3RW4028-1BB14

Kirjeldus

Sirius soft starter S0 38 A

Soft starter SIRIUS 3RW40 for standard applications enables smooth starting and ramp-down of three-phase asynchronous motors.

Technical details:

• Current: 38 A
• Power: 18.5 kW/400 V
• Temperature: 40 °C
• Voltage: 200-480 V AC, 110-230 V AC/DC
• Terminals: Screw terminals
• Approvals: Worldwide approvals (e.g. IEC and UL/CSA), applicable to hazardous areas (ATEX or IEC Ex)
• Control supply voltage options: 24 V control supply voltage available

Customer benefits:

• Soft starting and ramp-down reduce current peaks and prevent supply voltage fluctuations during startup.
• Reduces load on the power supply network and mechanical load in the drive.
• Space and wiring savings compared to star-delta (wye-delta) starters and frequency converters.
• Maintenance-free switching and extremely easy handling.
• Integrated bypass allows for compact construction with low heat dissipation.
• Intelligent monitoring functions protect against overheating and overload.
• Remote reset for quick fault clearing from a distance.
• Optional modules enhance the system’s capabilities and design compactness.

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