Measure out your throw distance from your hinge point, and order one with built in limit switches. external limit switches can be a headache and create extra wiring. Two companys that I dealt with in my car audio days for actuators were Accelle electronics, and select products. Ditto on the fishman actuators being overpriced.

What are you using for a 12v trigger? Do you have control over how long it stays active? What is the amp output of it? Let me know because you may be able to get away with two bosch relays and your trigger.