Delta MS300 Basic Compact Series AC Inverter for 7.5kW 400V 3ph motor to 17A at high overload or 7.5kW to 20.5A when Fan/Pump rated. Operates in VxF or Sensorless Vector 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 permanent magnet).
Dimensions: Frame D2; 109mm Wide x 187mm Deep x 207mm High
Enclosure Rating: IP20
Weight: 2.9kg.
7.5kW, 17A with 150% overload for 60 seconds (Heavy Duty, HD), 200% of rated output current for 3 seconds. - Default Rating
7.5kW, 20.5A with 120% overload for 60 seconds. (Normal Duty, ND), 150% of rated output current for 3 seconds.
Speed Control Range: 0-599Hz. +/- 0.1%.
Speed Ratio: 50:1 (SVC control for Induction Motor): 20:1 (SVC control for PM Motor).
Braking (DBr): Built-in braking transistor for Dynamic Braking if required. Min Resistor 40 Ohms, 10% Maximum braking duty.
Removable Operator Keypad with potentiometer (See linked items below for alternative remote keypad and cables)
1 Analogue Input (0-10Vdc, 0-20mA & 4-20mA), 5 Programmable Digital Inputs (PNP/NPN), 1 Pulse Input (10kHz), 1 Analogue Output, 1 Digital Output 1 Relay set of Changeover contacts (Resistive Load 3A/250VAC -5A/30VDC, Inductive Load 1.2A/250VAC -2A/30VDC)
Twin Wire Connections for RS485 Modbus serial communications. RJ45 Connection for external Keypad
Option Slot: 1 Internal Slot – See options below
Safe Torque Off (STO): Functional to SIL2 (IEC61508), EN 62061 SIL CL 2, ISO 13849-1:2015 Category 3 PL d.
Input Current: 18.7A (HD), 22.6A (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, C3 (Industrial) for Cable Length to 30m. Filter can be disabled
Cubicle mount only. Pollution degree 2.
Rated at IP20
Ambient Operating temperature: to 50°C (40°C when units mounted side-by-side)
Heat Loss at High Overload: 220W total at max output
Ventilation space in front [not specified], above: 50mm, below: 50mm, at sides 30mm.
Mounting via 4 x M5 bolts (not supplied) at rear on 94mm x 194mm centres. (Optional DIN-Rail mounting available - see linked products below).
Part Number: VFD17AMS43AFSAA