TPWDS-SSE-2

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Disconnect switch components are usually encountered in industrial processes and as part of asafety and operational system. TPWDS-SSE-2 is one such component, designed to provide reliable switching solutions for remote, local and semi-automatic operation. The general principles and theory of operation of this switch in application fields are discussed in this article.

Introduction

TPWDS-SSE-2 is a type of safety switch with three wiring positions, i.e. local, remote and semi-automatic. It is commonly used in industrial applications which require high levels of reliability while switching power to different sets of components. This type of switch is designed to improve the operational safety and reduce the complexity and cost of switchgear. This is achieved by providing a common busbar combined with process-level protection. TPWDS-SSE-2 has a lower contact rating of 1A and a higher contact rating of 125A. This switch has several design advantages such as robust construction and reliable safety operation. It is also designed for greater cycle life and uses contact blocks for contact assemblies.

Working Principle of TPWDS-SSE-2

The TPWDS-SSE-2 switch operates on a very simple concept. The two types of switching positions are activated or deactivated using a control knob or a handle. Depending upon the need, the switch can be operated manually, remotely via a push button, or semi-automatically through a programmable device. To operate the switch, the contact block requires a reset button which is then operated by means of a cam lever. The cam lever is the primary control element of the switch and is designed to rotate when the reset button is pressed. This triggers the switching action and eventually deactivates the respective contact block.

The TPWDS-SSE-2 switch utilizes a fail-safe design principle. This means that when the switch is off, the contact blocks are always blocked and when the switch is on, the contact blocks are always released. This ensures that the power is always switched off safely, protecting the user from accidents, and also maintains the safety of other equipment and personnel around the switch. The switch also has an indicator to show the status of the switch. This is important for monitoring the switch and its state of operation.

Application Field of TPWDS-SSE-2

The TPWDS-SSE-2 switch is primarily used in industrial processes where a high level of reliability while switching power to different sets of components is required. It is commonly found in applications such as manufacturing plants, pharmaceutical industries, food processing plants, nuclear power plants, water treatment plants and steel mills. In addition, this switch is also used in public service sectors such as in hospitals, airports, train and bus stations. It is suitable for control circuits with high switching frequency which require frequent contact block changes, as it is designed for greater cycle life.

TPWDS-SSE-2 is also widely used in hazardous areas in industrial sites. The switch has a low contact rating of 1A which allows it to be used in sensitive processes, and a high contact rating of 125A which ensures that the contact blocks can handle higher current flows. This makes it ideal for applications in hazardous conditions where a higher rating is required.

Conclusion

The TPWDS-SSE-2 switch is a useful component in industrial processes where a high level of reliability while switching power to different sets of components is required. It is suitable for hazardous areas and capable of handling high current flows. It is designed for greater cycle life and is usually operated manually, remotely or semi-automatically. This switch has an indicator to monitor its status and a fail-safe design principle for safety purposes.

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