3RW50

SIRIUS 3RW50 Basic Performance soft starters are the compact solution for standard applications. With two-phase motor control, they cover the performance range from 75 to 315 kW (at 400 V).

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SIRIUS 3RW50 Basic Performance soft starters are the compact solution for standard applications. With two-phase motor control,
they cover the performance range from 75 to 315 kW (at 400 V).
Optional HMI modules for installation in the control cabinet door, laterally mountable communication modules (PROFINET, PROFIBUS, EtherNet/IP and Modbus) and either an analog output or thermistor motor protection ensure maximum flexibility. With their modern hybrid switching technology, the SIRIUS 3RW50 soft starters offer efficient switching for long-term, energy-saving use.
Hybrid switching devices and two-phase motor control
Small and compact design
TIA-Integration – communication modules and HMI modules optional
Motor overload and intrinsic device protection without additional wiring
Soft Torque, reduced mechanical loading and optimum pump stop
Parameterization using potentiometers, help simple and fast commissioning
Wide range for control supply and main voltage
Certified according to ATEX/IECEx directive

Operational voltage: 200 ~ 600VAC
Operational current at 40 °C: 143 ~ 570A
Rated control supply voltage: 24DC/AC (3RW50..-..B0.), 110-250VAC (3RW50..-..B1.)
Operating power for three-phase motors at 400V, 40 °C
Inline circuit: 75 ~ 315kW
Minimum load (% of Ie): 15%
Starting voltage: 30 ~ 100%
Ramp-up and ramp-down time: 0 ~ 20s
Maximum starting time: 10s
Maximum starting current (% of Ie): 300%
Number of parameter sets: 1
Number of controlled phases: 2
Maximum number of starts per hour: 5/h
Maximum conductor length between soft starter and motor: 800m
Features: