D4SL-4PDA-DN

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Snap action, limit switches are frequently used in automation system, which interact with machine mechanism to control their motion and position.

D4SL-4PDA-DN is one of the snap action, limit switch series applied in industrial automation control. It’s a global product and has high accuracy and good adaptability, also with a wide selection of contact combinations and contacts types.

The working principle of this series of snap action, limit switches depends on a single pole double throwing (SPDT) spring-loaded button, which can be moved freely to one side when power is supplied, and automatically return to original position when the power is shut off.

D4SL-4PDA-DN series provide a variety of contact combinations and contact types, including 1NC+1NO, 1NC+2NO, 2NC+2NO, and various others. It also features multiple connection modes, including screw or solder terminal, plug-in/quick connect terminal and PC board/surface mount terminal.

In terms of external shape, its housing is made from rust-proof stainless steel and equipped with flat operating head, sealed cover and waterproof boot. It’s also equipped with an LED light indicator, helping the user to eafily monitor the status. This series of snap action, limit switches are IP67 protection level, essential for tough environment applications.

To ensure proper function, this snap action, limit switch series is designed with differenttrip angle andtrip force. Trip angle is the angle of the switch in its active position, while trip force is the force required to move the switch from inactive position to its active position. The trip angle provides good sensitivity under different settings, and trip force can be adjusted to match the settings.

This snap action, limit switch is also with high reaction speed. It has been used in automotive industry for both self-diagnosis and limp home of engine control units to ensure safety as well as reliability. It can also be used in other industrial machinery, automated equipment, construction machinery, forklifts and so on.

In summary, D4SL-4PDA-DN is a versatile and high performance snap action, limit switch series, with high accuracy and good adaptability, suitable for many industries. It’s also featured with LED light indicator, adjustable trip force and angle, waterproof and dustproof feature, high reaction speed, meeting all requirements of the industry.

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