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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Siemens 3RW34 series

Entering the motor and load data will simulate the application and prompt suggestions for suitable soft starters. And the best of it all is: Turn off more accessible mode. 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.

Human Machine Interface go. Solid State Switching Devices go.

Siemens Industrial Controls – Soft Starter

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


Control Circuit Components go.

Motor Control Centers go. 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.

This is because the failure of individual devices no longer influences communication. They represent the maunal and price-attractive alternative to start-delta starters.

Advantages 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.

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. Less heat mznual the cabinet: Skip directly to content.

Control Panel Design go. Search Search term s Search.

Designed for simple handling, the functions are exceptionally easy to use. Advantages at a glance Transmission of current values Energy management: Miniature Circuit Breakers go. Solid State Control go.

Starting and Protecting go. With the new Mqnual Tool for Soft Starters STS we are providing a convenient way of designing soft starters using a simple, quick and easy-to-use interface.


Media redundancy through MRP- Thanks to the redundant design, plant and machine availability are considerably enhanced. Control Products Technical Information go.

Turn on more accessible mode. 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.

IEC Motor Control go. All sizes equipped with a bypass contactor, resulting in lower power loss than conventional soft starters. The new 3RW40 soft starters in the lower power range from 5. They avoid undesirable side effects such as mechanical bumps in the machine and mechanics or voltage drops in the main supply. Process Instrumentation and Analytics go. 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 other starters Maintenance-free switching Ease of handling Perfectly matched with SIRIUS devices for the control cabinet.

Process Control Systems go.