Nord Nordac FLEX SK225E series Motor Mounted AC Inverter for a 4kW, 80-112 Frame, 400V 3 Ph motor to 9.5A. Converts fixed frequency three phase 400V input to variable frequency three phase 400V to control the speed of a standard AC Induction or PM Synchronous Motor.
Nord SK225E AC Inverter only - IS SUPPLIED WITHOUT THE CONNECTION UNIT.
Designed as a replacement SK225E Unit where the Connection Unit is already installed.
Rated Output Current: 9.5A
Overload: 150% x 60 seconds, 200% x 3.5 seconds.
Control: V/F, Sensorless Vector, Closed Loop Speed (with HTL encoder fitted, 2 Digital Inputs used)
Speed Control Range: 0Hz to 400Hz
Dynamic Braking (DBr): Internal Braking Switch is fitted. If braking is required an external resistor should be fitted (not supplied), 110 Ohm minimum.
No front mounted keypad. To view and change parameters please see ‘Parameter Boxes’ below
2 Analogue Inputs, 4 Digital Inputs, 2 Digital Output, 1 x PTC, Nord System Bus, 1 x RJ12 port with RS232/RS485 interface for programming, Encoder Interface (HTL), POSICON Positioning Control.
Frame 2.
Overall Size: 138mm H x 176mm W x 266mm D, 4.1kg. (AC Inverter Only)
Enclosure Rating: IP55
Input Current: 8.5A
Input Voltage: 380V to 500V Three Phase -20%/+10% at 50-60Hz ±5%
EMC Filters: IEC EN61800-3 Category C3 (Industrial). Can be disconnected if required (Jumpers)
Rated Ambient: 40°C (S1 Duty – Continuous)
Fuses and Mains Switch or Circuit Breaker required to protect and isolate the AC Inverter
Part number: SK 225E-401-340-A, also known as 275224311