Mitsubishi FR-BU2-H30K - Page 56

49
SELECTION
<When FR-BR is connected>
• %ED at short-time rating when braking torque is 100%
• Braking torque (%) at short-time rating of 15s
Motor Capacity
5.5
kW
7.5
kW
11
kW
15k
W
18.5
kW
22
kW
30
kW
37
kW
45
kW
55
kW
200V
FR-BU2-15K
%ED
80 40 1 5 1 0 --- --- --- --- --- ---
FR- BU2- 30K --- --- 6 5 30 25 15 10 --- --- ---
FR-BU2-55K --- --- --- --- 90 60 30 20 15 10
400V
FR-BU2-H15K
%ED
80 40 1 5 1 0 --- --- --- --- --- ---
FR- BU2- H30K --- --- 65 30 25 15 10 --- --- ---
FR- BU2- H55K --- --- --- --- 90 60 30 20 15 1 0
Motor Capacity
5.5
kW
7.5
kW
11
kW
15
kW
18.5
kW
22
kW
30
kW
37
kW
45
kW
55
kW
200V
FR-BU2-15K
Bra-
king
torque
(%)
280 200 12 0 100 80 70 --- --- --- ---
FR-BU2-30K --- --- 260 180 160 130 100 80 70 ---
FR-BU2-55K --- --- --- --- 300 250 180 150 120 100
400V
FR-BU2-H15K
Bra-
king
torque
(%)
280 200 12 0 100 80 70 --- --- --- ---
FR-BU2-H30K --- --- 260 180 160 130 100 80 70 ---
FR-BU2-H55K --- --- --- --- 300 250 180 150 120 100
Regeneration duty factor
(operation frequency)%ED
=
tb
× 100 tb < 15s(continuous operation time)
tc
Example 1 Travel operation Example 2 Lift operation
Time t
tc
tb
Speed Speed
Time t
Descending
Ascending
tc
t1
t2
tb=t1+t2+t3+t4
t3 t4
* Do not use with a conventional BU type brake unit.