Use with standard standoff: 5 3/4" (LM-X5).

Dual tap surface mounted magnetic transformer for use with monorail system. Input: 120V 60Hz / Output: 2 X 12V 300W AC. Designed to be mounted to a standard 4" junction box. Furnished with rear knockouts for easy wiring. Includes circuit breakers and debuzzing coils. This is a magnetic transformer; if dimming is desired, a magnetic low voltage dimmer is required. Diameter (at base) 10 1/2" x 5 3/4" total length.