Delta MVF23 Series

MVF23 Variable-Frequency Drive
A compact and high-performing drive for medium- and low-power motors, offering efficient speed control for fans, pumps, and compressors. Features include 3.3–6.6 kV voltage range, >98.5% efficiency, and a user-friendly 7-inch touch screen. Ideal for easy installation and maintenance.

Product Overview
The MVF23 series is a highly integrated and high-performing variable-frequency device designed for medium- and low-power motors. It offers excellent variable-speed control for fans, pumps, and compressors, and features a compact design that minimizes installation space.

Features & Benefits

System Voltage: 3.3–6.6 kV ±10%
Motor Shaft Power Range: 135–2115 kW
Installation: No rear or side entry required for repairs; suitable for wall installation
Cable Entry: Possible from the top or bottom

Specifications

Control Power: Single-phase 220 VAC; 5 kVA
System Efficiency: >98.5% (at rated; excluding transformer)
Power Factor: >0.96 (at rated)
Harmonics: <5% (at rated); compliant with IEEE519-1992 and GB/T 14549-93 Overload Capacity: 110% for 1 min/10 min IP Rating: IP31 Cooling Method: Forced air cooling Control Method: V/F control; vector control with speed sensor (SVC); sensorless vector control (SLVC) Control Functions: Acceleration/deceleration speed selection, frequency skipping, automatic voltage regulation (AVR), flying start, field weakening, adaptive deceleration, input undervoltage derating, low-voltage ride through, automatic restart, multi-motor parameter storage Human-Machine Interface: 7 inches, multi-language touch screen Communication Method: Modbus RTU Fitted Motor Types: Induction motor: Squirrel cage motor and wound motor Synchronous motor: Brushed excited motor