3RW4426-1BC34
The SIRIUS 3RW44 series soft starter has a standard rated capacity of 77 amps and 37 kilowatts at 400 volts, and 50 horsepower at 460 volts and 50°C. With an internal delta connection, it can reach 75 horsepower. The control voltage is 115 volts AC, and the front panel protection rating is IP20.
Product Positioning
The 3RW4426-1BC34 belongs to the Siemens SIRIUS 3RW44 series of soft starters. Its control circuit adopts a 115-volt AC design, which is convenient for connecting to common low-voltage control panels in North America. It is suitable for smooth start-stop control applications of small and medium power three-phase motors.
Core Product Advantages and Features
115-volt control circuit design
The control voltage is 115 volts AC, and it can be integrated with the existing control panel power supply without the need for an additional transformer.
North American horsepower comparison complete
At 460 volts and 50°C, the standard connection corresponds to 50 horsepower, while the internal delta connection corresponds to 75 horsepower.
Multi-temperature rated current reference
Rated current data of 77, 68, and 59 amperes are provided for environments of 40, 50, and 60°C, respectively.
Front panel IP20 protection
The front panel has an IP20 protection rating, making it suitable for installation and routine maintenance in general distribution boxes.
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