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Chint NVF2G Inverter VFD

Rated Power:1.5kW – 400kW
Type:Frequency Inverter
Brand Name:Chint
Place of Origin:China
power phase number:Single Phase,Three Phase
Model Number:NVF2G
Nominal Voltage:220V,380V
Control Mode:open loop vector
Certification:CCC, CE
Customized:NO
Warranty:18 months
Power (kW)
Input Voltage
SKU: 1769740897336958976 Category: Chint Inverter & Soft Starters
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

Chint original NVF2G Inverter VFD 1Phase 3 phase 220V 380V NVF2G-3.7/TS4 NVF2G-7.5/TS4 NVF2G-15/TS4 CHNT Frequency Inverter

   

Chint NVF2G series inverters are high-efficiency open-loop vector inverter researched and developed independently by our company. It has the features of high starting torque (0.5 Hz, 1.5 times of rated torque), strong overload capacity, flexible and convenient operation and forward PID and reverses PID, etc.This series of inverter can be divided into mini type, general type (heavy load) and fan and water pump type (light load), with the functions of strong load adaptability, stable and reliable operation and automatic energy-saving operation, etc. This product can be widely applied to electric drive field and automation control field, such as papermaking, textile, water supply, municipal administration, food, cement, chemical industry, printing and dyeing, metallurgy, mine and plastic machinery. 

Additional information
Power (kW)

0.4kW, 0.75kW, 1.5kW, 2.2kW, 4kW

Input Voltage

1-Phase 220V, 3-Phase 380V

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for Chint NVF2G Inverter VFD.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Voltage & Load Sizing

How to verify rated operational voltage, frequency, and load duty cycle?

A

Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.

Protection & Environment

What ingress protection (IP Rating) and environmental enclosures are recommended?

A

For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.

Selectivity & Grading

How to ensure upstream and downstream coordination in power distribution boards?

A

Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.

Installation & Mounting

What mounting rails, busbars, and spatial clearances are required?

A

Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.

Conductor & Torque Sizing

What conductor sizes and terminal tightening torques should be applied?

A

Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.

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    Where to Use NVF2G Frequency Inverter?

    The Chint NVF2G Inverter VFD is a VFD (Variable Frequency Drive) for 0.4kW - 900kW motors. Provides variable speed control for fans, pumps, conveyors, and machinery.

    Energy Savings with VFD

    In fan and pump applications, reducing speed by 20% saves approximately 50% energy. Power consumption is proportional to the cube of speed.

    SpeedPowerSavings
    100%100%0%
    80%51%49%
    50%13%87%

    Key Benefits

    • Variable Speed Control - 0-400Hz output frequency
    • Energy Efficiency - Significant savings in fan/pump applications
    • Soft Start/Stop - Eliminates mechanical shock
    • Process Control - Precise speed regulation

    FAQs

    Q: Will VFD damage my motor?

    A: Modern VFDs are designed to work safely with standard motors. For cable runs over 50m, an output reactor is recommended.