Siemens G120X Series AC Inverter for 37kW (50HP) 690V 3 Ph Fan or Centrifugal Pump in VxF or Sensorless Vector control to 42A (Fan /Pump rated). Converts fixed frequency three phase 500V/690V input to variable frequency three phase 500V/690V to control the speed of a standard AC induction motor, PM Synchronous Motor or Synchronous Reluctance Motor
Low Overload Rating: 110% 60s, 100% 240s
37kW Output Current:
Rated current (HO) 35.00A
Rated current (LO) 43.00A.
Low Overload (LO) 110% base load current IL for 60 s in a 300 s cycle time
High Overload (HO) 150% x base load current IH for 60 s within a 600 s cycle time
Dimensions: Frame: FSD; 472mm H (625mm H incl Cable Clamp) x 200mm W x 248mm D (248mm including BOP if fitted).
Enclosure: IP20.
Mounting: via 4 x M5 holes at rear on 170mm x 430mm centres.
Weight: 18.8kg
EMC-None
Speed Control Range: 0-550Hz (V/F); 0-240Hz (Vector).
Braking: None.
Without IO expansion
Inputs and Outputs: 2 x Analogue Inputs, x 6 Digital Inputs, x 2 Digital Outpus, 1 x Analogue Outputs, 2 x Volt Free Contact Set (250VAC/30VDC, 2A),
1 x Temperature Sensor.(1 motor temperature sensor input, sensors that can be connected PTC, KTY and Thermo-Click, accuracy ±5 °C)
Communications: USS, Modbus RTU, BACnet MS/TP
'Safe Torque Off' (STO) function to SIL 3 (EN 61508) via dedicated STO inputs.
Input Current: 42A at low overload, or 38A at high overload.
Input Voltage: Three Phase 500-690V -20% +10%, 50-60Hz (47Hz-63Hz).
Cubicle Mount.
Ambient Temperature: 0 to 45°C.
Ventilation space: 80mm above; 100mm below; 0mm at sides.
Heat Loss: 980W at maximum output.
Part Number: 6SL3230-3YH36-0UB0