EM330D User Manual
A Special Purpose Inverter for Hoisting
99
11 Accessories
11.1
Braking Resistor
EM330D with an integrated braking unit can be connected to braking resistor directly.
Select braking resistor for EM330D as per Table 11-1.
Table 11-1 Braking Resistor Selection
Inverter Model No.
Resistor Resistance
（
Ω
）
Resistor Power
（
kW
）
Cable Size
（
mm
2
）
EM330D-3R0-3X
50
≥0.6
2.5
EM330D-4R0-3X
50
≥0.6
2.5
EM330D-5R5-3X
50
≥0.8
4
EM330D-7R5-3X
40
≥1
4
EM330D-9R0-3X
60
≥6
4
EM330D-011-3X
60
≥6
6
EM330D-015-3X
45
≥8
6
EM330D-018-3X
30
≥12
10
EM330D-022-3X
30
≥12
10
EM330D-030-3X
15
≥24
16
EM330D-037-3X
15
≥24
16
EM330D-045-3X
12
≥30
16
EM330D-055-3X
10
≥36
16
EM330D-075-3X
10
≥36
16
Remarks:
1.
X in the above table refers to B and C.
2.
Cable connected to resistor should withstand voltage≥AC450V with a temperature
resistance of 105
℃
.
11.2
Braking Unit
Separate BR100 braking unit is available for EM330D which is without an integrated
braking unit, power ratings of BR100: 18.5
～
315kW. SINEE-make BR100 model
specifications are as shown in the following table.
Model No.
Application
Minimum
Resistance (Ω)
Average Brake
Current I
av
(A)
Peak
Brake
Current I
max
(A)
Inverter Power
Range (kW)
BR100-045 Dynamic Brake
10
45
75
18.5
～
45
BR100-160 Dynamic Brake
6
75
150
55
～
160
BR100-315 Dynamic Brake
3
120
300
185
～
315
Remarks:
When BR100-160 is in minimum resistance, when brake duty ratio D≤33%, braking unit
can work continuously, and it needs to work non-continuously when brake duty ratio
D>33%. Otherwise, braking unit will trip over-heating.
