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The 3RA11 direct starter Ready for immediate use: Installed in starters delivered after December The motor is connected to the soft starter with three cables. Industrial Controls Catalog 0 1 Note: 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.

As an option the thyristors can also be protected by semiconductor fuses from short-circuiting. The Win-Soft Starter selection and simulation program can be downloaded from: The 3RW40 additionally offers soft stopping as well as integrated intrinsic device and motor protection functions, thanks to which an additional overload relay is unnecessary.

90kW Soft Starter S6 162A 230Vac

The Intertek calibration certificates include:. During operation and amnual control voltage is applied, the display field continuously presents measured values and operating values as well as warnings and fault messages.

Parenting Week 10 Vocabulary 1. And if ever the soft starter trips, various reset options are available the same as with intrinsic 3rw4056-6bb444 protection and motor load protection: These tables present sample set values and device sizes. As the result of this function the actual motor ramp-up can well take longer than the ramp time selected on the soft starter.


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

Also the connecting modules for direct-on-line, reversing and star-delta starters are available with spring-loaded connection system to support the mounting of complete feeders without tools. A bypass contact system and solid-state overload relay are already integrated in the 3RW44 soft starter and therefore do not have to be ordered separately. Family information Series description Mechanical load-bearing elements in machine protected when starting and stopping Efficient protection of system against high switch-on peaks by means of reduced current consumption Optimum adaptation to drive task 3rw4056-6bb44 means of individual potentiometers for starting voltage, acceleration and deceleration time and adjustable current limitation Saving on installation by means of simple 4-core motor feeder Integral inherent appliance protection system prevents appliance from being overloaded Manual or remote reset.

If the detected deviation is too large in relation to factory specification, adjustment of your data logger or measuring instrument will be required. Synchronous Motor, 4 W, 7 mm, SP3 2. Due to two-phase control, the current is kept at minimum values in all three phases throughout the entire starting time. Design highlights Alternatively, also conventional wiring is supported: Configuration, installation, wiring and maintenance can be realized easily and in minimum time. J 0 Screw connection: Thanks to the integrated motor overload protection according to IEC there is no need of an additional overload relay on the new soft starters.

Only private customers can order as guest. The Intertek calibration service provides the assurance that your instruments perform as stated in the datasheet. Can I return the calibrated item if I am not satisfied with the device itself?

The infeed transformer must always be dimensioned such that the voltage dip when starting the motor remains within the permissible tolerance.


Spring-loaded connection busbar adapter: Can I get my instruments re-calibrated and is it necessary? Device versions with thermistor motor protection evaluation are available up to a rating of 55 kW at V.

For optimized motor starting and stopping the innovative SIRIUS 3RW44 soft starters are an attractive alternative with considerable savings potential compared to applications with a frequency converter. More about lead time.

All elements of the main circuit such as fuses, controls and overload relays should be dimensioned for direct starting, following the local short-circuit conditions. This facilitates diagnostics and maintenance, and it shortens response times for service purposes. The bypass contacts of these soft starters are protected during operation by an integrated solid-state arc quenching system.

The bypass contacts already integrated in the soft starter bypass the thyristors after a motor ramp-up is detected. This reliably prevents heating of the switchgear environment. If necessary, Type higher values for the rated operational voltage or current must be calculated accordingly for the soft starter. Available for 3RW40 2. Actual start times are load dependent.

3RWBB44 Soft Starter 90 kW @ VAC Siemens

These types of coordination are indicated in the Technical specifications by gray backgrounds. At the same time this soft starter comes with additional integrated functions such as adjustable current limiting, motor overload and intrinsic device protection, and optional thermistor motor protection.

For fuse and switching device coordination, see “Technical specifications”.