Siemens releases new SIMOTICS SD200, a severe-duty motor in frame size 440 as its latest offering in the low-voltage SIMOTICS motor family.
At this year’s annual EASA Convention and Solutions Expo in Fort Worth, TX, Siemens announces the immediate availability of the SIMOTICS SD200 severe-duty motor in frame size 440 as its latest offering in the low-voltage SIMOTICS motor family.
Providing high productivity and energy-efficient operation in all torque ranges, these new cast-iron NEMA motors are built to power pumps, fans, compressors, hoists, winders and similar equipment in harsh environments. With a three-year warranty, the SD200 motors offer 75-800 hp output and feature 444-5013 cast-iron frames for operation in 460V and 575V ranges. They meet or exceed NEMA Premium® MG1 Table 12-12 efficiencies. A wide selection of options is offered, including IP56 ingress protection, encoders, brakes, and blowers plus others to suit the applications presented.
On these motors, the frame, end-shields, fan guard and easy-access, diagonally split, oversized terminal box are all cast-iron. Complementing this construction are zinc-plated hardware, epoxy paint and stainless-steel nameplates for long life and easy identification in the field. A unique offset rotor bar provides improved efficiency, while larger bars and end rings reduce resistance. Each die-cast aluminum rotor assembly is dynamically balanced for extended bearing life and includes a high-strength C1045 carbon steel shaft for maximum performance. Premium C5-grade steel laminations and copper magnet wire are standard.
For insulation, the Class-H non-hygroscopic system with NEMA Class B temperature rise provides an extra margin of thermal life. The insulation system meets or exceeds NEMA MG1 2014 Part 31, making these motors suitable for variable speed drives in constant torque (4:1) and variable torque (20:1). All windings are tested for Corona Inception Voltage (CIV).
The Siemens Product Manager for Low-Voltage NEMA Motors, Oscar Palafox, explains, “One of the features of the SD200 is its flexibility in the field, as the motor can be switched from F1 to F2 and F3 orientation with ease. Plus, the safety features on this new line are unmatched by competition. Full H-Class conformity provides winding protection, while the swivel hooks are a significant improvement over eyehooks for handling of these heavy units. In addition, the unique Siemens composite insulation on the SD200 is a cost-saver over the ceramic bearing alternative with ten times the resistance of other solutions in the market. Finally, the NEMA Premium® efficiency is a guarantee of long performance life with very tight deviation of losses. Shaft current remains more consistent for better uptime.” Palafox further notes this new line affords users Division II, Class 1 (gas) and Class 2 (dust) protection.
Siemens SIMOTICS SD200 frame size 440 low-voltage, severe-duty AC motors will be introduced at EASA 2021. They are designed for use in the harsh environments of oil-and-gas / petrochemical, grain, rock product, plus food-and-beverage and other
markets with Division II, Class 1 and 2 conditions present.
For more information regarding SIMOTICS SD200 motors, please visit: http://usa.siemens.com/simotics-sd200
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Siemens Corporation is a U.S. subsidiary of Siemens AG, a global powerhouse focusing on the areas of power generation and distribution, intelligent infrastructure for buildings and distributed energy systems, and automation and digitalization in the process and manufacturing industries. Through the separately managed company Siemens Mobility, a leading supplier of smart mobility solutions for rail and road transport, Siemens is shaping the world market for passenger and freight services. Due to its majority stakes in the publicly listed companies Siemens Healthineers AG and Siemens Gamesa Renewable Energy, Siemens is also a world-leading supplier of medical technology and digital healthcare services as well as environmentally friendly solutions for onshore and offshore wind power generation. For more than 160 years, the company has innovated and invented technologies to support American industry spanning manufacturing, energy, healthcare and infrastructure. In fiscal 2018, Siemens USA reported revenue of $23.7 billion, including $5.0 billion in exports, and employs approximately 50,000 people throughout all 50 states and Puerto Rico.