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Contactors (Solid State)

DP4RSC60D40B8 application field and working principle

DP4RSC60D40B8 contactors are widely used in many industries and applications. These contactors are solid state contactors with fast switching speeds and short circuit protection capabilities that make them ideal for use with energy efficient motor drives and other high-power, high-capacity applications.

The DP4RSC60D40B8 contactor is a 4-pole device comprised of semiconductor switching elements and ac switching elements. It enables switching of motor circuits rated up to 400A. The standard contactor is able to provide 50,000 operations (open/close) at 400A and 250,000 operations at 250A, making it one of the most reliable contactors available today.

The DP4RSC60D40B8 contactor contains a thermal shock-resistant bimetallic overload releases and a surge protector. It also includes a bypass contact that enables operation even when the contactor is in an insufficient power state. The contactor is rated IP40, has an insulation voltage of 440VAC and a rated motor power of 200kW.

The DP4RSC60D40B8 contactor operates by turning off the circuit when an overcurrent or a temperature-controlled overload occurs. It automatically resets after the overload condition has been eliminated. It also provides a short circuit protection feature that prevents it from permanently locking in an on position should a short circuit condition occur. The contactor is further equipped with a thermistor that prevents it from switching too quickly.

The DP4RSC60D40B8 contactor is ideal for use in a variety of applications including motor drives, air conditioning, heating and ventilation systems, welding operations, and other high-power applications. It offers outstanding performance and reliability in a compact, easy-to-install design. The contactor\'s advanced features and high efficiency make it a top choice for industrial motor control needs.

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