khởi động mềm hạ áp RVS DN 1000-1200V

Which soft starter is considered as the most reliable soft starter in todays’ Industrial and Marine markets ?
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RVS DN 1000-1200V

Advantages at a Glance:

• Eliminates high inrush current and damaging mechanical shock
• Third generation microprocessor circuitry
• Heavy duty design: 50°C ambient temperature
• Soft, smooth, stepless acceleration & deceleration
• Reduced inrush current & mechanical shock
• Power factor capacitors can be connected directly to the upstream contactor
• Unique starting & stopping characteristics
• Sophisticated motor protection package
• User friendly, easy installation and operation
• RS485 Communication with MODBUS, PROFIBUS or MODBUS/TCP protocols (others available on request)
• Wide 45-65Hz Auto-tracking frequency range combining special software with unique hardware arrangement allowing starting and stopping while the frequency variates (designed for Marine, Offshore and Generators operating under continuous frequency variation
• Unique features such as: Pump Control Program, Dual Adjustment, Slow Speed with Electronic Reversing, Energy Save, etc.
• Torque and current starting & stopping characteristics

Sophisticated Motor Protection – RVS-DN

• Long start time (Stall protection)
• Electronic shear-pin (Jam) with adjustable curves and delay
• Electronic overload with selectable curves
• Under current with programmable auto reset
• Phase loss
• Phase sequence and Under/Over frequency
• Under/Over voltage with programmable auto reset
• Load loss (broken drive belt)
• External fault
• Shorted SCR
• Starter over temperature protection
• Motor insulation test (option)
• Motor thermistor (option)
• When using “Preparation for Bypass” all protective functions remain active