YVF Variable Frequency Motor

Raydafon Group's YVF Variable Frequency Motor delivers superior energy efficiency and precise control for industrial automation. Ideal for engineers and manufacturers, it reduces operational costs and enhances productivity. Experience unmatched reliability and cutting-edge design that solves complex power challenges—your key to smarter, sustainable solutions.

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Product Description

YVF2 Series – Variable Frequency Drive Motors

Raydafon Group presents the YVF2 series – a premium line of three‑phase asynchronous motors specifically engineered for variable frequency drive (VFD) applications. Designed to deliver stepless speed regulation from 150 to 2750 rpm, these motors combine high efficiency, robust construction, and excellent cooling performance. Available in 9 frame sizes and 2‑, 4‑, and 6‑pole configurations, the YVF2 series is the ideal choice for applications requiring wide speed range, precise control, and reliable operation under varying loads.

Key Features at a Glance

Power Range: 0.12 – 22 kW (standard), with larger options available.
Energy Efficient: Meets GB18613‑2012 efficiency standards, reducing energy consumption.
IP55 Protection & F‑Class Insulation: Suitable for harsh industrial environments.
Aluminium Alloy Housing: Die‑cast, corrosion‑resistant, with enhanced heat dissipation.
Independent Cooling (IC416): Forced ventilation ensures stable operation even at low speeds.
Low Noise & Vibration: Precision dynamic balancing and silent bearings for smooth, quiet running.
Wide Frequency Range: Stable performance from low to high speeds, with high reliability.

VFD‑Optimised DesignSpecifically developed for inverter duty – maintains torque and cooling across the entire speed range.

Robust Aluminium ConstructionDie‑cast alloy body and junction box provide excellent sealing, corrosion resistance, and lightweight durability.

Enhanced CoolingOptimised heat sink fins plus independent forced ventilation (IC416) prevent overheating at low speeds.

Quiet OperationPrecision‑balanced rotor and low‑noise bearings reduce vibration and acoustic noise for improved workplace comfort.

High ReliabilityDesigned for continuous duty (S1) with ability to handle frequent starts, stops, and speed changes.

Versatile MountingAvailable in B3 (foot), B5 (flange), B35 (foot+flange), and other configurations to suit any installation.

Superior Performance & Reliability

The YVF2 series is built to meet the most demanding variable speed applications. Key design highlights include:

Wide Speed Range: 150 – 2750 rpm stepless regulation, enabling precise process control.
Independent Cooling (IC416): A separate forced ventilation fan ensures constant cooling regardless of motor speed, preventing thermal overload.
High Starting Torque: Optimised rotor design provides high starting torque even at low frequencies.
Low Vibration: Dynamic rotor balancing (grade R) ensures minimal mechanical vibration, extending bearing life.
Energy Savings: Meeting GB18613‑2012 efficiency levels, these motors significantly reduce energy costs over their lifetime.

Standard Model Range – YVF2 Series

Available in 2‑pole, 4‑pole, and 6‑pole versions. The table below lists key models and power ratings.

Type	Power		Type	Power		Poles
Type	kW	HP	Type	kW	HP	Poles
YVF2-6312	0.18	1/4	YVF2-100L2	3	4	2P
YVF2-6322	0.25	1/3	YVF2-112M2	4	5.5
YVF2-7112	0.37	1/2	YVF2-132S1-2	5.5	7.5
YVF2-7122	0.55	3/4	YVF2-132S2-2	7.5	10
YVF2-8012	0.75	1	YVF2-160M1-2	11	15
YVF2-8022	1.1	1.5	YVF2-160M2-2	15	20
YVF2-90S2	1.5	2	YVF2-160L2	18.5	25
YVF2-90L2	2.2	3	YVF2-180M2	22	30

YVF2-6314	0.12	1/6	YVF2-100L1-4	2.2	3	4P
YVF2-6324	0.18	1/4	YVF2-100L2-4	3	4
YVF2-7114	0.25	1/3	YVF2-112M4	4	5.5
YVF2-7124	0.37	1/2	YVF2-132S4	5.5	7.5
YVF2-8014	0.55	3/4	YVF2-132M4	7.5	10
YVF2-8024	0.75	1	YVF2-160M4	11	15
YVF2-90S4	1.1	1.5	YVF2-160L4	15	20
YVF2-90L4	1.5	2	YVF2-180M4	18.5	25
			YVF2-180L4	22	30

YVF2-7116	0.18	1/4	YVF2-100L6	1.5	2	6P
YVF2-7126	0.25	1/3	YVF2-112M6	2.2	3
YVF2-8016	0.37	1/2	YVF2-132S6	3	4
YVF2-8026	0.55	3/4	YVF2-132M1-6	4	5.5
YVF2-90S6	0.75	1	YVF2-132M2-6	5.5	7.5
YVF2-90L6	1.1	1.5	YVF2-160M6	7.5	10
			YVF2-160L6	11	15
			YVF2-180L6	15	20

* Standard voltage 380V / 50Hz. Custom voltages and frequencies available.

Common Technical Specifications

Parameter	Value
Frame Size	63 – 180 (up to 355 available on request)
Power Range (standard)	0.12 – 22 kW
Rated Voltage	380V (other voltages available)
Rated Frequency	50Hz (60Hz available)
Speed Range	150 – 2750 rpm (stepless)
Protection Grade	IP55 (IP54 optional)
Insulation Class	F (B‑rise assessment)
Cooling Method	IC416 (forced ventilation)
Duty Cycle	S1 (continuous)
Ambient Temperature	-15°C to +40°C
Altitude	≤1000 m
Mounting	B3, B5, B35 (others on request)

Installation Dimensions (B3 / B5 / B35)

YVF2 motors follow standard IEC frame dimensions for easy interchangeability. Key dimensional data for B3 foot‑mounted and B5 flange‑mounted versions are provided below.

B3 – Foot Mounting (A, B, C, D, E, F, G, H, K, AB, AC, HD, L)
Frame	A	B	C	D	E	F	G	H	K	AB	AC	HD	L
63	100	80	40	ø11	23	4	12.5	63	ø7	135	120×120	167	270
71	112	90	45	ø14	30	5	16	71	ø7	137	130×130	178	315
80	125	100	50	ø19	40	6	21.5	80	ø10	155	145×145	190	340
90S	140	100	56	ø24	50	8	27	90	ø10	175	160×160	205	400
90L	140	125	56	ø24	50	8	27	90	ø10	175	160×160	205	400
100L	160	140	63	ø28	60	8	31	100	ø12	200	185×185	240	430
112M	190	140	70	ø28	60	8	31	112	ø12	230	200×200	270	480
132S	216	140	89	ø38	80	10	41	132	ø12	270	245×245	315	567
132M	216	178	89	ø38	80	10	41	132	ø12	270	245×245	315	567
160M	254	210	108	ø42	110	12	45	160	ø14.5	320	335×335	450	850
160L	254	254	108	ø42	110	12	45	160	ø14.5	320	335×335	450	870
180M	279	241	121	ø48	110	14	51.5	180	ø14.5	355	370×370	500	880
180L	279	279	121	ø48	110	14	51.5	180	ø14.5	355	370×370	500	980

Full dimensional drawings for B5 (flange) and B35 (foot+flange) configurations are available upon request. Images below illustrate typical mounting variants.

Typical Applications

Conveyor Systems: Belt, roller, and screw conveyors requiring variable speed for material flow control.
Pumps & Fans: Centrifugal pumps, blowers, and exhaust fans for energy‑efficient flow regulation.
Machine Tools: Lathes, milling machines, and grinding spindles for precise speed control.
Textile Machinery: Spinning, weaving, and dyeing equipment.
Packaging & Printing: Filling, sealing, labelling, and printing presses.
HVAC & Compressors: Air handling units and refrigeration compressors.
Metallurgy & Chemical: Agitators, mixers, and extruders.

Why Choose Raydafon YVF2 Motors?

ISO 9001:2015 Certified – Rigorous quality control throughout production.
In‑house Engineering – Full control over motor design, winding, and assembly.
Customisation – Special voltages, frequencies, shaft sizes, and mounting arrangements.
Competitive Pricing – Factory‑direct supply for OEM and bulk buyers.
Fast Delivery – Standard models in stock; custom orders typically 20‑30 working days.
Global Support – Exported to over 50 countries with spare parts and technical assistance.

Quality Assurance & Testing

Every YVF2 motor undergoes 100% testing including insulation resistance, winding continuity, vibration analysis, noise measurement, and full‑load performance verification. We provide test reports and material certificates. Third‑party inspection is available upon request.

ISO 9001:2015 GB18613‑2012 100% Load Test Vibration & Noise Check Full Traceability

Custom & OEM Solutions

Raydafon offers tailor‑made VFD motors to match your specific application. Customisations include:

Non‑standard voltages (220V, 400V, 460V, etc.)
60Hz or dual‑frequency
Extended speed ranges
Higher IP ratings (IP56, IP65)
Special shaft extensions / keyways
Custom paint and nameplates
Encoder feedback options

Request a free sample or custom quote – our engineers respond within 24 hours with competitive factory pricing.

Frequently Asked Questions

Q: What is the difference between YVF2 and standard motors for VFD use?

A: YVF2 motors feature independent forced ventilation (IC416) to maintain cooling at low speeds, enhanced insulation for voltage spikes, and dynamic balancing for smooth operation across the entire speed range.

Q: What is the speed range of YVF2 motors?

A: They offer stepless speed regulation from 150 to 2750 rpm (4‑pole base speed), with custom ranges available.

Q: Can I use YVF2 motors with any VFD brand?

A: Yes, they are compatible with most standard VFDs from leading brands (Siemens, ABB, Danfoss, Mitsubishi, etc.).

Q: Do you offer motors with encoder feedback?

A: Yes, we can integrate incremental or absolute encoders for closed‑loop speed and position control.

Q: What is the warranty period?

A: We offer an 18‑month warranty from shipment date, covering manufacturing defects, with full technical support.

Partner with Raydafon – Your VFD Motor Specialist

Get reliable YVF2 variable frequency motors tailored to your application. Request a quote, sample, or engineering consultation today. Our team responds within 24 hours.

Send Inquiry Call +86-574-87167707

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Luotuo Industrial Area, Zhenhai District, Ningbo City, China
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We are happy to provide a quote for any of our products. Give us a call at 86-574-87167707 or fill out the form below and one of our engineers will be in touch shortly. Please include a product description and any customizations you need.