91MCE28-P2

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Snap action and limit switches are used in many diverse applications. The 91MCE28-P2 is an example of this type of switches and is specifically designed to be used in motor feedback sensing, position sensing and temperature control applications.

The 91MCE28-P2 is a single pole double throw (SPDT) switch type with a built-in dual- pole magnetic triggering system. It is rated for up to 35A at 125/250V AC, up to 3A at 24V DC, and is enclosed in an IP-67-rated aluminum die-cast housing. The switch features a normally open N.O contact, a normally closed N.C contact and a magnetically operated contact (M) which is actuated when the 91MCE28-P2 is inserted between a magnet and the metal target surface.

The 91MCE28-P2 application field and working principle can be further broken down into two main categories. The first is motor feedback sensing. This function is used to detect position and speed changes while the motor is running, such as motor starting and stopping, or acceleration and deceleration characteristics. The switch uses the magnet, in combination with the metal target surface, to sense changes in motor position and current.

The second application field and working principle of the 91MCE28-P2 is temperature control. In this method, a thermocouple, RTD or thermistor is used in combination with the switch. When the thermocouple, RTD or thermistor detects a temperature change, the 91MCE28-P2 contacts open or close depending on the temperature.

The 91MCE28-P2 is a versatile switch, providing reliable and accurate control in numerous motor feedback and temperature control applications. Its small form factor, IP-67 rating and long-term motor feedback and temperature control capabilities make it an ideal solution for many industrial and commercial applications.

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