Fact Sheet VLT® Soft Starter MCD 600 delivers superior performance for fixed-speed applications Integrated bypass delivers all-round cost savings The VLT® Soft Starter MCD 600 combines the latest in advanced controls and protections with an increased level of intelligence for superior performance in fixed-speed applications. The MCD 600 is more flexible than ever to install, thanks to a wide variety of Ethernet and serial-based communication option cards, application-dedicated smart cards and support for eight languages. The integrated bypass ensures both extremely high efficiency and harmonic- free operation at full speed, reducing energy consumed and required cooling capacity. Ease of use is also greatly increased with new capabilites, such as the pump-clean function, PowerThrough operation, and calendar or run time-based scheduling. Furthermore, enhanced protection ensures more uptime. Mains voltage range 3 x 200-525 VAC (T5) 3 x 380-690 VAC (T7) Current range and enclosure S1 / IP20 : 20 - 129 A FLC S2 / IP00: 144 - 579 A FLC S3 / IP00: 654 - 1250 A FLC Bypass configuration Select the best configuration for your application: S1, S2, S3 : Built in bypass contactor S2, S3 : No bypass S3 : External bypass External bypass increases FLC performance by up to 30% Feature Intuitive application setup Extended simulation mode with full simulation of start behaivor Built-in timers and schedulers Pump Clean (Deragging) function Reverse control function Power Through function Emergency mode Benefit Save commissioning time. Test your soft starter without connecting mains supply or motor. Easy to set up a timer. No need to install external controller or components. More uptime and longer pump life. Run the MCD 600 in both forward and reverse directions. MCD 600 will maintain full control over starting current and protection. To use this function, install a reversing contactor in the application. More uptime - bypasses damaged components to keep your motor running. Asset protection - keeps the pump or fan running for as long as possible in an emergency. Speed Current (% motor full load current) 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0 Time Three Adaptive Acceleration Control (AAC) start profiles; early, constant and late acceleration 700% 600% 500% 400% 300% 200% 100% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Rotor speed (% full speed) Constant current/current ramp – here shown with kickstart drives.danfoss.com
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