WR18AT

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WR18AT rocker switchesare offered in a variety of configurations to fit many different applications. Each switch is designed to actuate or open a power circuit when engaged, and the opposite when released. These switches are available in standard versions with off-momentary, on-off and momentary-off configurations, and also as reversible, choice action, slow action and double pole versions. No matter what version you purchase, all WR18ATrocker switches are designed to operate on low-voltage, low-amperage loads.

WR18AT Applications

The WR18AT rocker switches are typically used in DC circuitry, applications where an exposed operating lever or knob is needed. These versatile switches are common in power supplies, energy management, audio and video systems, home appliances, security systems, robotics and other industrial control circuit applications where an exposed actuator is needed.

Working Principle

Rocker switches are operated by pressing the rocker down on one end to engage the circuit, thereby supplying power to whatever load is connected to the other side of the switch. The connection is then opened or released when the rocker is pressed on the other end. Unlike other types of switches, the WR18AT can be used in either continuous-duty or intermittent-duty applications, meaning it can be actuated multiple times in quick succession without any harm.

Most WR18AT switch designs feature a snap-acting switch mechanism, and are built for reliable operation and long service life. The snap-acting switch mechanism ensures that the contacts open or close instantly on the switching action, thereby preventing arcing and the associated electrical noise.

Installation

The WR18AT rocker switch comes in a variety of configurations and is fairly easy to install. It can be mounted directly onto a panel or housing, or it can be mounted in an individual switch box. If mounting in a switch box, two screws are typically used to secure the switch in place. These switches have no load on their terminals, so they must be connected to an appropriate size ground wire.

Conclusion

The WR18AT rocker switch is a versatile, easy-to-install switch that can be used in many different low-voltage, low-amperage switching applications. These switches feature a snap-acting switch mechanism and are available in several different configurations, allowing them to be used in either continuous-duty or intermittent-duty applications. When installing these switches, they must be securely fastened using two screws and connected to an appropriate ground wire. With proper installation, these rocker switches can provide reliable service for many years.

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