51KMP30-01B07N

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A rotary switch is a device which uses a rotary knob to make and break electrical connections in an electrical circuit. The 51KMP30-01B07N model is a particularly reliable, single-pole rotary switch which is suitable for a wide range of applications. This article will discuss the application fields and working principles of the 51KMP30-01B07N.

Application Field

The 51KMP30-01B07N is primarily used in industrial, commercial, and residential applications due to its large operating temperature range (from -55 to 110°C) and its generous wiring capacity range (from 3 to 10A, with a contact rating of 16A). This switch is perfect for devices in environments with a wide variety of temperatures, such as water heaters, street lights, parking lots, alarm systems, and air conditioning units. In terms of residential applications, the 51KMP30-01B07N is suitable to be used as a doorbell switch, light switch, or fan switch.

Working Principle

The 51KMP30-01B07N rotary switch consists of a base, a shaft, and a terminal plate with blade contacts. The switch is connected to power between the base and the terminal plate. When the shaft is rotated, it rotates the switch mechanism that opens or closes the electrical circuit. This action either interrupts or creates an electrical connection between the terminal plates and the base.

The 51KMP30-01B07N has two distinct working modes: latching and momentary action. In latching action, the switch will only toggle to the next position when the shaft is rotated. This is useful for applications that require a steady state of power. In momentary action, the switch will only be in its “on” position for a short period of time. This is useful for applications that require short bursts of power.

The 51KMP30-01B07N also contains a double-break mechanism which is designed to prevent electrical overheating and improve contact reliability. This double-break mechanism interrupts the power each time the switch is operated, which ensures the switch has a long life span and superior contact reliability.

Conclusion

The 51KMP30-01B07N is a particularly reliable and efficient rotary switch suitable for a wide range of industrial, commercial, and residential applications. Its large operating temperature range and generous wiring capacity range make it a perfect choice for devices in harsh environments. Its two distinct working modes, latching and momentary action, and its double-break mechanism provide superior contact reliability and improve safety by preventing electrical overheating.

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