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3G3RX2 General Purpose VFD Inverter 0.4kW-165kW Single Phase VFD 220v

Name: 3G3RX2 General Purpose VFD Inverter 0.4kW-165kW Single Phase VFD 220v
Brand: Shanghai Fradwell Industrial Automation Co., Ltd.
SKU: 3G3RX2
Price: 9,175.00 USD
Availability: InStock

Product Details

Place of Origin: Japan

Model Number: 3G3RX2

Payment & Shipping Terms

Minimum Order Quantity: 1

Price: $350- $18000

Delivery Time: 3-5workday

Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram

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Product Details

Product Description

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                                                                                                                                                                                    3G3RX2 General Purpose VFD Inverter, General Purpose VFD Inverter 0.4kW, 165kW Single Phase VFD 220v
                      

Type:	Frequency Converter Inverter	IP Level:	IP20
Rated Power:	0.4kW～165kW	Pakage:	Original Pakage
Warranty:	Original Manufacturer's Warranty	Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line

Type:	Frequency Converter Inverter
IP Level:	IP20
Rated Power:	0.4kW～165kW
Pakage:	Original Pakage
Warranty:	Original Manufacturer's Warranty
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line

3G3RX2 General Purpose VFD Inverter 0.4kW-165kW Single Phase VFD 220v

3G3RX2 High-Performance General-Purpose Inverter

The 3G3RX2 is a high-performance general-purpose inverter suitable for a wide range of applications, contributing to energy saving and performance optimization.

Key Features

Easy Replacement: Maintains the same installation dimensions as previous models, eliminating the need to modify control cabinet size or installation location. The PC configuration tool CX-Drive is backward compatible, enabling smooth migration of parameter settings, programs, and other data from previous models via the conversion function.
Built-in Regenerative Brake Circuit: Expanded lineup of models with built-in regenerative brake circuits (up to 22kW for 200V input and 37kW for 400V input), achieving space savings.
User-Friendly Operation: Upgraded from the previous 7-segment operator to a full-color LCD operator for more intuitive and convenient configuration and operation. The operator also adds a parameter copy function, allowing quick parameter setting and program replication across multiple RX2 units.
Triple Rating Support: Evolved from dual rating support to triple rating support (Normal Duty (ND), Light Duty (LD), and Very Light Duty (VLD)). A single inverter can handle multiple motor types and applications, delivering space-saving and cost-effective solutions.
PM Motor Control Compatibility: Standardly supports permanent magnet (PM) motor control in addition to conventional induction motor control. The automatic PM motor tuning function enables easy optimization of PM motor performance for further energy savings.
Integrated Safety Function: Standardly equipped with Safe Torque Off (STO), complying with international safety standards such as IEC 61800-5-2:2016 and EN ISO 13849-1 (Safety Category 4/PLe) to meet higher safety requirements for equipment and machinery.

Technical Specifications

Power Supply Specifications	Control Power: Single-phase 200-240V (allowable fluctuation: 170-264V), 50Hz (allowable fluctuation: 47.5-52.5Hz)/60Hz (allowable fluctuation: 57-63Hz) Main Circuit Power: Three-phase (3-wire) 200-240V (allowable fluctuation: 170-264V), 50Hz (allowable fluctuation: 47.5-52.5Hz)/60Hz (allowable fluctuation: 57-63Hz)
Applicable Motor Capacity (Three-phase 200V Class)	ND Type: 0.4-11kW LD Type: 0.75-15kW VLD Type: 0.75-15kW
Rated Output Voltage	Three-phase (3-wire) 200-240V (depending on input voltage)
Overload Rated Current	VLD: 110% for 60sec / 120% for 3sec LD: 120% for 60sec / 150% for 3sec ND: 150% for 60sec / 200% for 3sec

Detailed Model Specifications

Three-Phase 200V Input (IP20)

Model	Applicable Motor Capacity (kW)	Rated Output Current (A)	Dimensions (mm) H×W×D
3G3RX2-A2004	0.4	3.2	255×150×140
3G3RX2-A2007	0.75	5.5	255×150×140
3G3RX2-A2015	1.5	8.3	255×150×140
3G3RX2-A2022	2.2	12.0	255×150×140
3G3RX2-A2037	3.7	18.0	255×150×140
3G3RX2-A2055	5.5	26.0	260×210×170
3G3RX2-A2075	7.5	35.0	260×210×170
3G3RX2-A2110	11	51.0	260×210×170
3G3RX2-A2150	15	70.0	390×270×210
3G3RX2-A2185	18.5	84.0	390×270×210
3G3RX2-A2220	22	105	540×330×240
3G3RX2-A2300	30	133	540×330×240
3G3RX2-A2370	37	160	550×330×240
3G3RX2-A2450	45	200	550×330×240
3G3RX2-A2550	55	242	550×330×240

Three-Phase 400V Input (IP20)

Model	Applicable Motor Capacity (kW)	Rated Output Current (A)	Dimensions (mm) H×W×D
3G3RX2-A4007	0.75	2.8	255×150×140
3G3RX2-A4015	1.5	4.2	255×150×140
3G3RX2-A4022	2.2	5.8	255×150×140
3G3RX2-A4037	3.7	9.8	255×150×140
3G3RX2-A4055	5.5	15.0	255×150×140
3G3RX2-A4075	7.5	21.0	260×210×170
3G3RX2-A4110	11	28.0	260×210×170
3G3RX2-A4150	15	35.0	260×210×170
3G3RX2-A4185	18.5	42.0	390×270×210
3G3RX2-A4220	22	53.0	390×270×210
3G3RX2-A4300	30	64.0	540×330×240
3G3RX2-A4370	37	83.0	540×330×240
3G3RX2-A4450	45	100	550×330×240
3G3RX2-A4550	55	121	550×330×240

Three-Phase 400V Input (IP00)

Model	Applicable Motor Capacity (kW)	Rated Output Current (A)	Dimensions (mm) H×W×D
3G3RX2-B4750	75	164	650×400×280
3G3RX2-B4900	90	194	650×400×280
3G3RX2-B411K	110	230	750×450×300
3G3RX2-B413K	132	270	750×450×300

Industry Applications & Use Cases

Industry	Typical Use Cases	3G3RX2 Key Advantages	Recommended Power/Protection
Automotive Manufacturing	Stamping/welding/painting/assembly lines; AGVs/conveyor rollers/fans/pumps	Open-loop 200% torque @ 0.3Hz, closed-loop 0Hz torque hold; STO safety function; EtherCAT high-speed synchronization	0.4-55kW IP20; 37-132kW IP00
Electronics Manufacturing	SMT pick-and-place machines/reflow ovens/wave soldering/loading/unloading; cleanroom fans/water pumps	High-speed response (590Hz); PM motor control; built-in filters; compact, high-density installation	0.4-7.5kW IP20; 11-37kW IP20
Food & Beverage	Filling/labelling/sorting/sterilization; CIP cleaning pumps/cooling fans/mixers	Vector control for stable speed; built-in PLC for simple sequencing; MODBUS/PROFINET connectivity	0.75-37kW IP20; IP00 for centralized workshop cabinets
Packaging Machinery	Bag making/sealing/palletizing/wrapping; tension control/synchronous conveying	Open/closed-loop vector control; CX-Drive for tension & synchronization; PLC cost savings	0.4-22kW IP20; 30-55kW IP20
Logistics & Warehousing	AS/RS stacker cranes/shuttles/conveyor lines; elevators/sorters	0Hz torque hold & fast start/stop; STO safety; EtherCAT ring topology	0.75-37kW IP20; 55-132kW IP00
Water & Wastewater	Municipal/industrial water treatment; submersible pumps/pressure pumps/aeration fans/sludge scrapers	Variable torque energy savings; multi-pump cascading; MODBUS-TCP remote monitoring	1.5-55kW IP20; 75-132kW IP00
Building HVAC	Chillers/cooling towers/supply/exhaust fans/air handling units; VRF system integration	Fan/pump energy-saving algorithms; built-in filters; compact design for easy integration into HVAC cabinets	0.75-30kW IP20; 37-75kW IP00
Machine Tools	Spindles/feeds/cooling pumps/hydraulic stations; grinders/milling machines/lathes	High-speed 590Hz operation; closed-loop vector for precision; PM motor compatibility for servo-like spindles	0.75-37kW IP20; 55-132kW IP00
Plastics & Rubber Machinery	Injection molding/extrusion/blow molding/calendering; screw/traction/winding	High torque & low-speed stability; tension control; regenerative braking option	11-55kW IP20; 75-132kW IP00
Lifting & Port Equipment	Cranes/lifting platforms/port conveyors; container quay/yard crane auxiliary motors	0Hz torque hold for hovering; regenerative braking; CX-Drive for simple crane control	37-132kW IP00; IP20 for small lifting equipment
Renewable Energy	PV/wind power supporting cooling pumps/lubricating oil pumps/radiator fans	Wide voltage tolerance; variable torque energy savings; MODBUS-TCP integration with SCADA	0.75-37kW IP20; 55-132kW IP00

Configuration Guidelines

Torque & Start/Stop: Choose closed-loop vector for heavy loads/hovering; add regenerative braking for frequent start/stop.
Safety & Networking: STO for machine safety; EtherCAT for high-speed synchronization; PROFINET/MODBUS for general connectivity.
Protection & Installation: IP20 for cabinet mounting; IP00 for centralized enclosures; add protective covers for clean/outdoor environments.
Power Ranges: 0.4-7.5kW (compact); 11-37kW (mainstream); 55-132kW (large-scale lines).

Frequently Asked Questions

Q1: We're using the 3G3RX2 to control a centrifugal pump (variable torque load) in a Southeast Asian water plant. The inverter often reports "OC" (overcurrent) when starting, but the motor is normal. What's wrong?

A: It's mostly due to improper start-up parameters or voltage fluctuations. First, check if the "Acceleration Time" is too short--set it from the default 3s to 8-12s (centrifugal pumps have high starting resistance). Second, Southeast Asia's power grid is unstable: enable the "Voltage Fluctuation Suppression" function and lower the "Overcurrent Protection Threshold" by 10-15% (don't go below 280V for 380V models). Also, check if the motor cable is too thin or too long--if the distance exceeds 50m, upgrade the cable cross-section (e.g., from 4mm² to 6mm²) to reduce line loss.

Q2: Our European factory uses the 3G3RX2 with a Siemens PLC via Modbus RTU. The speed command is unstable (speed jumps randomly), but the wiring seems fine. How to fix this?

A: The issue is usually communication interference or parameter mismatch. First, add a 120Ω terminal resistor at both ends of the Modbus cable--this reduces signal reflection (critical for European factories with long wiring runs). Second, in the inverter's communication settings, set "Communication Timeout" to 3s (default 1s is too short for complex networks) and "Data Filtering Level" to Medium. Third, separate the Modbus cable from power cables by at least 30cm--European factories often have dense wiring, which causes electromagnetic interference. If it still fails, check if the PLC's speed command format matches the inverter (e.g., 0-10V analog signal vs. 4-20mA--make sure the inverter's "Input Signal Type" is set correctly).

Q3: We installed the 3G3RX2 on a conveyor in an African mine (high dust, high temperature). It shuts down randomly with "OH" (overheating) even though the cooling fan is running. Any solutions?

A: African mines' harsh environment is the main culprit. First, clean the inverter's heat sink and fan thoroughly--dust accumulation blocks heat dissipation (do this weekly). Second, install a heat shield or move the inverter to a cooler area (avoid direct sunlight; mine temperatures often exceed 45℃). Third, enable the "Derated Operation" function--this allows the inverter to run at lower power when overheating instead of shutting down. Also, check if the fan is faulty (replace it if it's noisy or slow--African supply chains can be slow, so keep spare fans on hand).

Q4: Our Japanese customer is using the 3G3RX2 for a small printing machine (constant torque load). The inverter's display shows "Pr.Er" (parameter error) when trying to save settings. What's the problem?

A: This is a common parameter lock issue in Japanese industrial equipment. First, check if the "Parameter Write Lock" (Pr.77) is set to "0" (unlocked)--some default settings lock parameters after commissioning. Second, reset the inverter to factory defaults (hold the "MODE" and "SET" buttons for 5s) and reconfigure the parameters--sometimes incorrect parameter combinations (e.g., setting vector control without a feedback sensor) trigger this error. Third, ensure the firmware is up to date--older versions have bugs with parameter saving (contact local distributors for firmware updates; Japanese customers value stability, so they often use older firmware unknowingly).

Q5: We're using the 3G3RX2 for a HVAC fan in a Middle Eastern shopping mall. The energy saving is worse than expected (only 5% vs. the claimed 15-20%). Why?

A: Middle Eastern malls have unique load characteristics--HVAC fans run at medium speed most of the time, so the default settings aren't optimized. First, switch the inverter's "Control Mode" from V/F to Sensorless Vector (Pr.1) --vector control is more efficient for partial loads. Second, enable the "Fan/Pump Energy Saving Curve" (Pr.19) --this adjusts voltage and frequency dynamically based on load (the default "General Purpose Curve" wastes energy on fans). Third, check if the fan's impeller is dirty--Middle Eastern dust accumulates quickly, increasing mechanical resistance (clean the impeller monthly to restore efficiency).

Q6: Our North American customer is using the 3G3RX2 with a 230V single-phase motor (small mixer). The inverter trips with "LU" (undervoltage) when starting, even though the input voltage is 230V. How to resolve this?

A: Single-phase 230V applications in North America often have this issue. First, confirm the inverter model supports single-phase input--some 3G3RX2 models are only for three-phase (check the nameplate: "1Φ" means single-phase compatible). Second, increase the "Starting Torque Boost" (Pr.17) to 15%--single-phase motors have lower starting torque than three-phase. Third, use a voltage stabilizer--North American residential/commercial grids can have voltage dips when starting heavy loads. Also, note that single-phase 3G3RX2 models have a lower power rating (e.g., 1.5kW max)--don't overload them (the mixer's motor power should be ≤80% of the inverter's rated power).

Q7: We're integrating the 3G3RX2 into a packaging line in Brazil. The inverter doesn't respond to the emergency stop signal from the line's safety relay. What's wrong?

A: Brazilian industrial safety standards (NR-12) require specific wiring for emergency stops. First, check if the emergency stop signal is connected to the inverter's "STOP" terminal (terminal 2) correctly--ensure it's a normally closed contact (NC) (most safety relays in Brazil use NC). Second, set the inverter's "Stop Mode" (Pr.22) to "Coast to Stop" or "Ramp to Stop"--the default "Free Stop" may not respond to external signals. Third, test the emergency stop circuit with a multimeter--Brazilian factories often have old wiring, which can cause loose connections. Also, confirm the inverter's safety rating meets NR-12 (the 3G3RX2 is compliant, but wiring mistakes void this).

Q8: Our Australian farm uses the 3G3RX2 for an irrigation pump. The inverter works fine for a few hours, then shuts down with "GF" (ground fault). We checked the motor and cable, but no issues. Any ideas?

A: Australian farms have humid environments, which cause ground faults. First, check if the inverter's ground wire is properly connected (must be ≥2.5mm² and connected to a dedicated ground rod--farm grounding is often inadequate). Second, inspect the motor's insulation with a megohmmeter--humidity can damage insulation (target ≥1MΩ; replace the motor if it's lower). Third, enable the "Ground Fault Sensitivity" (Pr.57) to "Low"--this reduces false alarms (Australian irrigation pumps often have minor leakage due to wet conditions). Also, wrap the inverter's terminal block with waterproof tape to prevent moisture from seeping in.

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3G3RX2 General Purpose VFD Inverter 0.4kW-165kW Single Phase VFD 220v