Schneider Electric's Harmony range of switches and indicators ensures the highest possible level of reliability, while offering a modern design to enhance the machine's aesthetic appearance. They reflect the modern trend of using aesthetics to enhance the desirability of a particular brand or range of products.
The reinforced waterproof versions comply with IP66, 67, 69 and 69K and extend the operating temperature range from -40 to 70°C. These improvements not only allow them to be installed in harsher environments, but also guarantee a longer service lifetime. Other unique
features which ensure reliability and long life include a special design which eliminates the retightening of screw terminals.
They have a complete range of electrical contacts with a multitude of uses. These include standard blocks with high electrical reliability guarantee, power blocks and gold contact blocks for low level voltages and currents. There is also a wide range of protective accessories for product heads in front face and for the protection of contacts in the electrical cabinet.
The Harmony range also has the tools to optimise preventive maintenance. Each component’s expected lifetime is specified, expressed in lambda, guaranteed number of operations or mean time to failure. These periods are generally much longer than the lifetime of the equipment or machinery but it can be cost-effective to replace even the most proven elements. By comparing the actual conditions of use of the products to their specifications, customers can implement high quality preventative maintenance programmes.
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