The BCL 50-12 is part of the BPOWER AC/DC Series of modular switchgear products. It is an adjustable thermostat control for air cooling system that includes a base unit with a temperature range of 0-50 °C and an adjustable differential of ±12 °C. The control has a 3-pole, heavily protected differential switch and is suitable for use with a wide range of AC/DC applications. Its built-in temperature compensation feature provides good temperature accuracy, and it can be used as a start or stop control for any type of cooling system.