Switches

Switches

Industry: Electronic components

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Switches

Movable contact

Electronic components; Switches

The contact moved by the switch actuator into and away from contact with a fixed contact thus forming the electrical circuits possible for a given device.

Normally open (NO)

Electronic components; Switches

Normally open contacts are open when the switch actuator is in its unactuated or resting position.

Oil-tight

Electronic components; Switches

A generic term for a panel seal commonly used in industrial settings. Defined by NEMA standard.

Moisture proof

Electronic components; Switches

Sealed switch will withstand high humidity and limited exterior environment such as rain.

Momentary action

Electronic components; Switches

Mechanically returning from a temporary switch position to the normal switch position

Operating temperature

Electronic components; Switches

The range of temperature within which the device may be used.

End of life criteria

Electronic components; Switches

Those specifications that a switch must meet at the end of its specified electrical life. Typically contact resistance and/or heat rise of contacts at full rated load at end of life.