REXROTH RD 500 Series, Applications Manual

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RD 500 RD51 Inverter Technical Data
5-11
DOK-RD500*RD51*******-IB04-EN-P
5.11 Technical Data SFT Motor inverter for Size Class G with
Pulse frequency f
p
= 4 kHz / 8 kHz
4 kHz 8 kHz
RD51.3 160
Rated motor output
1)
kW 160
126
Supply voltage DC 750 V (-15 % +5 %)
Output frequency
2)
Hz
0 - 150 0 - 250
Rated current A 233 184
Peak current for t = 60 s A 302 240
t = 1 s A 395 313
Rated output S
N
kVA 205 162
Peak power for t = 60 s kVA 267 212
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 0.4
Power loss kW 3.5
Radio int. sup. level / noise immunity A 2 according to EN 55011 / EN 61800-3
Mechanical design
Size classes G
Degree of protection IP 20 according to EN 60529 (without connection terminals)
Weight of inverter for the various cooling types
L Forced air cooling kg 128
D Plug-through cooler kg 105
W Liquid cooling See DOK-RD500*SFT********-PR0x-EN-P
1): Max. permissible motor power based on 4-pin standard induction
motor 500 V
2): If Output frequency >150 Hz the additional function M1 is required
(without integrate Motor filter)