Acme Electric T-1-81049 Transformer, Encapsulated Core And Coil Buck-Boost, 120/240 V, 12/24 V, 3 KVA/13.1 AMP: 252 V Line And 240 V Load Buck Voltage, 1.51 KVA/6.25 AMP: 220 V Line And 242 V Load Boost Voltage, 60 HZ, 1 PH, 12.52 AMP At 12 V, 6.25 AMP At 24 V, 115 DEG C Rise, Wire Lead Screw Terminal Connection, 130 DEG C Class B Insulation, Wall Mounting, NEMA 3R, 3.89 IN Length, 3.67 IN Width, 7.16 IN Height, 0.15 KVA, Steel, Configuration: Primary: Two Winding, Secondary: Two Winding, UL 506, UL File Number E79947V1, UL Control Number 50B8, UL Insulation Number B3223, CSA Certified, OSHA Compliant, ANSI, IEEE, For Low Voltage Lighting Or Control Circuitry