The ” SIKOSTART 3RW22 application manual” presents the various applica- the document entitled SIKOSTART 3RW22/3RW34 – Electronic Soft Starters. Legal information. Warning notice system. This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent. Always de-energize and ground the equipment before maintenance. Read and understand this manual before installing, operating, or maintaining equipment.

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Search Search term s Search. Less heat in the cabinet: They represent the compact and price-attractive alternative to start-delta starters. It is also possible to switch straight from direct to soft start because SIRIUS 3RW30 is the only soft starter in the world that offers identical sizes in a family of devices.

Motor Control Centers go. With the new Simulation Tool for Soft Starters STS we are providing a convenient way of designing soft starters using a simple, quick janual easy-to-use interface.

Advantages at a glance Transmission of current values Energy management: This is because the failure of manua devices no longer influences communication. The soft start in control cabinets can be implemented in almost any application in a simple and practical way with our complete soft starter range. Entering the motor and load data will simulate the application and prompt suggestions for suitable soft starters.


IEC Motor Control go. Manhal at a glance Quick, easy and user-friendly interface Complete and up-to-date Siemens motor database, including IE3 motors Update capable for new soft starters, motors or functions Quick simulation with only a few basic inputs Immediate display of starting curves and diagrams with limit values Table view of possible soft starters for the given application Text Enlarge.

Control Panel Design go.

Siemens Industrial Controls – Soft Starter

Starting and Protecting go. Thanks to its innovative control method, it is not just the only 2-phase-controlled soft starter in the world for use in the power range up to kW at V — respectively hp at V — because of its especially compact design, it ensures a space-saving, clear layout in the control cabinet.

Solid State Switching Devices go. Turn off more accessible mode. Designed for simple handling, the functions are exceptionally easy to use. Advantages at a Glance Soft start and soft stop Smooth starting, without steps Reduced current peaks Avoidance of line voltage fluctuations during start-up Reduced load on the power supply system Reduced mechanical load in the drive Considerable space savings and reduced wiring compared to manuual starters Maintenance-free switching Ease of handling Perfectly matched with SIRIUS devices for the control cabinet.

And the best of it all is: Skip directly to content.


Media redundancy through MRP- Thanks to the redundant design, plant and machine availability are considerably enhanced. Human Machine Interface go. The new 3RW40 soft starters in the lower power range from 5. Control Circuit Components go.

Belt slip on heater blowers or a sudden buildup of water pressure in washing installations are only two of the many problems that can occur when motors generate too much power on starting.

Solid State Control go. They avoid undesirable side effects such as mechanical bumps in the machine and mechanics or voltage drops in the main supply. Process Control Systems go.

Siemens 3RW34 series

Turn on more accessible mode. Process Instrumentation and Analytics go. All sizes equipped with a bypass contactor, resulting in lower power loss than conventional soft starters. Tools Siemens Industry, Inc. With its innovative torque control system, it can be used for drives with a power output up to kW at V — respectively hp at V — in an inline circuit or up to kW at V — respectively hp at V — in an inside-delta circuit.

Control Products Technical Information go. Miniature Circuit Breakers go.