Biến tần Siemens Micromaster 440 (MM440) Series AC Frequency Inverter for 45kW (60HP) 380V 3 Ph motor to 90A at high overload, or 55kW (75HP) to 110A when Fan/Pump rated, operates in VxF or Sensorless (open loop) Flux Vector control. Simple set-up and ready to run from its default settings.
No keypad included – see linked products below for Basic and Advanced Operator Panels.
Frame Size F – 350mm Wide x 850mm High x 320mm Deep. IP20.
Overload – 150% x 60seconds and 200% x 3seconds (45kW High Overload).
Overload – 110% x 60seconds and 140% x 3seconds (55kW Fan/Pump rated).
Speed Control Range – 0Hz to 650Hz.
Braking – To 10 Ohm minimum external resistor (not supplied) – See the Resistor options linked below or use the ‘Which Resistor’ button on this page.
2 Analogue Inputs, 6 Digital Inputs, 2 Analogue Outputs, 3 Relay Outputs
Input Current – 87A at high overload or 104A when Fan/Pump rating set.
Input Voltage – 3ph 380-480V ± 10%, 47-63Hz
No EMC Filter. See linked products below for equivalent with EMC filtering.
Wall mount in clean environment or cubicle mount.
Rated -10° to 50°C Ambient.
Ventilation space above and below – 350mm.
Ventilation space at sides – 0mm (drives can be mounted side by side).
Mounting via 4 x M8 Bolts.
Full part number is – 6SE6440-2UD34-5FA1 or 6SE64402UD345FA1. Note: Siemens is sometimes incorrectly spelled Seimens.