DSSE22(A A)

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Snap Action, Limit Switches are widely used in the industrial community due to their reliability and rugged construction. One of the most widely used such devices is the DSSE22(A A) Snap Action Limit Switch. This switch is a hermetically sealed, double- pole, double-throw (DPDT) switch which utilizes a pinion gear and cam arrangement to quickly move the actuator between the alternating states.

This type of switch is activated by an external force, such as a lever, arm, or cam mechanism, which engages and disengages the contacts and positions the actuator between the two distinct positions. The switch is designed to provide a reliable contact closure for many millions of cycles, even in harsh operating environments.

The DSSE22(A A) Snap Action Limit Switch is used in a variety of industrial applications ranging from automotive, electronic, telecommunications and medical devices to hazardous environments such as oil, gas, and hazardous liquid applications. The application of this switch can be within tight working spaces or where hazardous materials or chemicals are present.

The working principle of the DSSE22(A A) snap action limit switch is that when the external force is applied to the actuator, it causes the pinion gear to engage and move the actuator between the two alternate switch positions. As the actuator moves, the operating cam rotates and the contacts separate or close depending on the direction of the force acting upon the switch. This action creates an open or closed circuit which, in the case of the DSSE22(A A), is a double-pole, double-throw (DPDT) switch.

When the external force is removed from the actuator, the pinion gear disengages and the actuator returns to its neutral position. This action reopens or closes the circuit between the contacts depending on the movement of the actuator. The DSSE22(A A) is designed with a positive opening and closing motion, making it a reliable switch for industrial applications.

The DSSE22(A A) Snap Action Limit Switch is designed for long-term use and simple installation. The rugged design of the switch allows for long service life and minimal maintenance. Furthermore, the switch is designed to maximize performance by providing a reliable contact closure even in harsh environments and tight spaces. The use of the DSSE22(A A) in industrial applications is ideal for those that require a reliable switch that can handle a wide range of conditions.

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