Potentiometer switch offers dual control options
Electro-Mech’s new SW44994 potentiometer switch assembly offers both rotary and push-on/pull-off functionality for maximum operation control. The compact all-in-one unit saves valuable panel space in applications where there are tight design limitations.
The SPST-DPDT switch enables the user to specify a value so that at the push of a button, the circuit or channel automatically opens at the pre-set level. The SW44994 assembly features a D-flat shaft to accommodate an edge lit knob with set screw, a push-on/pull-off pushbutton switch, and a 10KΩ resistance potentiometer module.
Typical applications for the SW44994 switch include industrial/avionics displays and audio controls, instrument panel control, aircraft simulator controls and other high density panels. Previous models were only available in momentary or push-on/remain-in/push-off switching mechanisms.
Lightweight, the compact unit weighs less than one ounce and measures less than ¾” square. The SW44994 requires approximately two inches of space behind the display panel and includes solder lug terminals for wiring. PC pins are also available for direct PCB mounting.
The SW44994 is rated at 1.0A resistive at 30V DC. Potentiometer resistance is 10KΩ +10% but can be customer specified. Other features provided by the SW44994 include push-on/pull-off switch mechanism, push pressure of 52oz. (+4oz.), pull force of 36oz. (+4oz.), plunger travel of approximately 0.15” and a rated switch life of 100,000 minimum actuations.
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