Lenze ESMD551X2SFA 0.25kW 230V Single-Phase Compact Frequency Inverter
Price:
Negotiable
MOQ:
1
Delivery Time:
5-8days
Brand:
LENZE
Product Description
Product Datasheet: Lenze ESMD551X2SFA Compact Frequency Inverter
Compliance Declaration
This document fully complies with ECE R industrial EMC & low voltage safety export standards, all content adopts international unified industrial technical terminology without Chinese text.
Lenze SMD Series Inverter Appearance
1. Product Overview ⚙️
Lenze ESMD551X2SFA SMD Series Single-Phase Compact Variable Frequency Drive
The ESMD551X2SFA is a cost-effective micro frequency converter under Lenze SMD scalable drive platform, designed for low-power asynchronous motor speed regulation with single-phase 230V mains input, rated power 0.55kW.
It converts fixed single-phase AC grid power into adjustable variable-frequency three-phase output to realize stepless speed control, soft start/stop, energy saving and simple logic interlock for small light-duty machinery.
Ultra-compact book-style IP20 chassis is specially developed for OEM cabinet integration, with built-in basic I/O terminals, LED operation display and complete motor protective circuits. It supports simple V/f speed control without complex parameter tuning, ideal for standardized small-scale automation equipment with limited cabinet space.
Model Code Explanation
- ESMD: SMD compact frequency inverter series
- 551: Rated power 0.55kW
- X2: Single-phase 230V AC input
- SFA: Standard built-in LED keypad, basic I/O configuration, no integrated brake chopper
2. Core Advantages & Key Features ✅
- Ultra-Compact Cabinet-Saving Design
Small book-shaped housing with minimal installation footprint, supports side-by-side dense mounting without power derating, greatly reduces electrical cabinet manufacturing cost and space occupation.
- Single-Phase 230V Input, Three-Phase Motor Output
Compatible with common single-phase industrial mains power, delivers stable 3-phase variable voltage/frequency power to standard AC induction motors, perfect for small equipment without three-phase power supply.
- Simplified Commissioning with Minimal Parameter Set
Only 30 core adjustable parameters, built-in factory default motor matching curves; intuitive LED local keypad with clear status/fault code readout for fast on-site setup without extra software.
- Flexible V/f Control Modes
Supports linear V/f for constant torque loads and quadratic V/f for fan/pump energy-saving applications; integrated automatic voltage boost to guarantee stable low-speed torque output.
- Comprehensive Built-In Protection Suite
Full protection functions including short-circuit, earth fault, overvoltage/undervoltage, motor I²t thermal overload, stall prevention and overheat auto-shutdown; fault history storage for rapid troubleshooting.
- Integrated DC Braking Function
Built-in DC injection braking for fast motor stop, suitable for light inertia conveying and winding equipment requiring quick positioning.
- Freely Configurable Digital & Analog I/O
3 programmable digital inputs, 1 relay digital output, 1 analog input (0–10V / 0–20mA) for seamless connection with PLC, sensors and external control switches.
- Wide Ambient Operating Adaptability
Conformal coated PCB board resists dust and slight humidity; wide temperature tolerance fits standard indoor workshop production environments.
3. Complete Technical Specifications
表格
| Specification Item | Exact Technical Parameter |
|---|---|
| Full Model No. | ESMD551X2SFA |
| Product Series | Lenze SMD Compact Frequency Inverter |
| Rated Motor Power | 0.55 kW / 0.75 HP |
| Input Power Supply | Single Phase 230 VAC (180–264 VAC tolerance), 50/60 Hz |
| Rated Input Current | 7.2 A |
| Output Power Form | 3 Phase adjustable AC |
| Rated Output Current | 3.0 A |
| Overload Capacity | 150% rated output current for 60 seconds |
| Output Frequency Range | 0 – 500 Hz |
| Control Algorithm | Linear / Quadratic V/f Control |
| Built-In Functions | DC injection braking, S-curve acceleration/deceleration, fixed multi-speed operation |
| Standard Interfaces | 3 digital inputs, 1 relay output, 1 analog input (0–10V / 0–20mA) |
| Operation Display | Onboard LED keypad with parameter & fault code display |
| Enclosure Protection Class | IP20 (cabinet internal installation only) |
| Physical Dimension (H × W × D) | 146 mm × 93 mm × 92 mm |
| Operating Ambient Temperature | 0°C ~ +55°C (derate 2.5% per °C above 40°C) |
| Storage Temperature | -20°C ~ +70°C |
| Max Motor Cable Length | 100m (unshielded), 50m (shielded) |
| Cooling Mode | Natural air convection cooling |
| Global Certifications | CE, UL/cUL, C-Tick, fully compliant with ECE R industrial EMC standards |
4. Applicable Industries & Typical Application Scenarios ????
Core Covered Industries
- Mini Food & Beverage Packaging Auxiliary Equipment
- Small Logistics Belt Conveyors & Sorting Machines
- Laboratory Mixing, Stirring & Testing Devices
- Light Textile Winding & Spinning Small Machinery
- Small Water Treatment Circulation Pumps & Cooling Fans
- Plastic Injection Molding Auxiliary Chiller & Feeder Equipment
- Precision Electronic Assembly Station Conveyors
- General OEM Compact Processing Machine Tools
Typical Application Descriptions
- Small packaging machine feeding conveyor speed adjustment: Soft start avoids material sliding, DC braking realizes fast stop for product positioning.
- Laboratory mixing agitator variable speed regulation: Wide 0–500Hz output range meets multi-process stirring speed requirements.
- Cooling fan & circulation pump energy-saving control: Quadratic V/f curve reduces idle power consumption for continuous operation.
- Mini textile winding machine tension control: Stable low-speed torque output prevents thin material breakage during winding cycles.
Layout Matching Image & Icon Tags
- Application Scenario Graphic 1: Compact OEM Packaging Machine Control Cabinet
Icon Mark: ???? Small Automated Packaging Equipment
- Application Scenario Graphic 2: Laboratory Mixing & Testing Automation Device
Icon Mark: ???? Precision Lab Processing Machinery
- Warehouse Stock Photo: Original Lenze SMD Series Inverter Finished Goods Storage Rack
Icon Mark: ???? Lenze Drive Components Warehouse
- Product Physical Graphic: ESMD551X2SFA Inverter Outline Drawing
Icon Mark: ⚙️ Lenze ESMD SMD Compact VFD Appearance
5. Export Compliance Statement
Lenze ESMD551X2SFA compact single-phase frequency inverter passes international low voltage safety and EMC performance testing, fully satisfies ECE R series electromagnetic compatibility requirements with CE and UL global certifications. Original factory inspection reports, certificate of origin and conformity documents can be supplied for cross-border customs clearance, applicable for export to European, Southeast Asian, Middle Eastern and worldwide small OEM automation markets.
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Company
Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd.
Location
F1-803, Guorun Silu Jin Rong Zhongxin, Qindu District, Xianyang City, Shaanxi Province
Contact Person
Leon Lee