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Three Phase AC 380V 18.5KW VFD Frequency Inverter For Pump

Basic Information
Place of Origin: China
Brand Name: STABLECU
Certification: CE
Model Number: ST310-4T18.5GB
Minimum Order Quantity: 1PCS
Packaging Details: 1pcs/Polybag,100pcs/big polybag, 300pcs/ctn
Delivery Time: 5-8 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Material: ABS+PC Power: 18.5KW
Voltage: 380V Phase: Three Phase
Protector: Overload Circuit Mode: IGBT
Frequency: 300HZ Warranty: 18 Months
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AC 18.5KW Three Phase Frequency Inverter


Three Phase To Three Phase Frequency Inverter


18.5KW 3 phase 380v inverter

Three Phase AC 380V 18.5KW VFD Frequency Inverter For Pump


Description of frequency inverter

ST310 adopts a DSP control system to realize vector control and effectively suppress low-frequency oscillation. Abundant terminals make the application more flexible. It is mainly used for fans and pump loads. It has higher requirements for speed control accuracy, torque response speed, and low-frequency output.

Specification of frequency inverter

Output current 39A
Input current 44A
Adaptation motor 18.5KW
Braking resistor power 5KW
Mounting dimension 192*199*397MM
Weight 12KG
Packing Size 271*260*424MM


Model ST310-15GB ST310-18.5GB ST310-22GB
Specific Parameters
Applicable Motor (kw) 15 18.5 20
Input Current (A) 35.0 44.0 50.0
Output Current (A) 30.0 39.0 45.0
Breaker (A) 50.0 63.0 63.0
Contactor (A) 10.0 50.0 50.0
Brake Unit Standard Built-in
Braking Resistor Power 2.0KW 5.0KW 5.0KW
Resistance/ Ultimate resistance 40 (≥25)  30(≥16)  30(≥16)
Power Input
Rated Voltage 3 Phase 380V
Rated Voltage 50HZ/60HZ
Allow Frequency Fluctuation ±5%
Allow voltage fluctuation Voltage imbalance<3%, distortion rate meets the requirements of 1EC61800-2
Allow voltage fluctuation The constant voltage fluctuation is ±10%, and the short fluctuation is 115%~+10%, that is, 323V~528V 
Power Output
Output Voltage The 3-Phase:0~rated input voltage, error less than ±3%
Output Frequency 0.00~300.00HZ,each unit 0.01HZ
Overload Capacity 150% 60s, 180% 10s, 200% 0.5s

Details image of frequency inverter

Three Phase AC 380V 18.5KW VFD Frequency Inverter For Pump 0

Three Phase AC 380V 18.5KW VFD Frequency Inverter For Pump 1

Application for frequency inverter

Inverters are widely used in pharmaceutical machinery, packaging machinery, textile machinery, food machinery, auto parts production lines, precision printing, welding, automated production lines, etc.

Three Phase AC 380V 18.5KW VFD Frequency Inverter For Pump 2


1. Who are we?
We are a manufacturer based in Guangdong, China, start from 2009, sell to Domestic Market(100.00%). There are a total of about 201-300 people in our office.

2. How can we guarantee the quality?
Always a pre-production sample before mass production; Always final Inspection before shipment.

3. What can you buy from us?
Ultrasonic Generator, PLC/Motion Controller, Servo Motor And Stepper Motor, Frequency Converter, Automation System Development And Complete Set Of Electric Box.

4. Do you offer customization services?
Yes, we can customize the products according to your requirements. Please send us an inquiry, your inquiry will be replied within 12 hours.

5. What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, DDP, DDU, Express Delivery;
Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, CNY;
Accepted Payment Type: T/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash;
Language Spoken: English, Chinese.


Contact Details

Phone Number : +8617324599466

WhatsApp : +8617324524566