LiftMaster Transformer (240/480V, 3PH) | LIF-K21-7460 Garage Door Opener Parts Its single State of the

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LiftMaster Transformer (240/480V, 3PH) | LIF-K21-7460 Garage Door Opener Parts Its single State of theLiftMaster Transformer (240 480V, 3PH) LIF K21 7460 This is a replacement Transformer (240 480V, 3PH). For use with various LiftMaster Commercial Door Operator Electrical Boxes. Check the manual or parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.