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【UL Certified for Safe Use】This Class 2 transformer is UL Certified, so you can use it safely and confidently to transform voltage for connecting other applications.
【Specifications】Primary voltage: 120, 208, 240V. Secondary voltage: 24V. Power Rating：40VA volt amp. HVAC 24v transformer size: 3.7 x 2 x 2.2 inches.
【Easy to Set Up】Don't worry about wiring troubles, with a clear wiring diagram and foot mount design, you can complete the installation in a short time.
【Wide Application】This hvac transformer is designed for use in industrial, heating and air conditioning controls, including air conditioning circuits, relays, and gas valves or other applications that do not exceed the listed ratings.
【Guaranteed Quality】 We offer 2 Years product maintain. If you have any questions, please contact us as soon as possible, we will deal with it for you in time.

24VAC output class 2 rated energy limiting to power 24VAC control systems, and step down available line voltage. Specification: UL certified Item transformer: class 2 transformer Input voltage: 120VAC, 208VAC, 240VAC Output voltage: 24VAC VA Rating: 40VA Product dimensions 3. 7 x 2 x 2. 2 inches Foot mount Replacement for: Mars 50203 Armstrong TWF424-40 Gemline GT446 Robertshaw 620-206, 620-406, 620-482 Supco SXT105 White-Rodgers GT4031F, 90-T40F3 Grainger 6WU91 Honeywell AT140A1018, AT40A1121, AT40A1139, AT40B1214 Source 1 S1-T2404F Packard PF42440 Note: All the related brands and control transformer's brand names mentioned above is only for demonstrating compatibility.