LiftMaster Transformer, L4/L5, 575V-40VA | LIF-K21-35077

This is a Transformer Kit (575V-40VA, 24VAC) for use with various LiftMaster^® Logic 4.0 and 5.0 Commercial Door Operators.

Compatible with:

• LIF-H

Also known as:

• 21-35077

Genuine LiftMaster^® replacement part.