UL certified and safe use: UL certified, class 2 transformer
Primary voltage: 120, 208, 240V; Secondary voltage: 24V
Specification: 40VA volt amp rating
Product dimensions: 3.7 x 2 x 2.2 inches, foot mount
Wide compatibility: this transformer is designed for use in industrial, heating and air conditioning controls, including thermostats, air conditioning circuits, relays, and gas valves or other applications that do not exceed the listed ratings