Variable-Frequency Drive (VFD)

Assembly

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Digital inverter controller accepting 240V AC input, delivering variable 0–240V 3-phase output enabling smooth RPM adjustment and energy optimization.

Direct parts	7
Total parts	9
Used in	1 assembly
Class	Assembly

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Digital inverter controller accepting 240V AC input, delivering variable 0–240V 3-phase output enabling smooth RPM adjustment and energy optimization. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Variable-Frequency Drive (VFD) parts and their functions

7 top-level parts · 9 parts in total · full bill of materials below

Variable-Frequency Drive (VFD) parts diagram: 1 IGBT power inverter module, 2 VFD control PCB, 3 IGBT power module, 4 DC bus capacitor, 5 microcontroller, 6 motor current sensor, 7 connector. 9 parts in 7 top-level items. — Variable-Frequency Drive (VFD) parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	IGBT Power Inverter Module	1×	IGBT-based power stage with capacitor bank and heatsink
2	VFD Control PCB	1×	Microcontroller board managing ramp timing and fault detection
3	IGBT Power Module	2×	Insulated gate bipolar transistors switching motor phase currents
4	DC Bus Capacitor	1×	High-voltage DC bus capacitor (400V, 100+ µF)
5	Microcontroller	1×	ARM or PIC microcontroller managing speed setpoint and modulation
6	Motor Current Sensor	1×	Hall-effect or shunt resistor measuring motor current for load regulation
7	Connector	2×	Waterproof M12 or DT connectors for power and sensor signals

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Bill of materials for Variable-Frequency Drive (VFD)

7 top-level lines · 7 rows shown · 9 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	IGBT Power Inverter Module	pool-pump-vfd-module	1×	1	·	part
2	VFD Control PCB	pool-pump-control-pcb	1×	1	·	part
3	IGBT Power Module	igbt-module	2×	2	·	part
4	DC Bus Capacitor	pool-pump-boost-capacitor	1×	1	·	part
5	Microcontroller	mcu	1×	1	·	part
6	Motor Current Sensor	pool-pump-current-sensor	1×	1	·	part
7	Connector	connector	2×	2	·	part

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Where the variable-frequency drive (VFD) is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Plumbing & Sanitary 1 Variable-Speed Pool Pump

Used in 1 assembly

Variable-Speed Pool Pump

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks