Products
SFT20low-voltage soft-starter
The SFT20 series is a versatile soft starter for motors ranging from 7.5 to 450 kW in power. It works with three-phase motors with supply voltage 3 x 380 V, has control voltage 220 V. For operation in industrial networks, the SFT20 soft starter has a built-in RS-485 interface (Modbus RTU), an additional analogue output, and a convenient operator panel with buttons.
check list for the order
- Specifications
- Application
- Advantages
Rated voltage: 3 х 380 V АС (-15 to +10 %)
Rated frequency: 50/60 Hz
Rated control circuit voltage: 220 VAC
Bypass: External
Number of starts per hour: 3–6 times an hour
Additional analogue output: 1*
Network protocols: Modbus RTU (RS-485)*
Allowable overloads: 75–150 % for 10 s
Digital inputs: 4 programmable
Relay outputs: 3 relays
Analogue inputs: 1 (thermistor)
Service temperature: 0 to +50 °C
Humidity: Transducers may be operated at relative humidity 95 % and temperature +25 °С
Storage temperature: -10 to +50 °C
Protection degree: IP20
Altitude above sea level: 2000 m
* Depending on the model ordered.
- centrifugal and submersible pumps
- screw compressors
- crushers
- fans
etc.
This series provides soft start and stop of the electric motor and has advanced safety functions. The SFT20 has four programmable digital inputs, 3 relay outputs, 1 analogue input (thermistor). Basic start and stop functions are available: start with initial current/voltage, start with linear voltage increase, soft stop with voltage control, coast braking. The device has advanced functions: forced start, acceleration curves for the pump.
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€ 5 253.20
516x350x226 mm
11A00MDE176
SFT20-T4-0840-AO
Input 3x400V Output power 450kW Rated output current 840A Build-in options Analog output
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€ 5 361.76
516x350x226 mm
11A00MDE193
SFT20-T4-0840-AO-MB
Input 3x400V Output power 450kW Rated output current 840A Build-in options ModBus|Analog output