3RW4038-1BB04

Description

SIRIUS soft starter S2

The SIRIUS soft starter S2 is designed for the soft starting and ramp-down of three-phase asynchronous motors in standard applications.

Technical details:

• Current: 72 A
• Power: 37 kW/400 V
• Temperature: 40 °C
• Voltage: 200-480 V AC, 24 V AC/DC
• Connection: Screw terminals
• Compatible with supply systems up to 690 V
• Integrated bypass for compact construction
• Remote reset function
• Worldwide approvals (e.g. IEC and UL/CSA)
• Thermistor motor protection available for certain models

Customer benefits:

• Soft starting and reduction of current peaks
• Prevention of supply voltage fluctuations during startup
• Reduction of load on the power supply network
• Reduction of mechanical load in the drive
• Considerable saving of space and wiring compared to star-delta starters and frequency converters
• Maintenance-free switching and extremely easy handling
• Intelligent monitoring functions protect against overheating and overload
• Optional fan for even more compact design in the control cabinet
• Simple, efficient, and always up to date with SIRIUS modular system

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