Tel : 82-32-817-4325 Resistors And Fax : 82-32-817-4329 Resistive Applications DBU Dynamic Braking Unit ■ Features - Used for load with relatively high damping frequency(ED), 20%. - Up to a max of 4 parallel driving control units is possible. - Used for load with high damping frequency. ■ GENERAL SPECIFICATIONS Model IT150DBU-2H IT220DBU-2H IT370DBU-2H IT550DBU-2H IT150DBU-4H IT220DBU-4H IT370DBU-4H IT550DBU-4H IT750DBU-4H Max Input Direct Current Voltage 200V series DC 400V 400V series DC 800V Applicable Inverter Capacity [kW] 11 kW 18.5 kW 37 kW 15 kW 22 kW 30 kW 45 kW 55 kW 11 kW 15 kW 18.5 kW 22 kW 30 kW 37 kW 45 kW 55 kW 75 kW ■ CHARACTERISTICS Surrounding Temp Humidity Altitude Cooling way Surrounding circumstance Max Turn on time Protecting function Output signal Parallel driving Allowed damping frequency Ave damping torque Damping Resistance Min Resistance Capacity[kW] Value[Ω ] 8.5 Ω 3.2 kW 5.7 Ω 4.8 kW 4.2 Ω 6.4 kW 2.8 Ω 9.6 kW 33.9 Ω 3.2 kW 22.8 Ω 4.8 kW 16.9 Ω 6.4 kW 11.4 Ω 9.6 kW 8.4 Ω 12.8 kW ■ DIMENSIONS -10℃ ~ 40℃ Relative humidity of under 90% RH(Should be no dew condensation) Under 1000m above the sea level Natural cooling There should be no corrosive gas inside panel, oil remnant, inflammable gas and dust inside panel. 6sec Protection of heat sink’s overheating, over current and output shortcut HEAT SINK heating, FUSE OPEN, OC trip signal Up to a max of 3 parallel driving units is possible. Without cooling FAN, 10% Website : http://www.raraohm.com Email : [email protected] 100%