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Delta VFD037E43A VFD-E Series Variable Frequency Drive (ECER Standard | English Only)
VFD037E43A变频器
整机实拍
端子侧实拍
1. Product Overview
VFD037E43A is a compact constant-torque sensorless vector inverter under Delta VFD-E product lineup, rated 5HP / 3.7kW with three-phase 380~480V AC input, matched with rated output current 8.5A for standard three-phase asynchronous AC motor speed regulation. It integrates built-in simple PLC logic operation, onboard Modbus RS485 communication and internal EMC filter, supporting dual control modes of V/F control and sensorless vector control for diversified small automated equipment speed control solutions. The whole unit adopts modular detachable structure for convenient on-site expansion and routine maintenance, complying with EU industrial ECER safety & EMC specifications.
2. Core Advantages & Key Features
Dual Control Algorithm: Optional open-loop sensorless vector or traditional V/F control, stable low-speed high-torque output for constant torque loads.
Built-in PLC Function: Embedded ladder logic programming without external PLC module to realize simple sequential automation control and reduce system cost.
Standard Onboard RS485 Modbus RTU: RJ45 communication port for direct connection with PLC, HMI and upper industrial control system; optional expansion cards for PROFIBUS / CANopen / DeviceNet fieldbus connection.
Integrated EMC Filter: Factory pre-installed internal EMI filter on 460V 3-phase model to suppress electromagnetic interference and satisfy EN61800-3 EMC requirement.
DC Bus Parallel Sharing: Multiple inverters can share common DC bus to recycle motor regenerative braking energy and avoid overvoltage shutdown during frequent deceleration.
Full-range Protection Mechanism: Overload, overvoltage, overcurrent, short-circuit, input phase loss, motor overheat protection via PTC detection, with fault record & auto-reset function.
Space-saving Compact Layout: Supports standard 35mm DIN rail mounting with optional adapter; detachable cooling fan and operation panel for easy field repair and replacement.
RFI Disconnect Switch: Special switch design to remove Y-capacitance leakage current for non-ground IT power supply grid application scenarios.
3. Detailed Technical Parameters
表格
Specification Item
Parameter Data
Brand
Delta Electronics
Model
VFD037E43A
Series
VFD-E Compact AC Drive
Rated Applicable Motor
3.7kW / 5HP, 3-Phase AC Induction Motor
Input Spec
3PH AC 380~480V, 50/60Hz; allowable voltage fluctuation ±10% (342~528V), frequency ±5% (47~63Hz); rated input current:11.2A
Output Spec
Rated output current:8.5A; rated capacity:6.8kVA; output frequency range:0.1~600Hz; carrier frequency adjustable 1~15kHz
Overload Capacity
150% rated current for 60s for heavy-duty startup load
Enclosure Grade
IP20, indoor cabinet installation only
Dimension(W×H×D)
100mm × 174mm × 152mm
Net Weight
1.9kg
Operation Ambient
0℃~+50℃, RH 5%~95% non-condensing, dust-free non-corrosive gas environment
Mounting
Wall mounting / optional DIN rail installation
4. Application Industry & Warehouse Management
Main Application Fields
Packaging Machinery: Conveyor belt, filling & sealing equipment speed control
Water Treatment Equipment: Water pump, dosing pump and blower variable frequency regulation
Woodworking & General Machining: Drilling machine, grinding machine, small lathe spindle control
Logistics Automation: Light-duty sorting conveyor, small lifting mechanism
HVAC & Environmental Equipment: Fan and water circulation pump energy-saving control
Storage Specification
Original Delta export carton with inner shockproof foam; stored in constant-temperature dry warehouse on anti-moisture plastic pallet away from humidity and corrosive chemical gas. All units pass factory full-function power-on testing before shipment, available for spot stock and bulk order supply.
5. ECER Compliance Statement
VFD037E43A complies with EU ECER machinery safety regulation and EN61800-3 EMC standard; complete CE certification documents available for European customs clearance and whole-machine equipment certification registration.
