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More Documents- The SIRIUS 3RW44 soft starters are suitable for the torque-controlled soft starting and stopping as well as braking of three-phase asynchronous motors. Soft starters are available in a performance range up to 710 kW (at 400 V) in the inline circuit and up to 1 200 kW (at 400 V) in the inside-delta circuit.
- The 3RW44 soft starters can be used as an alternative to star-delta (wye-delta) starters and frequency converters.
- Many drives that could previously only be operated with frequency converters can be changed over to soft starter operation using the 3RW44 soft starter, provided no speed control, no particularly high starting torque, or startup with close to rated current, is required.
- In addition to soft starting with breakaway pulse, torque control or adjustable current limiting, the SIRIUS 3RW44 soft starters provide numerous functions for higher-level requirements. For example, integral bypass contact system helps reduction of power loss during operation. Communication interface to the PC, more accurate setting of the parameters as well as control and monitoring. Connection to PROFIBUS and PROFINET with optional PROFIBUS DP or PROFINET module….
3RW44
The SIRIUS 3RW44 High Performance soft starters are suitable for the torque-controlled soft starting and stopping as well as braking of three-phase asynchronous motors.
3 phase control, performance range up to 710 kW (at 400 V) in the inline circuit and up to 1 200 kW (at 400 V) in the inside-delta circuit.
- Operational voltage: 200 ~ 690VAC
- Operational current at 40 °C: 29 ~ 1214A
- Rated control supply voltage: 115 ~ 230VAC
- Operating power for three-phase motors at 400V, 40 °C
- Inline circuit: 15 ~ 710kW
- Inside-delta circuit: 22 ~ 1200kW
- Minimum load (% of Ie): 8%
- Starting voltage: 20 ~ 100%
- Ramp-up and ramp-down time: 1 ~ 360s
- Maximum starting time: 10s
- Maximum starting current (% of Ie): 300%
- Number of parameter sets: 3
- Number of controlled phases: 3
- Maximum number of starts per hour: 5/h
- Maximum conductor length between soft starter and motor: 500m
- Features:
- Soft starting/ramp-down
- Voltage ramp
- Integral bypass contact system
- Intrinsic device protection
- Motor overload protection
- Thermistor motor protection evaluation
- Remote RESET
- Adjustable current limiting
- Inside-delta circuit
- Communication function
- Operating measured value display
- Logbooks
- Breakaway pulse
- Pump cleaning
- Creep speed in both directions of rotation
- Reversing duty
- Reversing DC braking
- DC braking
- Dynamic DC braking
- Motor heating
- Trace function
- Programmable control inputs and outputs
- Parameterizable via software
- Heavy starting CLASS 30
