REXROTH RD 500 Series, Applications Manual

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3-2
Converter Technical Data RD 500 RD51
DOK-RD500*RD51*******-IB04-EN-P
4 kHz 8 kHz
RD51.2 003 005 007 015 018 003 005 007 015 018
Performance data of chopper
Continuous power kW 1.5 2.8 3.8 7.5 9 1.5 2.8 3.8 7.5 9
Peak power for t = 1 s kW 10 18 18 37 37 10 18 18 37 37
Minimum resistance value
Ω
60 35 35 17.5 17.5 60 35 35 17.5 17.5
1): Max. permissible motor power based on a 4-pin standard induction
motor
2): Starting at an output voltage Ua >400 V, the rated current is linearly
reduced from 100 % to 83 % for Va = 480 V.
3.2 Technical Data for Size Classes A and B with Pulse
Frequency f
p
= 12 kHz (3AC 380 ... 480 V)
12 kHz
RD51.2 003 005 007 015 018
Supply voltage, 3-phase 380 ... 480 V AC (±10 %)
1)
Output frequency Hz 0 - 1400
Rated current A 4 7 10 18 22
Peak current for t = 60 s A 5.2 9.1 13 23 29
t = 1 s A 6.8 12 17 31 37
t = 0.5 s A 8 14 20 36 44
Rated output S
N
kVA 2.6 4.6 6.6 12 14
Peak power for t = 60 s kVA 3.4 6.0 8.6 16 18
Ambient conditions, noise suppression level, interference immunity
Environmental class 3K3 according to DIN IEC 721-3-3 (ambient temperature 0 – 40 °C operation,
to 50 °C power reduction at 2.5 % per K)
Cooling air requirement m³ / s 0.03 0.03 0.03 0.05 0.05
Power loss kW 0,17 0,26 0,32 0,51 0,63
Radio int. sup. level / noise immunity A 1 according to EN 55011 / EN 61800-3
Mechanical design
Size classes A A A B B
Degree of protection IP 20 according to EN 60529, with connected plug
Weight of converter for the various cooling types
D plug through cooler kg 5.5 5.5 5.5 10.3 10.3
L Forced air cooling kg 6.5 6.5 6.5 11.3 11.3
P heat dissipation panel kg 5.0 5.0 5.0 9.8 9.8
Performance data of chopper
Continuous power kW 1.5 2.8 3.8 7.5 9
Peak power for t = 1 s kW 10 18 18 37 37
Minimum resistance value
Ω
60 35 35 17.5 17.5
1): Starting at an output voltage Ua >400 V, the rated current is linearly
reduced from 100 % to 83 % for Va = 480 V.