121EN93-2

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The 121EN93-2 is a type of snap action limit switch which is primarily used in low-voltage, low-current applications in particular. This type of switch is suitable for use in environments without significant exposure to dust, dirt, water, oils, organic solvents, acids, and alkalis. Typical applications for 121EN93-2 switch include limit switch for controlling equipment, limit switch for controlling motors, and limit switch for controlling other electrical devices.

The 121EN93-2 switch has a compact size and low profile, and features a snap action mechanism that can provide reliable operation with minimal maintenance and no added external actuators. Its operating life is typically more than 10 million operations, and it can provide a high degree of reliability in electrical system applications. It is also highly temperature resistant, and it is able to tolerate temperature swings of up to 500 degrees Celsius.

The working principle behind the 121EN93-2 switch is that it uses an inertial element (such as a heavy weight or a spring) to cause a snap action when the switch is activated. The inertial element is connected to a set of internal contacts, and when the switch is activated, the inertial element causes the contacts to compress, creating a connection between them. When the inertial element returns to its original position, the connection breaks.

The switch is characterized by a low contact resistance, and its maximum switching current is 72 mA. Its maximum switching voltage is 220 V, and its mechanical life is typically more than 10 million operations. It also features both normally closed and normally open contacts, allowing it to be used for a variety of applications. It is also RoHS compliant, making it an environmentally friendly solution.

The 121EN93-2 is a reliable and economical solution for low-voltage, low-current applications and its small size, low profile, and durable design make it well-suited for a wide range of applications. Its snap action mechanism is reliable and requires minimal maintenance, and its RoHS compliance is an added bonus for environmentally conscious users. It is also highly temperature resistant and can withstand a wide range of temperatures.

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