Hybrid motor starter has energy efficient relay system
Siemens' Sirius 3RM1 hybrid motor starter is designed as both a direct-on-line starter and a reversing starter and has an energy-efficient relay system that reduces maintenance demands and extends the motor's life.
Siemens' Sirius 3RM1 hybrid motor starter is designed as both a direct-on-line starter and a reversing starter with integrated overload protection for smaller motors with a rating of up to 3 hp, used for fans, pumps and lifting gear, as well as in machine tools. At just 22.5 mm wide, the Sirius 3RM1 reduces space requirements in the control cabinet by up to 82%. The motor starter facilitates the requirement in modern plant and machinery construction for space-saving components.
The Sirius 3RM1 uses hybrid technology that combines the benefits of semiconductor and relay systems in one device: The low-wear semiconductor components are responsible for connection and disconnection operations while an energy-efficient relay system is used during operation. This extends the motor starter's service life and reduces maintenance demands. It also uses an infeed system for the motor starter.
As the main circuit is centrally connected to the infeed system, there is no need for separate wiring of the individual motor starters. The assembly with the infeed system is particularly suitable for conveyor systems in which a large number of motors are used on one conveyor belt. When maintenance is required, the individual motor starters from an existing assembly can be replaced with little effort thanks to the infeed system.
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