Names D600 Power Supply ( Vac ) 230 Electric motor ( Vdc ) 24 Maximum Absorbed Power ( W ) 220 Thrust Force ( N ) 600 Type of Use Continuous Maximum Overall Dimensions from Ceiling ( mm ) 35 Courtesy Light ( Vac – W ) 230 – 40 ( max ) Courtesy Light Timing ( Sec ) 120 Carriage Standard off Load Speed ( m/min ) 6.6 Carriage Reduced off Load Speed ( m/min ) 3.8 Carriage Speed at Slow – Down 1.3 Noise at Standard Speed ( dB (A) ) 45 Travel Length at Slow – Down Variable from Set – Up Intrinsic Safety Device Category 2 Sectional Door Maximum Width ( mm ) 5000 Sectional Door Maximum Height ( mm ) See Effective Travel Effective Travel of Sliding Guide ( mm ) 1900 – 2500 – 3100 Protection Class For Internal Use Only ( IP 20 ) Operating Ambient Temperature ( °C ) –20 – H + 55