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DBU (AC 380V~AC 460V)

DBU (AC 380V~AC 460V)

Braking Unit

Braking Unit DBU (AC 380V~AC 460V)

Parameters of Braking Unit DBU (AC 380V~AC 460V)
Model-DBU AC380V~AC460V
4030 4045 4220 4300
Input and output specifications Peak current (A) 50 75 300 500
Rated current (A) 15 25 85 120
Wiring mm2 4-6 4-6 16-36 25-50
Braking Activation Voltage (V) DC630/DC660/DC690/DC730/DC760V±16V
Maximum hysteresis About 16V
synchronous signal Parallel operation is available; 2 or 3 units are recommended
Power supply DC Bus Voltage Range DC 460~800V
Protection Radiator overheat Temperature switch: +85℃
Break down output RELAY contact 0.6A125VAC/2A30VDC(Ta,Tb,Tc)
External power R,S terminator Model4220, 4300 need to be connected to 380VAC power supply at R, S terminator. The red "power" LED will be on when connected to power
Working conditions of cooling fan Works when the braking unit, resistant board is up to +45℃
Indication Power on When there is voltage (above 50V) input on the terminators of dc BUS on PCB, the red "power light" will be on
Braking on The green "braking" LED will be on during braking unit conduction
Circumstances Ambient temperature -10℃~+40℃(No frost)
Storing temperature -10℃~+50℃
Humidity 90%RH(No dew)
Vibration 10~20HZ: 1G, 20~50HZ: 0.2G
Mechanical construction Wall mounting type: IP20
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