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Service&Support (Manuals, Certificates, Characteristics, FAQs,) http://support. Service&Support (Manuals, Certificates, Characteristics, FAQs,) https://support. information provided in this manual is checked at regular intervals and This manual contains notices you have to observe in order to guarantee your personal .

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Soft starters NM lb. Screw fixing with two 3RP1 push-in lugs per 3RW30 03 device. The optimized motor ramp-up and ramp-down can be effected quickly, easily and reliably by means of just a few settings with a selectable language.

On two-phase controlled soft starters the current resulting from superimposition of the two controlled phases flows in the uncontrolled phase.

As an option the thyristors can also be protected by SITOR semiconductor fuses from short-circuiting so that the soft starter is still functional after a short-circuit type of coordination 2.

Due to their extremely high ruggedness and optimum contact reliability, our contactors switch with supreme confidence. Four-key operation and plain-text displays for each menu point guarantee full clarity at every moment of the parameterization and operation. PTC sensors are recommended. An obligation to provide the respective characteristics shall only exist if expressly agreed in the terms of contract. Industrial Controls Catalog 0 1 Note: From this moment the voltage of the soft starter is controlled so that the current supplied to the motor remains constant.

During starting, these devices limit the torque as well as the current and prevent the shocks which arise during direct starts or wye-delta starts. As an option the mannual can also be protected by semiconductor fuses from short-circuiting. Operation and commissioning can be performed with 3wr4056-6bb44 menu-controlled keypad and a menuprompted, multi-line graphical display with background lighting.


In the event of deviating conditions or 3re4056-6bb44 switching frequency, it may be necessary to choose a larger device. Extremely small sizes, low power 3re4056-6bb44 and simple start-up are just three of the many advantages of this soft starter. Due to the wide setting ranges, the current range is covered with a minimum number of versions. If you wish to change your cookie settings, or learn more about cookies, click here. In case of heavy starting or increased starting frequency, a larger device must be selected.


Calculate soft starter and motor 3rw456-6bb44 size allowance where required. Thermistor motor protection evaluation, — V. An error occurred the product could not be saved. Technical specifications Type 3RW40 2. An error occurred, your message could not be sent.

They are also available on the Internet at: Soft starter selection depends on the rated motor current.

Motor Starters, Soft Starters and Load Feeders

Included in the scope of supply 3RW44 3. The control method used for these soft starters eliminates these direct current components during the ramp-up phase and prevents the braking torque which they can cause. S12 3w4056-6bb44 PB00 1 unit 0. Conductor cross-sections Auxiliary conductors 1 or 2 conductors can be connected: If the infeed transformer is dimensioned with only a small margin, it is best for the control voltage to be supplied from a separate circuit independently of the main voltage in order to avoid the potential switching off of the soft starter.


Inline circuit with main contactor Possibility 2: Rated current Ie corresponds to approx.

3RW4056-6BB44 – Soft Starter 90 kW @ 400 VAC – Siemens

Mnual selectable start value means that the soft starters can be adjusted individually to the requirements of the application in question and unlike wye-delta starters are not restricted to two-stage starting with fixed voltage ratios.

S0 connection 10 pcs. Measurement range Order no. Device versions with thermistor motor protection evaluation are available up to a rating of 55 kW at V.

Siemens Sirius 3RW40 – 90kW Soft Start with 230V controls

This additional time for the calibration should be taken into consideration to your normal delivery time. You need to register to use this feature. Our website uses cookies, from us and third parties, to personalise your experience and show 3rw40566-6bb44 products and adverts that may be of interest to you. Reduced wiring in the main circuit thanks to the brilliantly simple infeed system, incl.

Our expert team have over 25 years experience solving problems and providing expert advice. The three-phase solid-state contactors switch motors up to 7. Rated current F3 Type A Semiconductor fuses min.

This is notable in particular for higher motor ratings which are only rarely available as fully wired solutions.