សៀវភៅណែនាំអំពីចំណុចប្រទាក់ប៊ូតុងរុញ ៤ ឆានែល velMB VMB4PB
velbus VMB4PB 4-Channel Push Button Interface Read and understand this manual and all safety signs before using this appliance. Keep this manual for future reference. DESCRIPTION 4-channel push button interface USE AND CONFIGURATION Push button interface for connecting up to…