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Home > Products > Drives & Motion Control > ME300 Series - Next-Generation Compact & Simple Vector Control Inverter

ME300 Series - Next-Generation Compact & Simple Vector Control Inverter

Product Details

Place of Origin: TAIWAN

Model Number: ME300

Payment & Shipping Terms

Minimum Order Quantity: 1

Price: $200 - $1000

Delivery Time: 3-5workday

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

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Highlight:

Delta ME300 vector control inverter

,

compact frequency inverter converter

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simple vector control inverter

Type:
Frequency Converter Inverter
Rated Power:
0.1–7.5kw
IP Level:
IP20
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
Rated Power:
0.1–7.5kw
IP Level:
IP20
Pakage:
Original Pakage
Warranty:
Original Manufacturer's Warranty
Shipping Term:
International Express(DHL/FEDEX/TNT/UPS/ARAMEX)/sea Freight / Air Freight / International Special Line
ME300 Series - Next-Generation Compact & Simple Vector Control Inverter
ME300 Series - Next-Generation Compact & Simple Vector Control Inverter
Despite a 60% reduced footprint, the ME300 Series maintains the excellent performance that Delta inverters are known for. It integrates a range of key functions, making it a powerful tool for energy-saving initiatives.
Key Features
  • Superior Overload Capacity: Up to 200% overload capability to handle sudden load surges
  • Dual PM Motor Control Modes: Built-in IPM (Interior Permanent Magnet) and SPM (Surface Permanent Magnet) motor control for optimal energy efficiency
  • Enhanced Safety: STO (Safe Torque Off) function improves overall equipment safety, complying with global safety standards
  • Flexible Control Options: Supports pulse input for speed commands, parallel control of multiple water pumps, and EMC filter models (Class C2/C3) with low leakage current design
  • User-Friendly Operation: Customizable parameter groups and screwless wiring terminals balance high performance with ease of use
Technical Specifications
Parameter Category Specification Details
Control Modes V/F Control, SVC (Sensorless Vector Control)
Compatible Motors Induction Motor (IM); Permanent Magnet Motors (IPM / SPM)
Mechanical Design Ultra-compact footprint (60% smaller than conventional models)
Dual Rating Modes - Normal Duty (ND): 120% overload for 60s OR 150% overload for 3s
- Heavy Duty (HD): 150% overload for 60s OR 200% overload for 3s
Starting Torque 200% rated torque at 3 Hz
Brake Function Built-in brake transistor (full series)
Input Signals High-speed pulse input support; PWM signal input support
Communication Interface Built-in Modbus RTU interface (RS485)
Safety & EMC - Optional EMC filter (Class C2/C3)
- Optional STO (Safe Torque Off) function (SIL2 certified)
Built-in Control Functions - PID controller
- Single/multi-pump parallel control (up to 4 pumps)
- Pump-specific features: Sleep mode, leakage detection
- Multi-pump features: Alternate operation, constant pressure control for parallel pumps
Environmental Protection 100% PCB conformal coating; Complies with IEC 60721-3-3 Class 3C3 (enhanced resistance to dust, humidity, and chemical corrosion)
Product Models & Specifications
1. 1Φ 115VAC (North America Primary)
Ideal for small workshops, desktop equipment, and light-duty applications
Model No. Motor Power (kW/HP) Output Current (A) Frame Dimensions (W×H×D mm) Net Weight (kg) Key Features
VFD0A8ME11ANNAA 0.1/0.125 1.0 A 68×128×78 0.4 Standard
VFD0A8ME11ANSAA 0.1/0.125 1.0 A 68×128×78 0.4 + STO
VFD1A6ME11ANNAA 0.2/0.25 1.8 A 68×128×78 0.4 Standard
VFD2A5ME11ANNAA 0.4/0.5 2.7 C 87×157×136 0.8 Standard
VFD4A8ME11ANNAA 0.75/1.0 5.5 C 87×157×136 0.8 Standard
2. 1Φ 230VAC (Global Light Industrial)
Widely used in packaging, small pumps, and laboratory equipment
Model No. Motor Power (kW/HP) Output Current (A) Frame Dimensions (W×H×D mm) Net Weight (kg) Key Features
VFD0A8ME21ANNAA 0.1/0.125 1.0 A 68×128×78 0.4 Standard
VFD0A8ME21AFNAA 0.1/0.125 1.0 A 72×142×143 0.4 + EMC C2
VFD0A8ME21ANSAA 0.1/0.125 1.0 A 68×128×78 0.4 + STO
VFD0A8ME21AFSAA 0.1/0.125 1.0 A 72×142×143 0.4 EMC+STO
VFD1A6ME21ANNAA 0.2/0.25 1.8 A 68×128×78 0.4 Standard
VFD1A6ME21AFNAA 0.2/0.25 1.8 A 72×142×143 0.4 + EMC C2
VFD2A8ME21ANNAA 0.4/0.5 3.2 B 87×157×136 0.6 Standard
VFD2A8ME21AFSAA 0.4/0.5 3.2 B 87×157×163 0.6 EMC+STO
VFD4A8ME21ANNAA 0.75/1.0 5.0 B 87×157×136 0.6 Standard
VFD7A5ME21ANNAA 1.5/2.0 8.5 B 87×157×136 0.8 Standard
VFD11AME21ANNAA 2.2/3.0 12.5 C 109×207×138 1.0 Standard
VFD11AME21ANSAA 2.2/3.0 12.5 C 109×207×138 1.0 + STO
3. 3Φ 230VAC (Europe/Asia Industrial)
For conveyors, fans, and medium-duty pumps
Model No. Motor Power (kW/HP) Output Current (A) Frame Dimensions (W×H×D mm) Net Weight (kg) Key Features
VFD0A8ME23ANNAA 0.1/0.125 1.0 A 68×128×78 0.4 Standard
VFD1A6ME23ANNAA 0.2/0.25 1.8 A 68×128×78 0.4 Standard
VFD2A8ME23ANNAA 0.4/0.5 3.2 B 87×157×136 0.6 Standard
VFD4A8ME23ANNAA 0.75/1.0 5.0 B 87×157×136 0.6 Standard
VFD7A5ME23ANNAA 1.5/2.0 8.5 B 87×157×136 0.8 Standard
VFD7A5ME23ANSAA 1.5/2.0 8.5 B 87×157×136 0.8 + STO
VFD11AME23ANNAA 2.2/3.0 12.5 C 109×207×138 1.0 Standard
VFD17AME23ANNAA 3.7/5.0 19.0 D 133×242×158 1.5 Standard
VFD25AME23ANNAA 5.5/7.5 28.0 E 158×292×178 2.0 Standard
4. 3Φ 460VAC (Global Heavy Industrial)
Primary choice for North American factories, large pumps, and HVAC
Model No. Motor Power (kW/HP) Output Current (A) Frame Dimensions (W×H×D mm) Net Weight (kg) Key Features
VFD1A5ME43ANNAA 0.4/0.5 1.8 A 68×128×78 0.4 Standard
VFD1A5ME43AFNAA 0.4/0.5 1.8 A 72×142×143 0.4 + EMC C3
VFD1A5ME43AFSAA 0.4/0.5 1.8 A 72×142×143 0.4 EMC+STO
VFD2A7ME43ANNAA 0.75/1.0 3.2 B 87×157×136 0.6 Standard
VFD2A7ME43AFSAA 0.75/1.0 3.2 B 87×157×163 0.6 EMC+STO
VFD4A2ME43ANNAA 1.5/2.0 5.0 B 87×157×136 0.6 Standard
VFD4A2ME43AFSAA 1.5/2.0 5.0 B 87×157×163 0.6 EMC+STO
VFD5A5ME43ANNAA 2.2/3.0 6.6 B 87×157×136 0.8 Standard
VFD5A5ME43AFSAA 2.2/3.0 6.6 B 87×157×163 0.8 EMC+STO
VFD9A0ME43ANNAA 3.7/5.0 10.8 C 109×207×138 1.0 Standard
VFD13AME43ANNAA 5.5/7.5 15.7 D 133×242×158 1.5 Standard
VFD13AME43ANSAA 5.5/7.5 15.7 D 133×242×158 1.5 + STO
VFD17AME43ANNAA 7.5/10.0 20.5 E 158×292×178 2.0 Standard
Frequently Asked Questions
Purchase & Selection
Q1: I run a small packaging machine business in Europe. Should I pay extra for the ME300 AFNAA (built-in EMC) or save money with the ANNAA (standard) model?
A1: Definitely go for the AFNAA! The EU's EN 55011 standard requires industrial equipment to meet EMC compliance to get the CE mark. The extra cost is only a few dozen USD—way cheaper than fixing non-compliance issues later.
Q2: My North American factory uses 480V 3-phase power. Can the ME300's 460V series work without burning out?
A2: Totally safe! The 460V series has a wide voltage range (323V~528V), and 480V falls right in it. But never plug a 230V model into 480V—you'll fry the module instantly.
Q3: My factory in Southeast Asia is tropical—temperatures often hit 45°C. Can the ME300 run long-term?
A3: No special model needed, but derate it! At 45°C (5°C over), reduce the output current by 1% per °C (5% total). Also, leave at least 10cm of cooling space around the inverter.
Q4: I accidentally bought a single-phase input ME300. Can it power a 3-phase motor?
A4: Absolutely not! Single-phase input ME300s still output single-phase power. A 3-phase motor will just hum, overheat, and burn out its windings in 10 minutes.
Installation & Wiring
Q5: I wired the inverter without turning off power, and now the display won't light up. Did I burn it out?
A5: Most likely the internal fuse blew. First, disconnect power and wait 5 minutes. Open the inverter and check the fuse: if it's blown, replace it with the same rating.
Q6: I'm connecting the ME300 to Modbus, but it won't communicate with my PLC. The wires aren't reversed—what's wrong?
A6: Check two key settings first: Baud rate and parity must match your PLC. If the communication cable is over 100m, add a 120Ω terminating resistor to the last inverter in the line.
Q7: I'm setting up 4-pump parallel control, but only 2 pumps start. The other two don't respond—why?
A7: It's not a faulty inverter—just wrong parameters! The ME300 defaults to 2 pumps for parallel control. Go into the settings, change "Pump Quantity" to 4, and set a start delay for each pump.
Q8: How do I wire the STO safety function to meet SIL2 standards?
A8: STO needs dual-channel wiring (ME300's TB1 and TB2 terminals)—single-channel won't comply with SIL2/PLd. Use normally closed contacts and wire the emergency stop button in series.
Operation & Usage
Q9: The inverter shows "E.OV" (overvoltage) when stopping, especially during emergency stops. How to fix it?
A9: This happens when the motor's kinetic energy feeds back to the inverter. Easy fixes: Lengthen the deceleration time or add an external brake resistor.
Q10: My IPM permanent magnet motor gets really hot with the ME300, and energy savings are terrible. Why?
A10: You didn't switch the motor control mode! The ME300 defaults to induction motor (IM) mode. For IPM motors, go into parameters, select "IPM Mode," and input the motor's rated specs.
Q11: The inverter makes loud noise when running. Is this a quality issue?
A11: Probably not—adjust the carrier frequency first! The ME300 defaults to 2kHz, which is noisy. Go to parameters, find "Carrier Freq," and bump it to 5~8kHz—noise drops drastically.
Q12: Can the ME300 run 24/7? I need it for HVAC fans in an overseas data center.
A12: Absolutely—its 100% duty cycle (100% ED) is designed for continuous operation. Use Normal Duty (ND) mode and check the cooling fan regularly to avoid unplanned downtime.
Maintenance & After-Sales
Q13: The ME300's PCB has conformal coating—can it resist corrosion in a coastal factory with salt spray?
A13: The 100% conformal coating meets IEC 60721-3-3 Class 3C3, so it handles light salt spray and humidity. Mount the inverter in a sealed metal cabinet with desiccant packs for extended life.
Q14: Overseas repairs are slow. How do I troubleshoot faults quickly?
A14: Start with the error code—follow this flow: E.OC (Overcurrent): Check for motor winding shorts; E.OH (Overheat): Clean dust from heatsink; E.OV (Overvoltage): Verify grid stability.
Q15: Someone messed up the inverter parameters. How do I reset to factory defaults?
A15: Hold the "MODE" button for 3 seconds until the display flashes. Press "UP" until you see "INIT" (initialization). Press "SET" to confirm, then press "UP" to select "YES." Wait 3 seconds—it's reset!