914CE2-3

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Snap Action, Limit Switches

A snap action, limit switch is an electromechanical device designed for electrical control circuits that requires precise triggering and reliable operation. These switches are commonly installed in pressure, temperature, and position control systems. Snap-action switches are used to provide reliable and repeatable electrical on and off signals, enabling designs to be accurately maintained even when there are fluctuations in power. 914CE2-3 limit switches are widely used in a variety of industrial and commercial applications, such as automotive electrical systems, vending machines, process controls, access control, and surveillance systems.

The 914CE2-3 limit switch is a compact and robust snap-action device with a wide temperature range of -25°C to +200°C. Its construction features a positive-opening, snap-action mechanism with a standard long-curve travel of 1.5mm with a travel time ranging from 0.5 - 2.5ms. Its electrical features include a minimum rated life of 50 million operations, an operating voltage of up to 250V AC/DC, and contact bounce time of 0.5ms typical. It offers a great life cycle and reliable operation for applications which require precise and repeated operation.

The working principle of the 914CE2-3 limit switch is based on the mechanical overtraveling principle, which is triggered when an external force surpasses a predetermined contact force. When the force exceeds the pre-set level, an internal mechanical overtraveling element known as an actuator is triggered, closing or opening a circuit. The actuator is pushed by an internal spring, which keeps the switch in its default state when no external force is applied. When mechanical force is applied to the actuator, it moves against the spring force, activating the switch. The actuator returns to its original position when the force is released, resetting the switch.

The 914CE2-3 limit switch is highly reliable and provides good electrical characteristics with long-term stability. Its contact architecture is designed such that it can carry large amounts of current up to 30mA, allowing it to be used in high power applications. It also features adjustable contact force and travel to provide designers the flexibility to customize for their specific needs. It also offers a wide variety of mounting options, including panel mounting, DIN rail, and screw terminal blocks for easy installation and maintenance.

The 914CE2-3 snap-action limit switch is an ideal solution for various industrial applications that require reliable, repeatable electrical on and off signals. Its rugged construction and long-term electrical stability make it a great choice for applications such as automotive, vending machines, access control, and surveillance systems.

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