we can supply customized products according to clients' specail requirement Technical ParametersWorking Voltage: DC24VCurrent (push/pull): 2.0APush/Pull Force: 500-2000NRunning Trip: 100-1500mmRunning Speed: 8mm/sProtecting Grade: IP54Working Temperature: -575Benefits1. Great push force and stable working status, especial applicable for opening of huge-scaled smoke evacuation and heat rejection, ...