Engine Hatch Lift Page: 1 - iboats Boating Forums | 68859 Aug 10, 2005Re: Engine Hatch Lift What you will want is a DPDT (double pole, double throw) switch, either toggle or rocker. It should be a mom off mom, meaning it's only active as long as you are holding it otherwise it springs back to the middle or off position. Hatch Rocker Switch | Carling Contura II - New Wire Marine Genuine Carling Contura II rocker switch labeled “Hatch”. This Hatch rocker switch is a Double Pole Double Throw (ON)-OFF-(ON) switch, where (ON) represents a momentary function. All of New Wire Marine’s rocker switches are labeled with durable UV stabilized ink, and large format text.