Product Short Description
Product Brief Introduction
This is a compact wall-mounted general-purpose variable frequency inverter from Vacon NXL series, with a rated output power of 4.5kW, designed for three-phase asynchronous induction motor speed regulation control. The product integrates built-in EMC input filter and internal brake chopper as standard configuration, supports dual control modes of U/F scalar control and open-loop vector control, covers light-load fan/pump constant torque material handling dual load application scenarios. The ultra-compact vertical wall-mounted structure saves cabinet installation space, supports rich programmable digital/analog I/O expansion boards, and is equipped with a detachable parameter copy control panel for fast multi-unit commissioning.
Description
Core Technical Performance Parameters
- Model Code Decoding: NXL=Compact General Drive Series; 00045=4.5kW Rated Output Power; C=380~480V 3-Phase Input Voltage Grade; 1=Standard I/O Terminal Block; N=No External Encoder Interface; 1=Standard Cooling Fan; SSS=Standard Control Panel, No Special Customization
- Rated 3-Phase Input Voltage: 380 VAC ~ 480 VAC, 50/60Hz
- Rated 3-Phase Output Power: 4.5 kW
- Rated Output Current: 9.6 A
- Overload Capacity: Light overload 110% rated current for 1 minute / 10 minute cycle; Heavy overload 150% rated current for 1 minute / 10 minute cycle
- Output Frequency Range: 0 Hz ~ 320 Hz
- Frequency Setting Resolution: 0.01 Hz
- PWM Carrier Frequency Adjustable Range: 1 kHz ~ 16 kHz, factory default 6 kHz
- Control Algorithms: U/F Scalar Control, Open-Loop Sensorless Vector Control
- Built-in Standard Components: Integrated Class A EMC Input RFI Filter, Internal Brake Chopper, DC Bus Reactive Current Choke
- Power Consumption (No-Load Standby): ≤35 W
- Operating Ambient Temperature: -10°C (No Frost) ~ +50°C (100% Rated Load); -10°C ~ +40°C for continuous heavy overload operation
- Storage & Transportation Temperature: -40°C ~ +70°C
- Relative Humidity: 0% ~ 95% RH, Non-Condensing, No Corrosive Chemical Vapor
- Altitude Derating Rule: 100% full load output below 1000m altitude; 1% power derating per 100m altitude above 1000m
- Physical Dimensions (H×W×D): 362 mm × 125 mm × 178 mm
- Net Inverter Weight: 5.2 kg
- Protection Standards: CE, UL, RoHS, IEC 61800-3 EMC, IEC 61800-5-1 Functional Safety
Functional Feature Highlights
- Dual built-in standard configurations eliminate extra spare parts procurement: integrated Class A industrial EMC RFI input filter and internal brake chopper, compatible with brake resistor dynamic motor braking for high inertia load deceleration control
- Dual motor control algorithm switching at will: U/F scalar control for simple fan, pump, blower constant flow control; open-loop sensorless vector control for conveyor, lifting, winding high torque low-speed heavy load applications
- Ultra-wide adjustable PWM carrier frequency up to 16kHz, greatly reduces motor electromagnetic operating noise, suitable for noise-sensitive food processing, medical automation equipment
- Rich multi-channel programmable I/O interface standard equipped: 6 digital input channels, 2 relay digital output channels, 2 analog input (0~10V / 4~20mA) channels, 1 analog frequency output channel; optional expansion I/O boards (NXOPTAA, NXOPTB, NXOPTC) to expand additional I/O channels for complex logic control
- Detachable handheld control panel with parameter copy function; one-click copy all drive parameter groups to panel storage, rapid batch commissioning of multiple identical production line inverters without repeated manual parameter setting
- Built-in complete multi-layer fault self-diagnosis and hardware protection system: overcurrent, overvoltage, undervoltage, DC bus overheating, output motor phase loss, input grid phase loss, cooling fan fault, IGBT over temperature, external short circuit, parameter storage error protection, all fault codes displayed clearly on control panel LCD screen
- Embedded IEC 61131-3 standard programmable logic control function, simple production line interlock logic can be programmed directly inside the inverter without additional external PLC controller, reducing overall automation system procurement cost
- Flexible multi-type speed setting signal support: panel digital potentiometer setting, 0~10V analog voltage signal, 4~20mA analog current signal, external multi-stage speed relay contact input, Modbus RTU serial communication remote speed setting
Material Composition & Structural Characteristics
- Outer Front Panel & Side Housing: High-strength black PC/ABS composite flame retardant engineering plastic, UL94-V0 fire resistance grade, anti-oil mist and dust surface coating
- Main Power Circuit Base Plate: Thick aluminum alloy integral extrusion heat sink, black anodized anti-corrosion treatment, fin-shaped dense heat dissipation fin structure for efficient IGBT power module heat conduction
- Power Semiconductor Core Components: Three-phase full-bridge IGBT power switching modules, high-capacity film DC bus filter capacitors, high-power metal oxide varistor surge protection components
- Control Circuit PCB Board: Multi-layer FR4 fire-resistant fiberglass circuit board, full copper foil shielding layer to isolate power circuit electromagnetic interference to delicate control chips
- Cooling System: Axial flow high-temperature resistant plastic cooling fan with ball bearing, mounted at the bottom of aluminum heat sink, forced air convection heat dissipation; fan equipped with speed feedback detection circuit for fan fault alarm
- Terminal Block Components: Tin-plated copper power wiring terminal blocks with locking screws; gold-plated small signal I/O terminal blocks with anti-loosening spring clips
- Control Panel Connection Interface: Standard RJ12 serial communication socket for detachable LCD control panel plug connection







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