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Siemens SIRIUS 3RW4074-6BB35

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3RW4074-6BB35

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The 3RW4074-6BB35, a product from Siemens, is a soft starter designed to facilitate controlled motor start-up. It operates at a rated voltage of 400 V and has a maximum current rating of 7.5 A, providing steady power consumption of 3 kW.

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Technical specifications for 3RW4074-6BB35

ManufacturerSiemens
Product TypeSoft Starter
Product LineSIRIUS
Part Number3RW4074-6BB35
UPC754554923017
Weight15.00 lbs (6.80 kg)
SeriesBreakers
Rated Voltage400 V
Rated Current7.5 A
Power Consumption3 kW
Mounting TypeRail mounting
Control Voltage24 VDC
Temperature Range-20°C to 60°C
Degree of ProtectionIP20
Output Current7.5 A
Input Frequency50/60 Hz
Response Time50 ms
Overload ProtectionYes
Communication ProtocolModbus RTU
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Siemens' soft starter, model 3RW4074-6BB35, is tailored for effective motor management. It accepts a rated voltage of 400 V and supports a current of up to 7.5 A. This device operates with a power consumption of 3 kW, ensuring reliable energy use. With compact dimensions of 100 mm in width, 85 mm in depth, and 175 mm in height, it is designed for rail mounting, making it space-efficient within control panels.

Operating effectively across a temperature range from -20°C to 60°C, this soft starter is suitable for a variety of environmental conditions. It boasts an IP20 protection rating, indicating some resistance to ingress by solid objects but requiring care against moisture exposure. Input frequencies supported range from 50 Hz to 60 Hz.

The 3RW4074-6BB35 features a quick response time of 50 ms, contributing to rapid motor control. Overload protection is integrated, ensuring the connected motor is safeguarded against excessive currents. Additionally, the unit implements Modbus RTU for its communication protocol, allowing for seamless integration into automation systems for data monitoring and control.