PATENTED IN-LINE LOAD TRANSFER FOR HIGH LOAD CAPACITY AND DURABILITY, THIS ACTUATOR HAS A RATED LOAD OF 600 LBS., 18” OF STROKE, MEASURES 25-1/4” END-TO-END IN THE FULLY CLOSED POSITION AND 43-1/4” FULLY OPEN. ACTUATORS UTILIZE A REVERSIBLE MOTOR AND REQUIRE A DOUBLE POLE, DOUBLE THROW SWITCH TO OPERATE. WE HIGHLY RECOMMEND THE USE OF OUR PART NUMBER MS302-33 FORWARD/REVERSE RELAY BOX (SOLD SEPARATELY) FOR FASTER, MORE RELIABLE OPERATION, ESPECIALLY IN APPLICATIONS INVOLVING LONG RUNS OF WIRE. THE RELAY BOX ALSO ALLOWS FOR THE USE OF A SINGLE POLE SWITCH. NOTE: PLEASE CHECK MEASUREMENTS THOROUGHLY TO ENSURE PROPER FITMENT. ALL SALES ON ELECTRICAL PARTS ARE FINAL – NO RETURNS, REFUNDS, OR EXCHANGES. MFG PART #K2G10-12VM-BR-18