17SX21-T

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Snap action, limit switches, such as the 17SX21-T, are an essential part of many industrial, commercial, and home applications. As their name implies, these switches are designed to limit or prevent excessive pressure or mechanical stress from damaging electrical equipment. Snap action limit switches contain components that allow them to quickly change from an open position to a closed position without any user interaction. This allows for quick and convenient operation of machinery, as well as providing protection against overloading.

The 17SX21-T snap action limit switch is a multi-pole, momentary contact machine tool. It has a contact rating of 12 A @ 250 VAC and is designed for use in a wide range of applications. The 17SX21-T is constructed of durable brass, aluminum and stainless steel components, providing maximum life and reliable performance.

The primary components of the 17SX21-T snap action limit switch include a base, a switch, a control knob, and a roller arm. The base serves as the mounting point of the switch, providing a secure attachment to an application surface. The switch consists of a stationary contact and an actuating contact. The stationary contact is located in a fixed position within the housing of the switch, while the actuating contact is attached to the roller arm of the switch. When the control knob is engaged, the roller arm moves along the length of the base, causing the actuating contact to move in contact with the stationary contact, resulting in the completion of a circuit.

The 17SX21-T snap action limit switch is commonly used in applications where control over a range of movements is required. The unit is often used for controlling variable speed motors, or for controlling machines that require quick opening and closing of the circuit. The snap action of the switch provides reliable operation and can also be used to prevent accidental activation of electrical systems.

The 17SX21-T snap action limit switch requires a minimum of two wires for connection. The two wires connect the actuating contact to the stationary contact and complete the circuit. The control knob of the switch can be connected either directly to a power source or by using a relay. The design of the 17SX21-T makes it ideal for applications where the switch needs to be placed in tight fitting spaces, or in applications where the switch needs to operate without any user interaction.

While the 17SX21-T snap action limit switch is designed for easy installation, troubleshooting and maintenance can be difficult. It is important to ensure that the switch is correctly wired and all contacts are free of corrosion. Electrical contact cleaners should be used on a regular basis to ensure good connections and reliable operation. Furthermore, any signs of external damage should be checked and repaired to ensure proper functioning.

The 17SX21-T snap action limit switch is perfect for any environment that requires quick action and reliable performance. It is especially suitable for applications requiring safety and efficiency, such as controlling electrical motors or preventing overloading of an electrical circuit. With its durable construction, easy installation, and reliable operation, the 17SX21-T is the perfect choice for any environment.

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