Presentation of the Chamberlain Limit Switch (041C0521-1) A new spare part stamped with the Chamberlain brand is available on Allo Remote Control. The Chamberlain limit switch (041C0521-1) usable with old motors (see compatibility section) allows you to contribute to the good efficiency of the end positions of your systems. Please note that the limit switches are crucial parts. These are used in particular to stop a mechanical part when it reaches the end of its travel, that is to say at the limit of their operation. Regarding the use of this spare part, please note that the two magnetic sensors are fixed in the groove located along the aluminum rail of your engine. Then, they can “recognize” the start and end of the stroke as the trolley passes, thanks to the magnet included inside it. In this way, the security of your device and its reliability are maintained. This switch is composed of the following elements: a limit switch with a long cable a limit switch with a short cable Compatibility of the Chamberlain Limit Switch This switch can be used with following engine models (depending on manufacturer): Motorlift ML500 Homentry HE60 engine Homentry HE60AS Homentry HE60PY Homentry PSGTA60 Powerdrive GPD60 Powerdrive GPD65 Chamberlain Limit Switch FAQ Can you tell me more about the Chamberlain brand ? Chamberlain has been in the automation market since the 1960s. Over time, the brand has grown and now has 5,000 employees worldwide. The latter have the objective of constantly responding to the multiple expectations of customers. Born in Elmhurst, Illinois, United States, Chamberlain is a firm where quality, innovative design and meticulous development come together. From its European headquarters in Saarbruecken (Germany), Chamberlain provides high quality, innovative products for individuals and professionals. Where can I find other Chamberlain brand products? Other items from the Chamberlain brand can be found on the Allo Remotecontrol website. You can view them by clicking here. Why buy this product on Allo Remote Control? First, know that your satisfaction is the priority. We will handle your product with great care. Then, your order is shipped the same day Then the 1-year warranty is offered (possible extension up to 2 years – see T&Cs) Finally, telephone assistance (08 99 25 30 57) or by email (assistance @alloremotecontrol.com) is available 5 days a week