7405P3H3ZQE

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Toggle Switches

Toggle switches are simple mechanical devices which can be used to control the flow of electric current, either to activate a circuit, or to deactivate it. A toggle switch consists of a switch body and one or more contacts, typically made of metal, which when moved from one side to the other actuates the switch.

7405P3H3ZQE application field and working principle

The 7405P3H3ZQE toggle switch is a two-pole, two-position switch which is designed for surface mounting. It is capable of switching up to 5A at 28V AC. This switch is commonly used in industrial, commercial, and residential applications.

The 7405P3H3ZQE has two metal contacts: one designated as the Common contact and the other as the Normally Open (NO) or Normally Closed (NC) contact. When the toggle is in the middle position (with the switch plate facing upwards), the Common contact and the NO contact are bridged and the circuit is activated. When the toggle is in the left position, the two contacts are separated, which results in the electrical circuit being open and the application being turned off. When the toggle is in the right position, the Common and NC contacts are bridged, activating the circuit.

The 7405P3H3ZQE is designed to eliminate any electrical noise which may interfere or disturb the operation of the application. Its design features a 1N4007 diode across the two terminals to prevent pole reversal and a 0.1µF capacitor to protect against false switches. The body of the switch is sealed to provide protection against environmental elements such as dust and moisture.

The 7405P3H3ZQE Toggle switch is a versatile and reliable switch, capable of being used in applications such as light fixtures, motors, computer peripherals, dimmer, and sound systems. Due to its small size and ease of mounting, it is ideal for applications where space is at a premium. Additionally, its extremely low contact resistance ensures smooth operation and an extended life span.

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