctuation range: 323V ~ 528VAC (corresponding to a voltage margin of -15% to +10% of the rated 380V)

2.What are the model number and protection level of the VFD037C43A-21 chassis frame?

Supported. The

• Case frame: A frame
• Protection level: IP20

3.The VFD037C43A-21 has several digital input/output terminals. What type of polarity switching is supported?

The

• Terminal quantity
• Digital Input DI: 6-channel multi-function digital input terminals
• Digital Output DO: 2-channel relay output terminals + 1 cathode pulse output terminal
• Polarity switching
• Digital input supports two polarity switching methods: NPN (depletion type) / PNP (source type). The signal mode can be changed through the on-board dip switch.

4.What is the total weight and the length, width and depth dimensions of the VFD037C43A-21 machine?

The

• Overall dimensions (width × height × depth) 130mm × 250mm × 170mm
• Total machine net weight: 2.6 kg

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