21SM284

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The 21SM284 Snap action, Limit Switch is an electromechanical component that provides an electrical contact when an internal actuating structure is activated. It is primarily used in industrial applications as a safety component, or to indicate and control the position of a movable part, from the operation of a power circuit. The 21SM284 Snap action, Limit Switch has several features which make it ideal for certain applications.

Design:The 21SM284 Snap action, Limit Switch is a single, Momentary Action normally closed type of switch. It consists of a switch body, an actuating lever and a stationary contact. The lever is operated by an electromechanical actuator, typically a roller armature, which moves across the face of the switch and snaps back when the power to the actuator is switched off. This motion causes a metal arm to extend and contact the stationary contact, making an electrical connection.

Operation:The 21SM284 Snap action, Limit Switch provides an electrical contact when its actuating structure is activated. A normally closed type of switch, the 21SM284 closes when an electrical current is applied to its actuator. When the current is switched off, the actuating structure returns to its original position, opening the electrical contact. This action is referred to as “snap action”, and is used to provide a reliable and repeatable operation of the switch in a number of applications.

Applications:The 21SM284 Snap Action, Limit Switch is found in a variety of industrial applications, and is frequently used in combination with other components in the control circuit. It is used to provide a reliable and repeatable operation of the switch, and is well suited for applications in safety isolators, motor control switches and circuit breakers. Other common applications include machine tools, industrial machinery, automotive manufacturing and other industrial equipment.

Advantages:The 21SM284 Snap action, Limit Switch offers many advantages, most notably its durability and reliability. The extended switch arm extends past the switch body and contacts the stationary contact, ensuring a reliable contact and making it suited for use in a variety of applications. Furthermore, the switch is designed with a dielectric strength of up to 500 Volts, which makes it suitable for use in a variety of electrical installations.

In conclusion, the 21SM284 Snap action, Limit Switch is an electromechanical component that provides an electrical contact when the actuating structure is activated. It is a reliable, durable and repeatable switch, which is well suited for use in a variety of industrial applications. The 21SM284 Snap action, Limit Switch offers many advantages, most notably its durability and reliability, and its dielectric strength of up to 500 Volts. The switch can be used in a variety of applications, including safety isolators, motor control switches and circuit breakers.

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