The Schneider Electric B7.70 -Square D Thermal Unit 4.9-5.44 amps is a thermal unit designed for use in commercial and industrial applications. This unit is capable of providing 4.9-5.44 amps of power, and is designed to be used with Schneider Electric's B7.70 -Square D Thermal Controller. This thermal unit is a square design, and is made from a metal frame and die-cast aluminum housing. This thermal unit is capable of operating in a range of temperatures, and is compatible with a variety of Schneider Electric thermal controllers.