DELTA ME300 AC Inverter Drive Range: 0.1kW to 7.5kW

 A technical overview of the complete DELTA ME300 VFD range. Individual power ratings are given along with key features, useful downloads and links to individual listings

DELTA ME300 Frame Size C2
DELTA ME300 (Frame Size C2)

DELTA ME300 Product Overview

The Delta ME300 Variable Frequency Drive (VFD) is a compact, cost-effective AC inverter designed for reliable motor control in general-purpose industrial and commercial applications. With built-in STO, dynamic braking, and support for both induction and PM motors, the ME300 delivers functionality typically found in larger drives — in a space-saving IP20 format.

  • kW Rating: 0.1kW to 7.5kW
  • Mains Supply: 230V single-phase or 400V three-phase versions available
  • Motor Control: V/F and Sensorless Vector control suitable for Standard AC Induction and PM Synchronous Motors
  • STO: All units are supplied with dual channel STO safety functionality

Local operation is straightforward using the built-in keypad, which features clear operating keys and an integrated speed potentiometer for simple local speed adjustment. Combining flexibility, safety, and ease of use in a compact format, the Delta ME300 is a cost-effective and dependable solution for modern variable speed drive applications.

Available from our UK stock ready for immediate dispatch

DELTA ME300 Rating Table: 0.1kW to 7.5kW

Please ensure you select the ME300 to match your Voltage supply as well as the Voltage and current rating of the motor. The ME300 has 2 differing current ratings depending on the overload required to suit your application; a higher short-term peak rating is also available. For higher rated units the MS300 is available up to 22kW.

230V Single Phase
kW Rating 0.1kW 0.2kW 0.4kW 0.75kW 1.5kW 2.2kW
Rated Current at 150% Overload 0.8A 1.6A 2.8A 4.8A 7.5A 11A
Rated Current at 120% Overload 1A 1.8A 3.2A 5A 8.5A 12.5A
Frame Size B3 B3 B3 B3 C2 C2
400V Three Phase
kW Rating 0.4kW 0.75kW 1.5kW 2.2kW 3.7kW 5.5kW 7.5kW
Rated Current at 150% Overload 1.5A 2.7A 4.2A 5.5A 9A 13A 17A
Rated Current at 120% Overload 1.8A 3A 4.6A 6.5A 10.5A 15.7A 20.5A
Frame Size B3 B3 B3 C2 C2 D2 D2
Hardware Features
Frame Size B3 C2 D2 Overview
Internal Brake Switch Yes Yes Yes Brake Switch is fitted on all units as standard
EMC Filter Yes Yes Yes Filter is disabled as default; move EMC screw to enable
Cable Clamp No No No Optional 'Shield Plate' available for all units
STO (Safe Torque Off) Yes Yes Yes A dual channel STO is fitted on all units

DELTA ME300 Dimension Details

Drawing or ME300 frame size B3Drawing of ME300 frame size C2Drawing of ME300 frame size D2

Frame Size B3 C2 D2
H - Height (mm) 142 157 207
W - Width (mm) 72 87 109
D - Depth (mm) 143 163 171

DELTA ME300 Keypad Overview

The ME300 has a fixed Keypad with a seven-segment display, programming keys and Local operating keys including a Keypad mounted Potentiometer

Drawing of the ME300 Keypad showing keypad functionOverview of the ME300 Keypad functionality

DELTA ME300 Control Terminal Detail and Default Wiring Diagram

Spring type control terminals are fitted on the ME300; this ensures wiring is quick and easy during installation.

Drawing of the ME300 terminal layoutInfogram of ME300 terminal functions

When initially powered up the ME300 is ready to operate from the Keypad. This can be easily changed to remote operation. Our Easy Start Guide gives step by step instructions on how to do this.

diagram showing the default wiring for the ME300

ME300 Installation Guidelines

All units are IP20 and must be mounted in a suitable enclosure with adequate ventilation. Any dust must be non-conducting otherwise this will damage the unit.

ME300 Options and Accessories

The ME300 does not have an option slot but can be connected to an alternative panel mount Keypad if required.

Icon for the ME300 Keypad accessoriesIcon for the ME300 Cable Clamps

ME300 Manuals

The ME300 has a comprehensive user manual for all your installation and commissioning requirements. If you are unfamiliar with the ME300 our Easy Start Guide gives step by step instructions for basic wiring and parameter adjustment

Icon for the Easy Start ManualIcon for the ME300 User Manual

ME300 Part Numbers

Part Number Explanation
Breakdown Product Current Rating Series Voltage Input Phase IP Rating EMC Filter STO Model Version
230V, 0.75kW, 4.8A/5A VFD 4A8 ME 2 1 A F S A A
400V, 2.2kW, 5.5A/6.5A VFD 5A5 ME 4 3 A F S A A
Explanation AC Inverter

150% Rating

4A8 = 4.8A

5A5 = 5.5A

 ME300

2 = 230V

4 = 400V

1 = Single-phase

3 = Three-phase

 A = IP20 F = EMC Filter Included S = STO Included A = Standard Type A = Version A
ME300 Type Part Number
230V Single Phase
0.1kW, 0.8A/1A VFD0A8ME21AFSAA
0.2kW, 1.6A/1.8A VFD1A6ME21AFSAA
0.4kW, 2.8A/3.2A VFD2A8ME21AFSAA
0.75kW, 4.8A/5A VFD4A8ME21AFSAA
1.5kW, 7.5A/8.5A VFD7A5ME21AFSAA
2.2kW, 11A/12.5A VFD11AME21AFSAA
400V Three Phase
0.4kW, 1.5A/1.8A VFD1A5ME43AFSAA
0.75kW, 2.7A/3A VFD2A7ME43AFSAA
1.5kW, 4.2A/4.6A VFD4A2ME43AFSAA
2.2kW, 5.5A/6.5A VFD5A5ME43AFSAA
3.7kW, 9A/10.5A VFD9A0ME43AFSAA
5.5kW, 13A/15.7A VFD13AME43AFSAA
7.5kW, 17A/20.5A VFD17AME43AFSAA
 
Prepared by Inverter Drive Supermarket Ltd:  Specification verified against DELTA ME300 User Guide; Last Reviewed January 2026