Soft Starter Siemens 3RW4074-6BB44

Soft Starter Siemens 3RW4074-6BB44

SIRIUS 3RW20 Motor Starter

This motor starter can be integrated into a control system that uses other Sirius control products, for example, 3-pole circuit breakers from the 3RV10 range (refer to motor controllers).

Features

  • Biphasic control with soft start and stop of three-phase asynchronous motors
  • Low power loss
  • Adjustable starting voltage between 40% and 100% of the rated voltage
  • Integrated bypass contacts
  • DIN rail mounting
  • Compact design and dimensions
  • Status indication
  • Solid-state motor overload protection and intrinsic device protection
  • Adjustable current limitation
  • Optional thermistor motor protection (up to size S3)
  • Integrated remote reset (up to size S3)
  • Integrated auxiliary contacts with automatic hold-in and end of start. The automatic hold-in contact is used for locking when the control is given by a simple pushbutton on/off configuration. The end of start signal can be used with other plant components, such as pumps

Applications

Ideal replacement for DOL and Star-Delta starters.

Note: The depth dimension indicated is the total depth for each unit.


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