Each 7AM temperature rating has a bimetal disc specifically manufactured for that rating. Each device is then calibrated and checked for opening temperature. This results in optimum snap—acting open and reset characteristics necessary to achieve consistent performance over the required cycle life. The Klixon bimetal disc welded in a steel can provides excellent thermal sensitivity and maximum protection properties. Click here for specifications and approvals. Lighting Protection The 7AM thermal protector is the world leader for protection in lighting applications.
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Recessed lighting fixtures Automotive accessory motors, solenoids, etc It is a miniature, snap-acting, thermally operated device that is a proven performer in protection technology. It is the right choice for ap- plications where available space is at a premium. Thermtrol can provide these units with a variety of leads, terminations and insulating sleeves to meet specific require- ments, including nickel strip leads for NI-CAD battery packs.
The current completes its path by exiting through the plate member and the integral plate crimp terminal to your lead connection. As the temperature rises, the heat is transferred to the bimetal disc. The disc then snaps open at the factory-calibrated opening temperature, thus breaking the current path. The bimetal disc snaps closed when the reset temperature level is achieved.
Bi-metal Options 7AM performance is dependent upon the applied current, as well as temperature. Different Bi-metals are incorporated to achieve various performance characteristics. Use these curves to determine which Bi-Metal may trip in the manner required for your application. Standard lead size is 18AWG. Sleeving In order to achieve optimum heat transfer from the protected medium or ambient to the thermostat, the 7AM has been designed with the case connected to the bimetallic disc.
This feature makes it necessary to electrically insulate the 7AM from the mounting surface. Typically, this is accomplished with a Mylar sleeve marked with the part number. Custom markings and other sleeve materials can also be provided.
klixon 7am thermal protector
Klixon 7am Series 7AM025A5 Thermal Protector Radial Low Resistance 90c