404EN240-RB

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Snap action, limit switches are used to detect the presence or absence of a physical entity and may be used as a signal generator. Unlike other types of switch-like devices, such as toggle switches, rotary switches andtimers, a limit switch must be specifically designed for the switch-like operation it is intended for. The purpose of a limit switch is to detect the presence or absence of an object, and to generate a signal or an alarm when the switch is activated or deactivated.

404EN240-RB is an NEMA 4X-Rated, 30,000-cycle tested, momentary action, double break, SPDT contact limit switch with built-in capacitive sensing. It offers a two-stage contact system in order to provide greater sensing accuracy and greater mechanical shock resistance. This type of switch also has a precision-machined pivoting plunger. It is a screwless device with a self-grounding housing with a four-pole design.

The 404EN240-RB application field includes conveyors, printing presses, packaging machines, pick and place applications, material handling systems and more. Long-term stability and repeatability of these switches make them suitable for industrial automation applications. The mechanical design of the switch enables it to prevent false activations due to vibration and also provides a wide range of operating temperatures.

The working principle of the 404EN240-RB is as follows: When the switch is activated, the plunger is pressed down by the object and the contacts close. This closes the circuit, producing a signal. When the switch is reset, the object is removed and the plunger returns to its original position and the contacts open. This serves as an indication that the object has been removed, breaking the circuit and producing an alarm.

The 404EN240-RB is designed to be used in conjunction with diagnostic circuitry, such as over-travel or status monitoring. This enables the switch to provide accurate sensing of the presence or absence of an object. This switch offers excellent repeatability, long-term stability and low current operation through its unique design.

The 404EN240-RB is a robust, durable and long-lasting limit switch, making it an ideal choice for reliable sensing in industrial automation applications. It is also easy to integrate this switch into existing systems, and its two-stage contact system ensures greater sensing accuracy and greater mechanical shock resistance.

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