I used this actuator on a project based on another actuator from another company (Recoil) which had an 8 inch travel, same 3000N rating had and worked great. I needed a 4" stroke activator and bought this as it was fitted to the project mentioned earlier, it didn't work even with a little manual help, very frustrating, I changed the motor from an 8" recoil drive (I needed 4 inch travel) and it worked perfectly , There was money lying around if you need less power this might work for you
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