Delta MH300 High Performance Compact Series AC Inverter for 0.75kW 400V 3ph motor to 3A at high overload or 3.3A when Fan/Pump rated. Operates in VxF, Sensorless Vector (SVC) or Full Closed-loop Vector control (with the optional encoder feedback card) and converts fixed frequency Three Phase 400V input to variable frequency Three Phase 400V to control a standard AC Induction Motor or Permanent Magnet Motor ( IPM - Interior permanent magnet and SPM - surface mounted permanent magnet).
Dimensions: Frame B; 72mm Wide x 174mm Deep x 142mm High
Enclosure Rating: IP20
Weight: 1.34kg.
0.75kW, 3A with 150% overload for 60 seconds (Heavy Duty, HD), 200% of rated output current for 3 seconds. - Default Rating
0.75kW*, 3.3A with 120% overload for 60 seconds. (Normal Duty, ND), 150% of rated output current for 3 seconds. (Use parameter 00.16 to change to this setting)
Speed Control Range: 0-599Hz.
Speed Ratio: 50:1 (SVC control for Induction Motor): 20:1 (SVC control for PM Motor): 1000:1 (Closed Loop Vector for Induction Motor)
Braking (DBr): Built-in braking transistor for Dynamic Braking if required. Min Resistor 190 Ohms, 10% Maximum braking duty.
Removable Operator Keypad with Dial (See linked items below for alternative remote keypad)
2 Analogue Inputs (0-10Vdc, 0-20mA or 4-20mA), 7 Programmable Digital Inputs (1 Programmable as Pulse Input), 1 Analogue Output, 2 Digital Output (Open Collector, 50mA), 1 High Frequency Output (32kHz), 1 Relay set of Changeover contacts (Resistive Load 3A/250VAC, 3A/30VDC )
Twin Wire or RJ45 Connections for RS485 Modbus serial communications. RJ45 Connection for external Keypad (same as RS485)
Option Slot: 2 Internal Slot – See options below. 1 for Communications or Aux 24V; 1 for Expansion Card or Encoder Card
Safe Torque Off (STO): Functional to SIL2 (IEC61508).
Input Current: 4.2A (HD), 4.6A (ND).
Input Voltage: Three phase AC 380V–480V (-15 %,+10 %), 50/60 Hz
EMC Compliance: IEC EN 61800-3 C2 (Commercial) for Cable length to 20m. Filter can be disabled
Cubicle mount only. Pollution degree 2.
Rated at IP20
Ambient Operating temperature: to 50°C , 40°C Max with derating
Heat Loss at High Overload: 52.6W total at max output
Ventilation space in front [not specified], above: 50mm, below: 50mm, at sides 30mm.
Mounting via 4 x M5 fixings (not supplied) at rear on 60mm x 130mm centres. (Optional DIN-Rail mounting available - see linked products below).
Part Number: VFD3A0MH43AFSAA
*Same IEC kW Rating. Higher continuous current rating with lower overload shown.