LM LIMIT SWITCH 23-10041. OMRON – Limit switch – Commercial limit switch for many LM Garage Door Openers. SPDT – Single Pull, Double Pull Switch. Contact arm can be removed or modified. 11A 1/2HP 125 250VAC – 125VDC. D3V-11G31-1C25-K. 11(3)A-250V. Body measures, 1″ Wide X 5/8″ x 3/8″. Mounting Holes are approx. 1″ center to center on opposite corners of the limit switch. This limit switch is designed to be use on branded commercial garage door openers and gates but will adapt to many other brand products using a SPDT switch is used / needed.