Name: MEAN WELL VFD series: variable frequency drive module - VFD-750C-230
Brand: MEAN WELL
SKU: VFD-750C-230
Price: 195.17 USD
Availability: InStock

MEAN WELL VFD series: variable frequency drive module - VFD-750C-230

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Description

MEAN WELL VFD-750C-230 Variable Frequency Drive Module

The MEAN WELL VFD-750C-230 is a 750 W, metal-case variable frequency drive power module for three-phase motor systems. It accepts single-phase 90-264 VAC, 47-63 Hz and provides 0-268 V line-to-line PWM-controlled output, with 3 A rated current subject to the voltage/current envelope below. An external motor controller is required to generate the switching signals and implement the motor-control and supervisory functions. The VFD-CB motor control board is available separately.

Download MEAN WELL VFD Datasheet (PDF)

Model-specific information is on PDF pages 19-27. Use the specification, V/I curve and installation drawings together when selecting the motor and cooling arrangement.

Product selection and model code

Parameter	Details
Full model	VFD-750C-230
Model code	VFD identifies the variable frequency drive module family; 750 is the wattage designation; C denotes a metal case; 230 is the nominal output-voltage code.
System role	Integrated three-phase power stage, gate drivers, phase-current sensing, DC-bus voltage sensing and temperature sensing. Motor control is supplied by an external controller.
Motor applications	Three-phase 200-240 V class motors, including BLDC, induction motors and synchronous reluctance motors (SynRM), with suitable external control. Applications include fans, water/air pumps, HVAC, conveyors, automatic doors, power tools and fitness equipment.
Motor selection	A three-phase 220 V motor is recommended. When using a 100-120 V class motor, check motor current against the module limits.

Output ratings and peak conditions

Parameter	Details
Rated output power	750 W; available output also depends on line-to-line voltage, input voltage and cooling.
PWM output voltage	0-268 V line-to-line, adjusted by PWM modulation; 380 V maximum switching level; intended for three-phase 200-240 V class motors.
Rated / peak current	3 A rated; 6 A peak for up to 5 seconds (200% of rated current). These maxima apply only within the V/I and derating envelope.
V/I envelope	The V/I curve shows 3 A continuous and 6 A peak up to 150 V line-to-line. Above this point, allowable current falls with output voltage; at 268 V, the plotted limits are 1.62 A continuous and 3.24 A peak. Do not combine the maximum voltage with the maximum low-voltage current.
Peak duty	The model-specific peak-current profile in the manufacturer datasheet shows 200% for 5 seconds followed by 80% for 55 seconds. It is a published duty example, not permission to ignore the V/I, input and temperature limits. The peak value is not a continuous rating.
PWM frequency	2.5-15 kHz switching frequency; this is not a specified motor-speed command range.
Efficiency	93% catalog value, tested with an inductive load at rated current and full power. Unless otherwise stated, specification measurements use 230 VAC input, rated load and 25°C ambient; efficiency varies with input and load.

Input and DC bus

Parameter	Details
Input	single-phase 90-264 VAC, 47-63 Hz; full-range input with built-in active PFC.
Input current	8 A at 115 VAC; 4 A at 230 VAC
DC-bus voltage	380 ±5 VDC.
Power factor, typical	Greater than 0.99 at 115 VAC and greater than 0.93 at 230 VAC, at full load.
Cold-start inrush	50 A at 230 VAC.
Leakage current	Less than 2 mA at 240 VAC.
Input-voltage derating	At 60 Hz, the main input curve rises from 60% load at 90 VAC to 100% at 180 VAC. The curve marked "With 23.5 CFM Fan" rises from 80% at 90 VAC to 100% at 180 VAC. Full load is shown at 180-264 VAC only with the applicable cooling arrangement.

External control, sensing and protection

Parameter	Details
PWM interface	CN93 pins 8-13 are the six PWM logic inputs for the three half bridges. 3.3 V TTL/CMOS: ON above 2.7 V; OFF below 0.4 V. Maintain a minimum 300 ns dead time between the upper and lower switch of each phase. Confirm the high/low-side gate assignment for the exact module and controller before connection.
Current sensing	CN93 pins 4, 5 and 6 provide U, V and W low-side shunt signals; each shunt is 100 mΩ. Use a short external sensing path and suitable amplifier/ADC circuitry for motor-current control.
Bus sensing	CN93 pin 1 provides a HV+ sensor signal of 2.5 V at a 380 V DC bus, referenced to pin 2 (HV-). Bus voltage = sensor voltage x 380 / 2.5.
Auxiliary supply	CN93 pin 14 relative to pin 2 (HV-): non-isolated 15 V, 0.1 A maximum; tolerance ±0.5 V and ripple 1 V peak-to-peak maximum. Design the controller interface for the non-isolated reference.
Fault output	CN93 pin 7 is the inverter short-circuit/overcurrent fault signal: 3.3 V TTL/CMOS, normal high above 3 V and abnormal low below 0.5 V.
Short circuit / overcurrent	Internal protection shuts down the gate driver when output current exceeds 200% of rated current. The specification states output shutdown with re-power-on recovery. The active-low fault output informs the external controller; do not treat it as a substitute for coordinated system protection.
Bus-voltage supervision	The external controller must stop PWM when the DC bus exceeds 420 V. Use the bus-sensor signal for application-level overvoltage/undervoltage supervision; these sensor outputs are not a claim of complete autonomous OVP/UVP control.
Thermal supervision	CN93 pin 3 provides the power-module temperature-sensor output. The function manual recommends stopping PWM when this pin exceeds 3.3 V. This sensor threshold is not an ambient-temperature rating.
Regenerative braking	Provide an external regenerative-braking circuit at the dedicated DC-bus brake connections identified in the exact module mechanical drawing. Verify terminal markings before wiring. Keep the bus at or below 420 V and coordinate braking with PWM shutdown; a brake resistor/device is not specified as included.

Environment, cooling and installation

Parameter	Details
Ambient operating range	-30 to +60°C, subject to the cooling and derating conditions below.
Cooling / thermal derating	Fanless module. With conduction cooling or the specified forced airflow, the horizontal-mounting curve shows 100% load through +40°C, falling to 50% at +60°C. Convection cooling alone is limited to 50% through +40°C and 30% at +50°C; no convection-only rating is shown above +50°C. Apply input-voltage and V/I derating at the same time.
Operating humidity	20-90% RH, non-condensing.
Storage	-40 to +85°C; 10-95% RH, non-condensing.
Vibration	10-500 Hz, 2 G; 10 minutes per cycle, 60 minutes in each X, Y and Z axis.
Dimensions	150 x 100 x 41 mm (L x W x H); mechanical drawing tolerance ±1 mm.
Heat transfer / installation	The installation drawing specifies an additional 450 x 450 x 3 mm aluminum plate or equivalent-size cabinet surface for conduction cooling, or 23.5 CFM forced airflow. Mount the module firmly at the center of a smooth, even thermal surface; thermal grease may be used as described in the drawing. The drawing shows an external fan arrangement 100 mm from the unit.
Mounting features	Four Ø4.2 mounting slots, L=6 mm; hole pattern 143 x 84 mm. Follow the exact mechanical drawing for mounting hardware and clearances.

Connections and separately selected items

Parameter	Details
AC input terminals	TB1: pin 1 AC/L, pin 2 AC/N, pin 3 protective earth (FG). Connect the protective-earth terminal as required for installation.
Motor / bus terminals	TB100 provides the three motor phases and the dedicated DC-bus brake terminals; follow the exact terminal markings and mechanical drawing.
Control connector	CN93: HRS DF11-14DP-2DS or equivalent. Mating housing: HRS DF11-14DS; terminal family: HRS DF11-**SC, or equivalent. The asterisks identify the catalog terminal family, not a single complete ordering code.
Separate control-board option	VFD-CB motor control board, quantity 1 in the catalog accessory list. The motor control board and VFD drive module must be ordered separately. Confirm the application-specific control configuration with MEAN WELL; this module SKU does not include the optional board.
Other integration items	Motor, external controller or VFD-CB, wiring/connectors, cooling hardware and regenerative-braking components must be selected for the application. The catalog also describes a demonstration kit built around VFD-350P-230 and a 230 V motor; that kit is a separate item, not supplied with this module.

Standards and catalog reference

Parameter	Details
Listed safety approvals	The model specification lists CB IEC 61800-5-1, TUV/BS EN/EN 61800-5-1 and EAC TP TC 004 approvals.
EMC classification	BS EN/EN IEC 61800-3: conducted and radiated emissions Class A, category C2; immunity for the second environment. The completed motor-drive system must be assessed with its controller, motor, wiring and installation.
Insulation tests	Input-to-FG withstand voltage: 2 kVAC. Input-to-FG insulation resistance: 100 MΩ at 500 VDC, 25°C and 70% RH.
Mains EMC	The specification also lists BS EN/EN IEC 61000-3-2 Class A harmonic-current and BS EN/EN 61000-3-3 voltage-flicker requirements.
Catalog mass reference	800 g per unit (0.8 kg), taken from the catalog PACKING field. This is the catalog packing reference per unit, not a measured net weight or a shipment-weight guarantee.