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Showing Results For: Cable Pull Switches
An emergency halt may be notified at any location along a wire up to 165 feet long, thanks to the XY2-CE and XY2-CH cable pull switches. Conveyor systems, packing, textiles, transfer devices, presses, woodworking machinery, and paint lines are typical uses.
The taut cable concept underlies operation. The cable must be secure and under the proper tension to set or reset the switch. Once the cable tension is established, the device will open the N.C. positive opening contacts if the cable is tugged or should become slack due to stretching or breaking. The normal stop variants are utilized when a brief, non-emergency signal is necessary at any point along a cable.
Around a machine or conveyor, cable pull switches are typically utilized in place of individual emergency stop push buttons. The price of installing a single emergency stop station is typically more than the price of installing a cable pull switch, which is necessary to fulfill rules and standards. Using a cable pull mechanism gets more alluring and economical as more individual emergency stop push buttons are needed.
A pull switch is most frequently used to turn on an electric ceiling light. Another device frequently controlled by pull switches is the ceiling fan and mechanical wall fans. Pull switches can be multi-position or two-position (open or closed) (allowing for different fan speeds or illumination levels). Two different kinds of two-position toggle switches may be mounted within a pull switch.
In both situations, the switch would be in the outer position, and the string would be in the upper position. Only upon releasing after a full pull will the other type of change to closed (or open). When using the first kind, the weight of the string and handle may accidentally turn the load on and off while it is still close to its starting position. The risk of the switch overheating might arise as a result.
Suppose the lead is constructed of an electrically insulating material, such as cotton thread. In that case, electrical pull switches provide a safety benefit in moist environments since the user is distanced from the voltage substantially.
Most pull switches used in commerce employ a brief length of ball chain, which may subsequently be linked to any number of extra leads for lengthening or aesthetic purposes. Typically, leads for utility or ornament are composed of metal or plastic. They can be made to resemble weights, animals, geometric forms, or even other objects.
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