Universal UMA1 Series AC Inverter for a 18.5kW 400V 3-phase motor to 38A at high overload or 22kW, 45A when Fan/Pump rated. Operates in standard VxF or Sensorless Vector Control and Converts fixed frequency three phase 400V input to variable frequency three phase 400V to control the speed of a standard AC Induction motor.
Output: 38A, 18.5kW (High Overload) – Default rating
High Overload: 150% for 60 seconds; 200% x 1 second.
or
Output: 45A, 22kW (Fan/Pump)
Fan/Pump Overload: 120% for 60 seconds.
Dimensions: Size 4; 230mm Wide x 216mm Deep x 342mm High.
Enclosure Rating: IP20.
Weight: 7.4kg.
Speed Control Range: 0-400Hz
Braking (DBr): Internal Braking Switch fitted. Fit external braking resistor if this feature is required.
Braking Resistor (not supplied): 19 Ohm minimum to 27 Ohm maximum (100% braking torque).
Removable Keypad with 5 x 7 segment LED display.
2 Analogue Inputs, 8 Digital Inputs, 2 Analogue Outputs, 1 Digital Output, 2 Relay Contact sets, 1 High Frequency Input (50kHz), 1 High Frequency Output (0-50kHz)
Twin wire connection for RS485 Communications. (Modbus ASCII & Modbus RTU protocols)
Input Current: 47A High Overload, 56A Fan/Pump Rating
Input Voltage: Three Phase 380-440Vac (+10% -15%) 50/60Hz (47-63Hz)
EMC Filters: IEC EN61800-3 Second Environment (Industrial – C3) For C2 compliance an additional external filter is required, please see items below
EMC Filter can be disabled. J10 should be fitted to enable the EMC Filter. Filter is disabled as default
Cubicle Mount
Mount on 4 x 6mm holes; 311mm x 210mm centres
Ambient: Rated at 40°C; 50°C Max with de-rate
Ventilation space in front: [not specified], Ventilation space above and below: 100mm, Ventilation space at sides: 100mm
Efficiency at max output: 1.35% (at 90% motor frequency and 100% torque); Ecodesign Classification: IE2
Part number: VAR-UMA1018G4
Previous Generation: GD200A-018G/22P-4; UMA1 is a direct replacement of the GD200A