51KMT30-01B10N

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A 51KMT30-01B10N rotary switch is a type of switch where the user can manually rotate between different outputs. This type of switch is commonly used to control the switching of various voltage and current sources, as well as provide mechanical control, often in a contactor or motor starter. It is common in industrial and commercial settings, as it provides a way to quickly, securely and accurately switch between different outputs or sources.

Overview

The 51KMT30-01B10N is a seven-pole, ten-position rotary switch containing a silver plated copper contact system. It is typically rated for 480V AC, with a continuous current rating of 16A. It is UL (Underwriters Laboratories) recognised, and is RoHS compliant. The switch is usually form C contacts and has a single-pole multi-throw (SPDT) configuration.

Application Field

The 51KMT30-01B10N is commonly used in a wide range of industrial and commercial applications, including powering motors, controlling contactors, and providing adjustable current limits. Additionally, it is widely used in panel boards, process control systems, and factory automation. The switch is usually used for applications involving higher currents, due to its robust construction and UL rating.

Functionality

Rotary switches are typically spring-loaded, which allows them to automatically return to the off position when not being used. They also feature an internal locking mechanism to prevent unintended changes. When rotated to one of the ten switch positions, the switch will make a mechanical connection to the corresponding output terminals. These terminals are generally connected to other electrical components in order to provide a signal, control a circuit, or complete a circuit. These types of switches are typically able to withstand repetitive switch cycles.

Operating Principles

The operating principle of a 51KMT30-01B10N switch is centred around its switch arms and commutator assembly. When the switch is rotated, the commutator assembly makes contact with the contact arms, thus forming an electrical connection between the two switch terminals. The switch is powered via an external power source, typically of 240V or 480V AC. This electrical power is then routed to the respective contact arms, which in turn drive the associated circuit. When the switch is rotated, the contact arms move along their respective arc paths, forming an electrical connection between the two switch terminals.

Conclusion

The 51KMT30-01B10N rotary switch is a reliable and cost-efficient switch solution for industrial and commercial applications. Its robust design and UL rating make it perfect for applications involving higher currents, such as powering motors, controlling contactors, and providing adjustable current limits. Moreover, its rotating commutator and contact arms allow for quick and reliable switching between different outputs, all while preventing against unintended changes.

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