12 VCT Transformer 4 Amp, 48 Watt- 120/220 VACInput: 110/220VAC 60HzPrimary Connections 120 VAC:Connect the 2 black wires together and connect the 2 red wires together and apply power to each pair.Primary Connections 220 VAC:Connect the inner black& red wires together and apply power to the outer black & red wiresSecondary Connections: Blue Wires: 12 VAC, Center-tap: YellowRated Current:4 amps output.Chassis mount transformer with 6 wire leads for connections.Dimensions: (L) 2-11/16″ (3-7/8″ with mount flanges) x (W) 2-1/2″ x (H) 2-1/4″OkuraLP-430LP430MPJA27840 TR